GeForce 840A vs Radeon HD 6740G2
In this comparison between GeForce 840A and Radeon HD 6740G2 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce 840A will be the best choice, for others Radeon HD 6740G2 will be their preference. Study the comparison tables below and make your choice.
GeForce 840A
Radeon HD 6740G2 is a Laptop Graphics Card
Note: Radeon HD 6740G2 is only used in laptop graphics. It has lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with Radeon HD 6740G2 here:
Main Specs
| GeForce 840A | Radeon HD 6740G2 | |
| Power consumption (TDP) | 33 Watt | |
| Interface | PCIe 3.0 x8 | |
| Memory type | DDR3 | |
| Maximum RAM amount | 2 GB | |
| Display Connectors | No outputs | |
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- GeForce 840A is used in Desktops, and Radeon HD 6740G2 - in Laptops.
- GeForce 840A is build with Maxwell architecture, and Radeon HD 6740G2 - with Terascale 2.
- GeForce 840A is manufactured by 28 nm process technology, and Radeon HD 6740G2 - by 40 nm process technology.
Game benchmarks
| high / 1080p | 3−4 | 0−1 |
| ultra / 1080p | 2−3 | 0−1 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 14−16 | 10−12 |
| medium / 1080p | 5−6 | 2−3 |
| The average gaming FPS of GeForce 840A in Assassin's Creed Odyssey is 66% more, than Radeon HD 6740G2. | ||
| ultra / 1080p | 7−8 | 3−4 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 18−20 | 12−14 |
| medium / 1080p | 8−9 | 4−5 |
| The average gaming FPS of GeForce 840A in Battlefield 5 is 57% more, than Radeon HD 6740G2. | ||
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 30−35 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon HD 6740G2 in Call of Duty: Warzone is 25% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 110−120 |
| medium / 768p | 90−95 | 85−90 |
| ultra / 1080p | 40−45 | 35−40 |
| QHD / 1440p | 24−27 | − |
| 4K / 2160p | 18−20 | 10−11 |
| high / 768p | 65−70 | 60−65 |
| The average gaming FPS of GeForce 840A in Counter-Strike: Global Offensive is 11% more, than Radeon HD 6740G2. | ||
| low / 768p | 80−85 | 70−75 |
| ultra / 1080p | 14−16 | 12−14 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 4% more, than Radeon HD 6740G2. | ||
| low / 768p | 75−80 | 70−75 |
| medium / 768p | 50−55 | 40−45 |
| ultra / 1080p | 27−30 | 18−20 |
| The average gaming FPS of GeForce 840A in Dota 2 is 18% more, than Radeon HD 6740G2. | ||
| high / 1080p | 5−6 | 2−3 |
| ultra / 1080p | − | 2−3 |
| 4K / 2160p | 2−3 | 0−1 |
| low / 720p | 14−16 | 9−10 |
| medium / 1080p | 6−7 | 3−4 |
| The average gaming FPS of GeForce 840A in Far Cry 5 is 80% more, than Radeon HD 6740G2. | ||
| high / 1080p | 12−14 | − |
| ultra / 1080p | 7−8 | 5−6 |
| QHD / 1440p | − | 1−2 |
| low / 720p | 50−55 | 45−50 |
| medium / 1080p | 14−16 | 7−8 |
| The average gaming FPS of GeForce 840A in Fortnite is 25% more, than Radeon HD 6740G2. | ||
| high / 1080p | 7−8 | 2−3 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 20−22 | 14−16 |
| medium / 1080p | 9−10 | 5−6 |
| The average gaming FPS of GeForce 840A in Forza Horizon 4 is 71% more, than Radeon HD 6740G2. | ||
| low / 768p | 45−50 | 40−45 |
| high / 1080p | 8−9 | 3−4 |
| ultra / 1080p | 5−6 | 2−3 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 40−45 | 35−40 |
| The average gaming FPS of GeForce 840A in Grand Theft Auto V is 23% more, than Radeon HD 6740G2. | ||
| high / 1080p | 3−4 | 1−2 |
| ultra / 1080p | 1−2 | 0−1 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 8−9 | 2−3 |
| medium / 1080p | 4−5 | 2−3 |
| The average gaming FPS of GeForce 840A in Metro Exodus is 150% more, than Radeon HD 6740G2. | ||
| low / 768p | 85−90 | 85−90 |
| high / 1080p | 85−90 | 55−60 |
| ultra / 1080p | 80−85 | − |
| medium / 1080p | 85−90 | − |
| The average gaming FPS of GeForce 840A in Minecraft is 20% more, than Radeon HD 6740G2. | ||
| high / 1080p | − | 14−16 |
| ultra / 1080p | 12−14 | 12−14 |
| low / 720p | 27−30 | 24−27 |
| medium / 1080p | 14−16 | 14−16 |
| The average gaming FPS of GeForce 840A in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than Radeon HD 6740G2. | ||
| ultra / 1080p | 7−8 | 3−4 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 4−5 |
| The average gaming FPS of GeForce 840A in Red Dead Redemption 2 is 100% more, than Radeon HD 6740G2. | ||
| low / 768p | 16−18 | 7−8 |
| medium / 768p | 12−14 | 6−7 |
| high / 1080p | 6−7 | 3−4 |
| ultra / 1080p | 5−6 | − |
| 4K / 2160p | − | 0−1 |
| The average gaming FPS of GeForce 840A in The Witcher 3: Wild Hunt is 140% more, than Radeon HD 6740G2. | ||
| low / 768p | 70−75 | 70−75 |
| medium / 768p | 35−40 | 35−40 |
| ultra / 1080p | 16−18 | 12−14 |
| high / 768p | 30−35 | 30−33 |
| The average gaming FPS of GeForce 840A in World of Tanks is 2% more, than Radeon HD 6740G2. | ||
Full Specs
| GeForce 840A | Radeon HD 6740G2 | |
| Architecture | Maxwell | Terascale 2 |
| Code name | GM108 | |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 14 June 2011 |
| Pipelines | 384 | 880 |
| Core clock speed | 1029 MHz | |
| Boost Clock | 1124 MHz | |
| Manufacturing process technology | 28 nm | 40 nm |
| Texture fill rate | 17.98 | |
| Floating-point performance | 863.2 gflops | |
| Memory bus width | 64 Bit | |
| Memory clock speed | 2002 MHz | |
| Memory bandwidth | 16.02 GB/s | |
| Shared memory | - | |
| DirectX | 12 (11_0) | DirectX 11, Shader 5.0 |
| Shader Model | 5.1 | |
| OpenGL | 4.6 | |
| OpenCL | 1.2 | |
| Vulkan | 1.1.126 | |
| CUDA | 5.0 | |
| Laptop size | medium sized | |
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