GeForce 840A vs Radeon HD 6850M
When choosing between GeForce 840A and Radeon HD 6850M, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between GeForce 840A and Radeon HD 6850M.
GeForce 840A
Radeon HD 6850M is a Laptop Graphics Card
Note: Radeon HD 6850M 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 6850M here:
Main Specs
| GeForce 840A | Radeon HD 6850M | |
| Power consumption (TDP) | 33 Watt | 50 Watt |
| Interface | PCIe 3.0 x8 | PCIe 2.0 x16 |
| Memory type | DDR3 | DDR3, GDDR5 |
| Maximum RAM amount | 2 GB | 1 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- Radeon HD 6850M has 51% more power consumption, than GeForce 840A.
- GeForce 840A is connected by PCIe 3.0 x8, and Radeon HD 6850M uses PCIe 2.0 x16 interface.
- GeForce 840A has 1 GB more memory, than Radeon HD 6850M.
- GeForce 840A is used in Desktops, and Radeon HD 6850M - in Laptops.
- GeForce 840A is build with Maxwell architecture, and Radeon HD 6850M - with Terascale 2.
- Core clock speed of GeForce 840A is 454 MHz higher, than Radeon HD 6850M.
- GeForce 840A is manufactured by 28 nm process technology, and Radeon HD 6850M - by 40 nm process technology.
- Memory clock speed of GeForce 840A is 1202 MHz higher, than Radeon HD 6850M.
Game benchmarks
| high / 1080p | 3−4 | 2−3 |
| ultra / 1080p | 2−3 | 0−1 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 14−16 | 12−14 |
| medium / 1080p | 5−6 | 3−4 |
| The average gaming FPS of GeForce 840A in Assassin's Creed Odyssey is 33% more, than Radeon HD 6850M. | ||
| ultra / 1080p | 7−8 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 18−20 | 14−16 |
| medium / 1080p | 8−9 | 6−7 |
| The average gaming FPS of GeForce 840A in Battlefield 5 is 37% more, than Radeon HD 6850M. | ||
| 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 6850M in Call of Duty: Warzone is 25% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 120−130 |
| medium / 768p | 90−95 | 95−100 |
| ultra / 1080p | 40−45 | 40−45 |
| QHD / 1440p | 24−27 | − |
| 4K / 2160p | 18−20 | 10−11 |
| high / 768p | 65−70 | 65−70 |
| The average gaming FPS of GeForce 840A in Counter-Strike: Global Offensive is 1% more, than Radeon HD 6850M. | ||
| low / 768p | 80−85 | 70−75 |
| ultra / 1080p | 14−16 | 16−18 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 2% more, than Radeon HD 6850M. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 50−55 | 45−50 |
| ultra / 1080p | 27−30 | 21−24 |
| The average gaming FPS of GeForce 840A in Dota 2 is 6% more, than Radeon HD 6850M. | ||
| high / 1080p | 5−6 | 3−4 |
| ultra / 1080p | − | 3−4 |
| 4K / 2160p | 2−3 | 1−2 |
| low / 720p | 14−16 | 12−14 |
| medium / 1080p | 6−7 | 4−5 |
| The average gaming FPS of GeForce 840A in Far Cry 5 is 40% more, than Radeon HD 6850M. | ||
| high / 1080p | 12−14 | 10−12 |
| ultra / 1080p | 7−8 | 6−7 |
| QHD / 1440p | − | 2−3 |
| low / 720p | 50−55 | 50−55 |
| medium / 1080p | 14−16 | 10−12 |
| The average gaming FPS of GeForce 840A in Fortnite is 10% more, than Radeon HD 6850M. | ||
| high / 1080p | 7−8 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 20−22 | 18−20 |
| medium / 1080p | 9−10 | 7−8 |
| The average gaming FPS of GeForce 840A in Forza Horizon 4 is 20% more, than Radeon HD 6850M. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 8−9 | 5−6 |
| ultra / 1080p | 5−6 | 3−4 |
| 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 13% more, than Radeon HD 6850M. | ||
| high / 1080p | 3−4 | 1−2 |
| ultra / 1080p | 1−2 | 0−1 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 8−9 | 5−6 |
| medium / 1080p | 4−5 | 3−4 |
| The average gaming FPS of GeForce 840A in Metro Exodus is 66% more, than Radeon HD 6850M. | ||
| low / 768p | 85−90 | 90−95 |
| high / 1080p | 85−90 | 60−65 |
| ultra / 1080p | 80−85 | − |
| medium / 1080p | 85−90 | − |
| The average gaming FPS of GeForce 840A in Minecraft is 12% more, than Radeon HD 6850M. | ||
| high / 1080p | − | 14−16 |
| ultra / 1080p | 12−14 | 12−14 |
| low / 720p | 27−30 | 27−30 |
| medium / 1080p | 14−16 | 14−16 |
| GeForce 840A and Radeon HD 6850M have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS. | ||
| ultra / 1080p | 7−8 | 3−4 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 6−7 |
| The average gaming FPS of GeForce 840A in Red Dead Redemption 2 is 60% more, than Radeon HD 6850M. | ||
| low / 768p | 16−18 | 10−12 |
| medium / 768p | 12−14 | 8−9 |
| high / 1080p | 6−7 | 4−5 |
| ultra / 1080p | 5−6 | 3−4 |
| 4K / 2160p | − | 0−1 |
| The average gaming FPS of GeForce 840A in The Witcher 3: Wild Hunt is 66% more, than Radeon HD 6850M. | ||
| low / 768p | 70−75 | 75−80 |
| medium / 768p | 35−40 | 40−45 |
| ultra / 1080p | 16−18 | 14−16 |
| high / 768p | 30−35 | 30−35 |
| The average gaming FPS of Radeon HD 6850M in World of Tanks is 5% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | Radeon HD 6850M | |
| Architecture | Maxwell | Terascale 2 |
| Code name | GM108 | Granville Pro/LP |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 6 January 2011 |
| Pipelines | 384 | 800 |
| Core clock speed | 1029 MHz | 575 / 675 MHz |
| Boost Clock | 1124 MHz | |
| Transistor count | 1,040 million | |
| Manufacturing process technology | 28 nm | 40 nm |
| Texture fill rate | 17.98 | 27.00 |
| Floating-point performance | 863.2 gflops | 1,080.0 gflops |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 2002 MHz | 800 MHz |
| Memory bandwidth | 16.02 GB/s | 25.6 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 11.2 (11_0) |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | N/A |
| CUDA | 5.0 | |
| Laptop size | large | |
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