GeForce 840A vs Radeon R9 M275
When choosing between GeForce 840A and Radeon R9 M275, 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 R9 M275.
GeForce 840A
Radeon R9 M275 is a Laptop Graphics Card
Note: Radeon R9 M275 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 R9 M275 here:
Main Specs
| GeForce 840A | Radeon R9 M275 | |
| Power consumption (TDP) | 33 Watt | |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 4 GB |
| Display Connectors | No outputs | No outputs |
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- GeForce 840A is connected by PCIe 3.0 x8, and Radeon R9 M275 uses PCIe 3.0 x16 interface.
- Radeon R9 M275 has 2 GB more memory, than GeForce 840A.
- GeForce 840A is used in Desktops, and Radeon R9 M275 - in Laptops.
- GeForce 840A is build with Maxwell architecture, and Radeon R9 M275 - with GCN.
- Core clock speed of GeForce 840A is 104 MHz higher, than Radeon R9 M275.
- GeForce 840A and Radeon R9 M275 are manufactured by 28 nm process technology.
- Memory clock speed of Radeon R9 M275 is 2498 MHz higher, than GeForce 840A.
Game benchmarks
| high / 1080p | 3−4 | 0−1 |
| ultra / 1080p | 2−3 | − |
| 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 25% more, than Radeon R9 M275. | ||
| high / 1080p | − | 5−6 |
| ultra / 1080p | 7−8 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 18−20 | 16−18 |
| medium / 1080p | 8−9 | 5−6 |
| The average gaming FPS of GeForce 840A in Battlefield 5 is 22% more, than Radeon R9 M275. | ||
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 30−35 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 1080p | − | 50−55 |
| The average gaming FPS of Radeon R9 M275 in Call of Duty: Warzone is 25% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 110−120 |
| medium / 768p | 90−95 | 90−95 |
| ultra / 1080p | 40−45 | 40−45 |
| QHD / 1440p | 24−27 | 24−27 |
| 4K / 2160p | 18−20 | 18−20 |
| high / 768p | 65−70 | 65−70 |
| The average gaming FPS of GeForce 840A in Counter-Strike: Global Offensive is 3% more, than Radeon R9 M275. | ||
| low / 768p | 80−85 | 60−65 |
| ultra / 1080p | 14−16 | 18−20 |
| medium / 1080p | 40−45 | 50−55 |
| The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 4% more, than Radeon R9 M275. | ||
| low / 768p | 75−80 | 70−75 |
| medium / 768p | 50−55 | 50−55 |
| ultra / 1080p | 27−30 | 24−27 |
| The average gaming FPS of GeForce 840A in Dota 2 is 4% more, than Radeon R9 M275. | ||
| high / 1080p | 5−6 | 1−2 |
| 4K / 2160p | 2−3 | 0−1 |
| low / 720p | 14−16 | 10−12 |
| medium / 1080p | 6−7 | 3−4 |
| The average gaming FPS of GeForce 840A in Far Cry 5 is 80% more, than Radeon R9 M275. | ||
| high / 1080p | 12−14 | 9−10 |
| ultra / 1080p | 7−8 | 5−6 |
| QHD / 1440p | − | 1−2 |
| low / 720p | 50−55 | 50−55 |
| medium / 1080p | 14−16 | 12−14 |
| The average gaming FPS of GeForce 840A in Fortnite is 10% more, than Radeon R9 M275. | ||
| high / 1080p | 7−8 | 6−7 |
| ultra / 1080p | − | 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 9% more, than Radeon R9 M275. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 8−9 | 7−8 |
| ultra / 1080p | 5−6 | 4−5 |
| 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 8% more, than Radeon R9 M275. | ||
| high / 1080p | 3−4 | 3−4 |
| ultra / 1080p | 1−2 | 1−2 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 8−9 | 7−8 |
| medium / 1080p | 4−5 | 4−5 |
| GeForce 840A and Radeon R9 M275 have the same average FPS in Metro Exodus. | ||
| low / 768p | 85−90 | 85−90 |
| high / 1080p | 85−90 | 70−75 |
| ultra / 1080p | 80−85 | − |
| medium / 1080p | 85−90 | − |
| The average gaming FPS of GeForce 840A in Minecraft is 8% more, than Radeon R9 M275. | ||
| 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 R9 M275. | ||
| ultra / 1080p | 7−8 | 7−8 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 8−9 |
| GeForce 840A and Radeon R9 M275 have the same average FPS in Red Dead Redemption 2. | ||
| low / 768p | 16−18 | 16−18 |
| medium / 768p | 12−14 | 12−14 |
| high / 1080p | 6−7 | 6−7 |
| ultra / 1080p | 5−6 | 5−6 |
| GeForce 840A and Radeon R9 M275 have the same average FPS in The Witcher 3: Wild Hunt. | ||
| low / 768p | 70−75 | 85−90 |
| medium / 768p | 35−40 | 35−40 |
| ultra / 1080p | 16−18 | 14−16 |
| high / 768p | 30−35 | 30−33 |
| The average gaming FPS of Radeon R9 M275 in World of Tanks is 7% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | Radeon R9 M275 | |
| Architecture | Maxwell | GCN |
| Code name | GM108 | Venus |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 1 August 2014 |
| Pipelines | 384 | 640 |
| Core clock speed | 1029 MHz | 925 MHz |
| Boost Clock | 1124 MHz | 925 MHz |
| Transistor count | 1,500 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 37.00 |
| Floating-point performance | 863.2 gflops | 1,184 gflops |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 2002 MHz | 4500 MHz |
| Memory bandwidth | 16.02 GB/s | 64 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 (11_1) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.2.131 |
| CUDA | 5.0 | |
| Bitcoin / BTC (SHA256) | 122 Mh/s | |
| Laptop size | large | |
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