6 Best Alternatives to the LG 27-Inch UltraGear 300Hz Gaming (2026)
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You are looking for lg 27g640a b 27 inch ultragear qhd alternatives because the LG 27G640A-B offers a 300Hz refresh rate and 1ms response time for competitive esports. Its QHD IPS panel delivers vibrant colors and supports both NVIDIA G-SYNC and AMD FreeSync Premium. This combination ensures smooth, tear-free gameplay with precise color accuracy for fast-paced titles. You might seek other options if you prefer a different refresh rate, a curved screen, or a lower price point. Some buyers also want a monitor with a different form factor or additional connectivity options that the original does not provide. These alternatives were chosen because their specifications overlap with the original model, ensuring they meet similar performance standards. Each option on this list of 6 monitors shares key traits like QHD resolution and IPS technology. You can compare their specific refresh rates, response times, and sync technologies to find the best fit for your setup. This guide helps you navigate the choices without relying on subjective opinions or unverified claims. Focus on the hard data to make an informed decision that matches your gaming needs and desk space.
Our top pick: LG 27-Inch UltraGear 300Hz Gaming Monitor.
How alternatives differ from LG 27G640A-B
LG 27-Inch QHD 144Hz IPS Monitor
The LG 27GL83A-B reduces the refresh rate from 300Hz to 144Hz. It keeps the 27-inch QHD IPS panel and G-SYNC compatibility. This model drops the 1ms response time claim found in the original. It offers certified sync stability instead of maximum speed. You should pick this if you prioritize color accuracy and frame sync over the highest possible frame rates. It lacks USB-C connectivity, relying on DisplayPort and HDMI. The physical footprint is larger, weighing 20.3 pounds compared to the original. It suits players who value visual fidelity and certified compatibility over competitive esports speed. The trade-off is lower refresh rate for potentially more stable color performance.
LG UltraGear 27-Inch 180Hz QHD Monitor
The LG 27GS75Q-B offers an 180Hz refresh rate, which is lower than the 300Hz original. It maintains the 27-inch QHD IPS panel and G-SYNC compatibility. This monitor provides balanced performance for casual and mid-level gamers. It lacks the ultra-high speed of the original model. You get standard esports speeds instead of maximum frame rates. The connectivity includes DisplayPort and HDMI, without USB-C. It is a practical option if you prioritize versatility and color accuracy over top-tier speed. The weight is 13.2 pounds. This choice fits users who want solid QHD performance without paying for the highest refresh rate. It gives up speed for a more balanced, cost-effective profile.
LG 27-Inch UltraGear 144Hz QHD IPS Monitor
The LG 27GN800-B drops the refresh rate to 144Hz. It keeps the 27-inch QHD IPS panel and G-SYNC compatibility. This model emphasizes color fidelity over maximum speed. It lacks the 300Hz capability of the original. You should pick this if you value visual quality and color accuracy for gaming. The connectivity uses DisplayPort and HDMI, without USB-C. The dimensions are different, with a depth of 2.1 inches. It weighs 13.2 pounds. This monitor is ideal for gamers who prioritize color accuracy at 144Hz. It gives up competitive speed for better color performance. It suits those who do not need the highest refresh rates for their gameplay.
LG 27-Inch 240Hz QHD Gaming Monitor
The LG 27GR83Q-B offers 240Hz, which is lower than the 300Hz original. It keeps the 27-inch QHD IPS panel and G-SYNC compatibility. This monitor delivers competitive frame rates with wide color coverage. It lacks the absolute highest refresh rate. You get high-speed performance suitable for serious gamers. The connectivity includes DisplayPort and HDMI, without USB-C. It weighs 13.7 pounds. This choice fits users who prioritize speed and visual fidelity over premium HDR. It gives up 60Hz for a slightly lower but still very high refresh rate. It is a strong option for those who want near-top-tier speed with good color accuracy.
CUNPU 27-Inch 240Hz QHD Fast IPS Monitor
The CUNPU S270ES offers 240Hz, lower than the 300Hz original. It uses a 27-inch QHD Fast IPS panel. It supports G-SYNC and FreeSync. This monitor prioritizes color accuracy and ergonomic flexibility. It lacks the highest refresh rate. You get solid QHD performance with good color fidelity. The connectivity includes DisplayPort and HDMI, without USB-C. The weight is not listed, but dimensions are provided. This choice fits gamers who value color accuracy and ergonomics over maximum speed. It gives up 60Hz for a competitive refresh rate. It is a practical option for those who want a balance of speed and visual quality without the top-tier frame rate.
Reletech 27in 300Hz QHD Monitor
The Reletech G27X Ultra matches the 300Hz refresh rate of the original. It uses a 27-inch QHD IPS panel. It supports G-SYNC and FreeSync. This monitor offers curved screen options and broad sync technology. It lacks USB-C connectivity, using DisplayPort and HDMI. It weighs 8.42 pounds, which is lighter than the original. This choice fits competitive gamers who value speed and color accuracy. It gives up the flat panel design for a curved option. It is a strong alternative for those needing high refresh rates without extra peripherals. It matches the original speed but offers different ergonomic features and connectivity options.
Quick picks
Our 7 picks
LG 27-Inch UltraGear 300Hz Gaming Monitor
Best for: competitive esports gaming
- Screen Size
- 27"
- Resolution
- 2560 x 1440
- Refresh Rate
- 300Hz
- Panel Type
- IPS
- Response Time
- 1ms GtG
- Sync Technology
- G-SYNC Compatible, FreeSync Premium
View on Amazon: LG 27-Inch UltraGear 300Hz Gaming Monitor Affiliate link
This LG monitor delivers 300Hz refresh rates on a 27-inch QHD IPS panel. You get 1ms response time and VESA DisplayHDR 400 support. Connectivity includes dual HDMI 2.1 ports and USB-C with 15W power delivery. It suits competitive gamers who need high frame rates and wide viewing angles for precise aiming.
Pros
- 300Hz refresh rate for smooth motion
- 1ms GtG response time reduces ghosting
- Dual HDMI 2.1 and DisplayPort 1.4
- 95% DCI-P3 color gamut coverage
Cons
- VESA DisplayHDR 400 is entry-level brightness
- USB-C port provides only 15W power
- No mention of built-in speakers
Good fit if
- You play fast-paced competitive shooters
- You use NVIDIA or AMD GPUs
- You want wide viewing angles
Skip if
- You need HDR1000 brightness levels
- You require USB-C charging over 15W
- You prefer a 4K resolution display
Verdict: LG 27G640A-B 27-inch 300Hz Monitor offers top-tier speed for esports players who prioritize frame rates and color accuracy over premium HDR performance.
LG 27-Inch QHD 144Hz IPS Monitor
Best for: G-SYNC users wanting accurate colors
- Screen Size
- 27-Inch
- Resolution
- 2560 x 1440
- Refresh Rate
- 144Hz
- Panel Type
- IPS
- Response Time
- 1ms (GtG)
- Sync Technology
- NVIDIA G-SYNC, FreeSync Premium
View on Amazon: LG 27-Inch QHD 144Hz IPS Monitor Affiliate link
This LG monitor delivers a 27-inch QHD IPS panel with a 144Hz refresh rate and 1ms GtG response time. It supports both NVIDIA G-SYNC and AMD FreeSync Premium for tear-free gameplay. The display covers 99% of the sRGB color gamut for accurate visuals. Its stand allows tilt, height, and pivot adjustments. You get certified sync compatibility and borderless design for a clean setup.
Pros
- NVIDIA G-SYNC Compatible and AMD FreeSync Premium certified
- 1ms (GtG) response time on IPS panel
- 99% sRGB color coverage for vivid scenes
- Height, tilt, and pivot adjustable stand
Cons
- 144Hz refresh rate is lower than 180Hz or 300Hz alternatives
- No mention of USB hub or audio outputs
- 144Hz may feel less fluid than higher refresh options
Good fit if
- You want certified G-SYNC compatibility
- You need accurate colors with 99% sRGB
- You prefer a 1ms IPS response time
Skip if
- You require 180Hz or higher refresh rates
- You need USB connectivity features
- You prioritize maximum smoothness over color accuracy
Verdict: LG 27GL83A-B 27-Inch 144Hz QHD IPS fits players who prioritize certified sync stability and color accuracy over maximum refresh rates.
LG UltraGear 27-Inch 180Hz QHD Monitor
Best for: gamers seeking balanced QHD performance and color accuracy
- Screen Size
- 27"
- Resolution
- 2560x1440
- Refresh Rate
- 180Hz (O/C 200Hz)
- Panel Type
- IPS
- Response Time
- 1ms GtG
- Sync Technology
- NVIDIA G-SYNC Compatible, AMD FreeSync
View on Amazon: LG UltraGear 27-Inch 180Hz QHD Monitor Affiliate link
This LG monitor offers a 27-inch QHD IPS panel with an 180Hz refresh rate, overclockable to 200Hz. It features a 1ms GtG response time and supports both NVIDIA G-SYNC Compatible and AMD FreeSync. The display covers 99% of the sRGB color gamut and includes ergonomic adjustments for height, tilt, and pivot. It is designed for gamers who need smooth visuals and color accuracy without the premium price of higher refresh rate models.
Pros
- 180Hz refresh rate, overclockable to 200Hz
- 1ms GtG response time for fast action
- NVIDIA G-SYNC Compatible and AMD FreeSync support
- 99% sRGB color gamut for accurate colors
- Height, tilt, and pivot adjustable stand
Cons
- Lower refresh rate than the 240Hz and 300Hz alternatives on this list
- Only two HDMI ports available for connectivity
- No mention of USB-C connectivity in the specifications
Good fit if
- You want a balance of speed and color accuracy
- You prefer a monitor that adjusts to your desk height
- You are on a budget but still want QHD resolution
Skip if
- You need the absolute highest refresh rate available for competitive play
- You require USB-C connectivity for single-cable docking
- You are looking for a monitor with a built-in USB hub
Verdict: LG 27GS75Q-B 27-inch 180Hz QHD Monitor provides solid QHD performance and color accuracy for casual and mid-level gamers. It is a practical option if you prioritize versatility and standard esports speeds over maximum frame rates.
LG 27-Inch UltraGear 144Hz QHD IPS Monitor
Best for: color-accurate gaming at 144Hz
- Screen Size
- 27 inch
- Resolution
- 2560x1440
- Refresh Rate
- 144Hz
- Panel Type
- IPS
- Response Time
- 1-millisecond (GtG)
- Sync Technology
- NVIDIA G-SYNC, AMD FreeSync Premium
View on Amazon: LG 27-Inch UltraGear 144Hz QHD IPS Monitor Affiliate link
The LG 27GN800-B is a 27-inch QHD IPS monitor designed for gaming. It features a 144Hz refresh rate and a 1ms GtG response time. The panel covers 99% of the sRGB color gamut and offers wide viewing angles. It supports both NVIDIA G-SYNC and AMD FreeSync Premium for tear-free play. This model suits players who prioritize color accuracy and smooth motion over ultra-high frame rates.
Pros
- 144Hz refresh rate with 1ms GtG response time
- IPS panel with 99% sRGB color coverage
- Supports NVIDIA G-SYNC and AMD FreeSync Premium
- Dynamic Action Sync reduces input lag
Cons
- 144Hz refresh rate is lower than 240Hz or 300Hz alternatives
- No USB hub or headphone jack listed in specifications
- Heavier at 13.2 pounds compared to lighter competitors
Good fit if
- You want accurate colors for both gaming and media
- You need reliable VRR support for mixed PC setups
- You prefer a standard IPS panel for wide viewing angles
Skip if
- You require refresh rates above 165Hz for competitive play
- You need a monitor with built-in USB connectivity
- You prioritize the lightest possible stand design
Verdict: LG 27GN800-B 27-inch QHD IPS Gaming Monitor delivers solid 144Hz performance with excellent color fidelity, making it ideal for gamers who value visual quality over maximum frame rates.
LG 27-Inch 240Hz QHD Gaming Monitor
Best for: High-refresh-rate 1440p gaming
- Screen Size
- 27"
- Resolution
- 2560x1440
- Refresh Rate
- 240Hz
- Panel Type
- IPS
- Response Time
- 1ms GTG
- Sync Technology
- NVIDIA G-SYNC, AMD FreeSync Premium
View on Amazon: LG 27-Inch 240Hz QHD Gaming Monitor Affiliate link
The LG 27GR83Q-B is a 27-inch IPS gaming monitor with QHD resolution. It supports up to 240Hz refresh rates via HDMI 2.1 or DisplayPort 1.4. The panel offers 1ms response time and covers 95% of the DCI-P3 color gamut. It includes VESA DisplayHDR 400 certification. This model suits players seeking high-speed performance and accurate color reproduction in a compact form factor.
Pros
- 240Hz refresh rate on QHD resolution
- 1ms gray-to-gray response time
- 95% DCI-P3 color gamut coverage
- HDMI 2.1 and DisplayPort 1.4 connectivity
- NVIDIA G-SYNC Compatible and AMD FreeSync Premium
Cons
- VESA DisplayHDR 400 is entry-level HDR
- No mention of USB-C connectivity
- No mention of built-in speakers
Good fit if
- You want high refresh rates at 1440p
- You use both NVIDIA and AMD graphics cards
- You need HDMI 2.1 for next-gen consoles
Skip if
- You require true HDR brightness levels
- You need USB-C connectivity for docking
- You prefer a smaller 24-inch form factor
Verdict: LG 27GR83Q-B 27-inch 240Hz QHD Monitor delivers competitive frame rates and wide color coverage for serious gamers who prioritize speed and visual fidelity over premium HDR performance.
CUNPU 27-Inch 240Hz QHD Fast IPS Monitor
Best for: QHD gamers valuing color accuracy and ergonomics
- Screen Size
- 27 Inch
- Refresh Rate
- 240Hz
- Panel Type
- Fast IPS
- Response Time
- 1ms GTG
- Sync Technology
- FreeSync & G-Sync
- Connectivity
- 1x DisplayPort 1.4, 2x HDMI 2.0
View on Amazon: CUNPU 27-Inch 240Hz QHD Fast IPS Monitor Affiliate link
The CUNPU 27-inch monitor delivers QHD resolution on a Fast IPS panel with a 240Hz refresh rate and 1ms GTG response time. It supports both FreeSync and G-Sync for tear-free gameplay. The display covers 125% sRGB and 100% DCI-P3 color gamuts. You get ergonomic adjustments including height, tilt, swivel, and pivot. Built-in stereo speakers add convenience for casual use.
Pros
- 240Hz refresh rate on 27-inch QHD panel
- Fast IPS technology with 1ms GTG response
- Full ergonomic stand with height and pivot
- 100% DCI-P3 and 125% sRGB coverage
- Dual FreeSync and G-Sync compatibility
Cons
- 240Hz refresh rate is lower than the 300Hz Reletech alternative
- Built-in speakers are only 2W each
- HDMI ports are limited to version 2.0
Good fit if
- You want a Fast IPS panel with high color accuracy
- You need full ergonomic adjustments including pivot
- You play competitive games at QHD resolution
Skip if
- You require a 300Hz refresh rate
- You prefer HDMI 2.1 connectivity
- You need built-in speakers louder than 2W
Verdict: CUNPU 27-Inch QHD 240Hz Fast IPS is a solid choice for QHD gamers who prioritize color accuracy and ergonomic flexibility over the highest possible refresh rate.
Reletech 27in 300Hz QHD Monitor
Best for: competitive gamers needing high refresh rates
- Screen Size
- 27"
- Resolution
- 2560x1440
- Refresh Rate
- 300Hz
- Panel Type
- Fast IPS
- Response Time
- 1ms
- Sync Technology
- AMD FreeSync, G-Sync
View on Amazon: Reletech 27in 300Hz QHD Monitor Affiliate link
The Reletech G27X Ultra is a 27-inch Fast IPS gaming monitor with a 2560x1440 resolution. It features a 300Hz refresh rate and 1ms response time for smooth visuals. The panel covers 100% sRGB and includes AMD FreeSync and G-Sync support. It offers eye-friendly low blue light filters and VESA mount compatibility for flexible setup.
Pros
- 300Hz refresh rate for high-speed gaming
- 1ms response time on Fast IPS panel
- 100% sRGB color gamut coverage
- Supports both AMD FreeSync and G-Sync
Cons
- Curved panel design may not suit all desk setups
- Only includes HDMI 2.0, limiting higher bandwidth options
- No mention of USB hub or built-in speakers
Good fit if
- You want a high refresh rate for competitive play
- You prefer a curved display for immersion
- You need both FreeSync and G-Sync compatibility
Skip if
- You require a flat panel for precise alignment
- You need DisplayPort 2.0 for maximum bandwidth
- You want built-in audio or USB connectivity
Verdict: Reletech 27-inch 300Hz QHD Monitor is a strong option for competitive gamers who value speed and color accuracy. It fits those who want a curved screen and broad sync technology support without needing extra peripherals.
Specifications side by side
| Spec | LG 27-Inch UltraGear 300Hz Gaming Monitor | LG 27-Inch QHD 144Hz IPS Monitor | LG UltraGear 27-Inch 180Hz QHD Monitor | LG 27-Inch UltraGear 144Hz QHD IPS Monitor | LG 27-Inch 240Hz QHD Gaming Monitor | CUNPU 27-Inch 240Hz QHD Fast IPS Monitor | Reletech 27in 300Hz QHD Monitor |
|---|---|---|---|---|---|---|---|
| Screen Size | 27" | 27-Inch | 27" | 27 inch | 27" | 27 Inch | 27" |
| Resolution | 2560 x 1440 | 2560 x 1440 | 2560x1440 | 2560x1440 | 2560x1440 | not stated | 2560x1440 |
| Refresh Rate | 300Hz | 144Hz | 180Hz (O/C 200Hz) | 144Hz | 240Hz | 240Hz | 300Hz |
| Panel Type | IPS | IPS | IPS | IPS | IPS | Fast IPS | Fast IPS |
| Response Time | 1ms GtG | 1ms (GtG) | 1ms GtG | 1-millisecond (GtG) | 1ms GTG | 1ms GTG | 1ms |
| Sync Technology | G-SYNC Compatible, FreeSync Premium | NVIDIA G-SYNC, FreeSync Premium | NVIDIA G-SYNC Compatible, AMD FreeSync | NVIDIA G-SYNC, AMD FreeSync Premium | NVIDIA G-SYNC, AMD FreeSync Premium | FreeSync & G-Sync | AMD FreeSync, G-Sync |
| Connectivity | USB-C, dual HDMI 2.1, DisplayPort 1.4 | HDMI, DisplayPort | HDMI, DisplayPort | HDMI, DisplayPort | HDMI 2.1, DisplayPort 1.4 | 1x DisplayPort 1.4, 2x HDMI 2.0 | HDMI 2.0, DisplayPort 1.4 |
| Size | 27G640A-B | 27 Inch | 27 Inch | 14.4"x24.2"x2.1" | 240Hz-HDMI/DP | 27 Inch | 27inch |
| Dimensions | 9.4 × 24.2 × 21.2 inches | 8.2 × 29.2 × 20.6 inches | 10 × 24.2 × 22.7 inches | 24.2 × 8.9 × 17.9 inches | 10 × 24.2 × 22.7 inches | 7.5 × 24 × 21 inches | 6.3 × 23.5 × 13.2 inches |
| Weight | 12.1 pounds | 20.3 pounds | 13.2 pounds | 13.2 pounds | 13.7 pounds | not stated | 8.42 pounds |
| Color | Black | Black | Black | Black | Black | Black | Black |
| Model | 27G640A-B.AUSQ | 27GL83A-B | 27GS75Q-B.AUS | 27GN800-B | 27GR83Q-B.AUS | S270ES | G27X Ultra |
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Frequently asked questions
Which LG monitor has the highest refresh rate?
The LG 27G640A-B offers the highest speed at 300Hz. It is designed for competitive esports where frame rates matter most. The Reletech G27X Ultra also reaches 300Hz for those who prefer a curved display. Both models use QHD resolution and Fast IPS panels to maintain clarity at high speeds.
Does the LG 27GL83A-B support G-SYNC?
Yes, the LG 27GL83A-B supports both FreeSync and G-SYNC. This certified compatibility ensures stable sync performance without screen tearing. It is a strong option for NVIDIA users who prioritize color accuracy and sync stability over the maximum 300Hz refresh rate found in newer models.
What is the best budget QHD alternative to the LG 27G640A-B?
The LG 27GS75Q-B is the best budget choice. It provides 180Hz refresh rate and QHD resolution on an IPS panel. This model offers solid performance for casual and mid-level gamers. It balances standard esports speeds with versatile connectivity options, making it a practical upgrade from lower-tier displays.
Which monitor is best for color accuracy?
The LG 27GN800-B is ideal for color-accurate gaming. It delivers excellent color fidelity at 144Hz refresh rate. The CUNPU S270ES is another strong option, combining QHD resolution with ergonomic flexibility and accurate colors. These models prioritize visual quality and wide color coverage for users who value image integrity.
Can I use FreeSync with these monitors?
All listed monitors support FreeSync technology. The LG 27G640A-B, 27GL83A-B, 27GS75Q-B, 27GN800-B, 27GR83Q-B, CUNPU S270ES, and Reletech G27X Ultra all include FreeSync compatibility. This allows smooth variable refresh rates for AMD graphics cards, reducing stuttering and tearing during gameplay across all these models.
Do any alternatives offer a curved screen?
The Reletech G27X Ultra features a curved screen design. It provides 300Hz refresh rate and QHD resolution for immersive gaming. Most other alternatives, including all LG models and the CUNPU, use flat IPS panels. The curved option is unique to the Reletech among these high-speed QHD choices.
Which monitor weighs the least?
The Reletech G27X Ultra is the lightest at 8.42 pounds. The LG 27G640A-B weighs 12.1 pounds. Heavier options include the LG 27GL83A-B at 20.3 pounds and the LG 27GR83Q-B at 13.7 pounds. Weight varies based on stand design and build materials, with the Reletech being notably lighter.