GeForce GTX 850A vs Radeon RX 640
If you are going to buy a new graphics card and are choosing between GeForce GTX 850A and Radeon RX 640, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the GeForce GTX 850A stacks up against Radeon RX 640, check out specs charts below.
GeForce GTX 850A
Radeon RX 640 is a Laptop Graphics Card
Note: Radeon RX 640 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 RX 640 here:
Main Specs
| GeForce GTX 850A | Radeon RX 640 | |
| Power consumption (TDP) | 45 Watt | 50 Watt |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x8 |
| Supplementary power connectors | None | |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 4 GB |
| Display Connectors | No outputs | 1x DVI, 1x HDMI, 1x DisplayPort |
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- Radeon RX 640 has 11% more power consumption, than GeForce GTX 850A.
- GeForce GTX 850A is connected by PCIe 3.0 x16, and Radeon RX 640 uses PCIe 3.0 x8 interface.
- Radeon RX 640 has 2 GB more memory, than GeForce GTX 850A.
- GeForce GTX 850A is used in Desktops, and Radeon RX 640 - in Laptops.
- GeForce GTX 850A is build with Maxwell architecture, and Radeon RX 640 - with Polaris.
- Core clock speed of Radeon RX 640 is 316 MHz higher, than GeForce GTX 850A.
- GeForce GTX 850A is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
- Memory clock speed of Radeon RX 640 is 4200 MHz higher, than GeForce GTX 850A.
Game benchmarks
| high / 1080p | 1−2 | 5−6 |
| ultra / 1080p | 0−1 | 3−4 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 12−14 | 16−18 |
| medium / 1080p | 3−4 | 7−8 |
| The average gaming FPS of Radeon RX 640 in Assassin's Creed Odyssey is 66% more, than GeForce GTX 850A. | ||
| high / 1080p | − | 10−12 |
| ultra / 1080p | 4−5 | 8−9 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 16−18 | 24−27 |
| medium / 1080p | 5−6 | 10−12 |
| The average gaming FPS of Radeon RX 640 in Battlefield 5 is 66% more, than GeForce GTX 850A. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 40−45 | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce GTX 850A and Radeon RX 640 have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 120−130 | 130−140 |
| medium / 768p | 90−95 | 100−110 |
| ultra / 1080p | 40−45 | 50−55 |
| QHD / 1440p | 24−27 | 27−30 |
| 4K / 2160p | 18−20 | 12−14 |
| high / 768p | 65−70 | 80−85 |
| The average gaming FPS of Radeon RX 640 in Counter-Strike: Global Offensive is 11% more, than GeForce GTX 850A. | ||
| low / 768p | 85−90 | 50−55 |
| ultra / 1080p | 16−18 | 18−20 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of GeForce GTX 850A in Cyberpunk 2077 is 25% more, than Radeon RX 640. | ||
| low / 768p | 75−80 | 80−85 |
| medium / 768p | 50−55 | 55−60 |
| ultra / 1080p | 24−27 | 30−35 |
| The average gaming FPS of Radeon RX 640 in Dota 2 is 11% more, than GeForce GTX 850A. | ||
| high / 1080p | 2−3 | 7−8 |
| ultra / 1080p | 2−3 | 5−6 |
| 4K / 2160p | 0−1 | 5−6 |
| low / 720p | 12−14 | 18−20 |
| medium / 1080p | 3−4 | 8−9 |
| The average gaming FPS of Radeon RX 640 in Far Cry 5 is 100% more, than GeForce GTX 850A. | ||
| high / 1080p | 10−11 | 7−8 |
| ultra / 1080p | 5−6 | 0−1 |
| QHD / 1440p | 2−3 | 0−1 |
| low / 720p | 50−55 | 60−65 |
| medium / 1080p | 10−12 | 18−20 |
| The average gaming FPS of Radeon RX 640 in Fortnite is 20% more, than GeForce GTX 850A. | ||
| high / 1080p | 4−5 | 10−11 |
| QHD / 1440p | 0−1 | − |
| 4K / 2160p | − | 8−9 |
| low / 720p | 16−18 | 24−27 |
| medium / 1080p | 7−8 | 12−14 |
| The average gaming FPS of Radeon RX 640 in Forza Horizon 4 is 77% more, than GeForce GTX 850A. | ||
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 5−6 | 10−12 |
| ultra / 1080p | 2−3 | 5−6 |
| QHD / 1440p | 0−1 | − |
| medium / 720p | 35−40 | 45−50 |
| The average gaming FPS of Radeon RX 640 in Grand Theft Auto V is 26% more, than GeForce GTX 850A. | ||
| high / 1080p | 1−2 | 3−4 |
| ultra / 1080p | 0−1 | 1−2 |
| 4K / 2160p | 0−1 | − |
| low / 720p | 5−6 | 10−11 |
| medium / 1080p | 3−4 | 5−6 |
| The average gaming FPS of Radeon RX 640 in Metro Exodus is 100% more, than GeForce GTX 850A. | ||
| low / 768p | 90−95 | 90−95 |
| high / 1080p | 85−90 | − |
| ultra / 1080p | 70−75 | 80−85 |
| medium / 1080p | 90−95 | − |
| The average gaming FPS of Radeon RX 640 in Minecraft is 6% more, than GeForce GTX 850A. | ||
| high / 1080p | − | 6−7 |
| ultra / 1080p | 12−14 | 2−3 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 27−30 | 27−30 |
| medium / 1080p | 14−16 | 10−11 |
| The average gaming FPS of GeForce GTX 850A in PLAYERUNKNOWN'S BATTLEGROUNDS is 38% more, than Radeon RX 640. | ||
| ultra / 1080p | 4−5 | − |
| QHD / 1440p | 0−1 | − |
| low / 720p | 6−7 | 10−12 |
| medium / 1080p | − | 9−10 |
| The average gaming FPS of Radeon RX 640 in Red Dead Redemption 2 is 83% more, than GeForce GTX 850A. | ||
| low / 768p | 12−14 | 21−24 |
| medium / 768p | 9−10 | 14−16 |
| high / 1080p | 4−5 | 6−7 |
| ultra / 1080p | 3−4 | 4−5 |
| 4K / 2160p | 0−1 | 3−4 |
| The average gaming FPS of Radeon RX 640 in The Witcher 3: Wild Hunt is 71% more, than GeForce GTX 850A. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 35−40 | 40−45 |
| ultra / 1080p | 16−18 | 18−20 |
| high / 768p | 30−35 | 35−40 |
| The average gaming FPS of Radeon RX 640 in World of Tanks is 7% more, than GeForce GTX 850A. | ||
Full Specs
| GeForce GTX 850A | Radeon RX 640 | |
| Architecture | Maxwell | Polaris |
| Code name | GM107 | Polaris 12 |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 12 August 2019 |
| Pipelines | 640 | 640 |
| Core clock speed | 902 MHz | 1218 MHz |
| Boost Clock | 936 MHz | 1218 MHz |
| Transistor count | 1,870 million | 2,200 million |
| Manufacturing process technology | 28 nm | 14 nm |
| Texture fill rate | 37.44 | 38.98 |
| Floating-point performance | 1,198 gflops | |
| Memory bus width | 128 Bit | 64 Bit |
| Memory clock speed | 1800 MHz | 6000 MHz |
| Memory bandwidth | 28.8 GB/s | 112.0 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 (12_0) |
| Shader Model | 5.1 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | 5.0 | |
| FreeSync | + | |
| Laptop size | large | |
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