GeForce 945A vs Radeon RX 640
When choosing between GeForce 945A and Radeon RX 640, 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 945A and Radeon RX 640.
GeForce 945A
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 945A | Radeon RX 640 | |
| Power consumption (TDP) | 33 Watt | 50 Watt |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Supplementary power connectors | None | |
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 1 GB | 4 GB |
| Display Connectors | No outputs | 1x DVI, 1x HDMI, 1x DisplayPort |
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- Radeon RX 640 has 51% more power consumption, than GeForce 945A.
- Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
- Radeon RX 640 has 3 GB more memory, than GeForce 945A.
- GeForce 945A is used in Desktops, and Radeon RX 640 - in Laptops.
- GeForce 945A is build with Maxwell architecture, and Radeon RX 640 - with Polaris.
- Core clock speed of Radeon RX 640 is 146 MHz higher, than GeForce 945A.
- GeForce 945A is manufactured by 28 nm process technology, and Radeon RX 640 - by 14 nm process technology.
- Memory clock speed of Radeon RX 640 is 988 MHz higher, than GeForce 945A.
Game benchmarks
| high / 1080p | 9−10 | 5−6 |
| ultra / 1080p | 5−6 | 3−4 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 20−22 | 16−18 |
| medium / 1080p | 10−12 | 7−8 |
| The average gaming FPS of GeForce 945A in Assassin's Creed Odyssey is 37% more, than Radeon RX 640. | ||
| high / 1080p | 14−16 | 10−12 |
| ultra / 1080p | 12−14 | 8−9 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 30−35 | 24−27 |
| medium / 1080p | 16−18 | 10−12 |
| The average gaming FPS of GeForce 945A in Battlefield 5 is 35% more, than Radeon RX 640. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 45−50 | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of GeForce 945A in Call of Duty: Warzone is 4% more, than Radeon RX 640. | ||
| low / 768p | 160−170 | 130−140 |
| medium / 768p | 130−140 | 100−110 |
| ultra / 1080p | 65−70 | 50−55 |
| QHD / 1440p | 35−40 | 27−30 |
| 4K / 2160p | 27−30 | 12−14 |
| high / 768p | 95−100 | 80−85 |
| The average gaming FPS of GeForce 945A in Counter-Strike: Global Offensive is 27% more, than Radeon RX 640. | ||
| low / 768p | 55−60 | 50−55 |
| ultra / 1080p | 24−27 | 18−20 |
| medium / 1080p | 45−50 | 45−50 |
| The average gaming FPS of GeForce 945A in Cyberpunk 2077 is 10% more, than Radeon RX 640. | ||
| low / 768p | 90−95 | 80−85 |
| medium / 768p | 70−75 | 55−60 |
| ultra / 1080p | 40−45 | 30−35 |
| The average gaming FPS of GeForce 945A in Dota 2 is 21% more, than Radeon RX 640. | ||
| high / 1080p | 10−11 | 7−8 |
| ultra / 1080p | 10−11 | 5−6 |
| 4K / 2160p | 4−5 | 5−6 |
| low / 720p | 24−27 | 18−20 |
| medium / 1080p | 10−12 | 8−9 |
| The average gaming FPS of GeForce 945A in Far Cry 5 is 33% more, than Radeon RX 640. | ||
| high / 1080p | 16−18 | 7−8 |
| ultra / 1080p | 12−14 | 0−1 |
| QHD / 1440p | − | 0−1 |
| low / 720p | 70−75 | 60−65 |
| medium / 1080p | 30−35 | 18−20 |
| The average gaming FPS of GeForce 945A in Fortnite is 37% more, than Radeon RX 640. | ||
| high / 1080p | 14−16 | 10−11 |
| ultra / 1080p | 12−14 | − |
| QHD / 1440p | 3−4 | − |
| 4K / 2160p | − | 8−9 |
| low / 720p | 30−35 | 24−27 |
| medium / 1080p | 18−20 | 12−14 |
| The average gaming FPS of GeForce 945A in Forza Horizon 4 is 37% more, than Radeon RX 640. | ||
| low / 768p | 60−65 | 50−55 |
| medium / 768p | 50−55 | − |
| high / 1080p | 16−18 | 10−12 |
| ultra / 1080p | 8−9 | 5−6 |
| QHD / 1440p | 0−1 | − |
| medium / 720p | − | 45−50 |
| The average gaming FPS of GeForce 945A in Grand Theft Auto V is 26% more, than Radeon RX 640. | ||
| high / 1080p | 6−7 | 3−4 |
| ultra / 1080p | 4−5 | 1−2 |
| 4K / 2160p | 1−2 | − |
| low / 720p | 16−18 | 10−11 |
| medium / 1080p | 8−9 | 5−6 |
| The average gaming FPS of GeForce 945A in Metro Exodus is 80% more, than Radeon RX 640. | ||
| low / 768p | 100−105 | 90−95 |
| high / 1080p | 95−100 | − |
| ultra / 1080p | 85−90 | 80−85 |
| medium / 1080p | 95−100 | − |
| The average gaming FPS of GeForce 945A in Minecraft is 9% more, than Radeon RX 640. | ||
| high / 1080p | 18−20 | 6−7 |
| ultra / 1080p | 14−16 | 2−3 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 35−40 | 27−30 |
| medium / 1080p | 18−20 | 10−11 |
| The average gaming FPS of GeForce 945A in PLAYERUNKNOWN'S BATTLEGROUNDS is 83% more, than Radeon RX 640. | ||
| high / 1080p | 12−14 | − |
| ultra / 1080p | 8−9 | − |
| QHD / 1440p | 0−1 | − |
| low / 720p | 16−18 | 10−12 |
| medium / 1080p | 12−14 | 9−10 |
| The average gaming FPS of GeForce 945A in Red Dead Redemption 2 is 50% more, than Radeon RX 640. | ||
| low / 768p | 30−35 | 21−24 |
| medium / 768p | 21−24 | 14−16 |
| high / 1080p | 10−12 | 6−7 |
| ultra / 1080p | 7−8 | 4−5 |
| 4K / 2160p | 6−7 | 3−4 |
| The average gaming FPS of GeForce 945A in The Witcher 3: Wild Hunt is 60% more, than Radeon RX 640. | ||
| low / 768p | 90−95 | 75−80 |
| medium / 768p | 50−55 | 40−45 |
| ultra / 1080p | 24−27 | 18−20 |
| high / 768p | 40−45 | 35−40 |
| The average gaming FPS of GeForce 945A in World of Tanks is 20% more, than Radeon RX 640. | ||
Full Specs
| GeForce 945A | Radeon RX 640 | |
| Architecture | Maxwell | Polaris |
| Code name | GM108 | Polaris 12 |
| Type | Desktop | Laptop |
| Release date | 13 March 2015 | 12 August 2019 |
| Pipelines | 384 | 640 |
| Core clock speed | 1072 MHz | 1218 MHz |
| Boost Clock | 1189 MHz | 1218 MHz |
| Transistor count | 2,200 million | |
| Manufacturing process technology | 28 nm | 14 nm |
| Texture fill rate | 28.54 | 38.98 |
| Floating-point performance | 903.2 gflops | |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 5012 MHz | 6000 MHz |
| Memory bandwidth | 40.1 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 | + | |
| Bitcoin / BTC (SHA256) | 108 Mh/s | |
| Laptop size | large | |
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