GeForce 840A vs Radeon R9 M280X
When choosing between GeForce 840A and Radeon R9 M280X, 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 M280X.
GeForce 840A
Radeon R9 M280X is a Laptop Graphics Card
Note: Radeon R9 M280X 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 M280X here:
Main Specs
| GeForce 840A | Radeon R9 M280X | |
| Power consumption (TDP) | 33 Watt | |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Memory type | DDR3 | Not Listed |
| Maximum RAM amount | 2 GB | |
| Display Connectors | No outputs | No outputs |
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- GeForce 840A is connected by PCIe 3.0 x8, and Radeon R9 M280X uses PCIe 3.0 x16 interface.
- GeForce 840A is used in Desktops, and Radeon R9 M280X - in Laptops.
- GeForce 840A is build with Maxwell architecture, and Radeon R9 M280X - with GCN.
- Core clock speed of GeForce 840A is 129 MHz higher, than Radeon R9 M280X.
- GeForce 840A and Radeon R9 M280X are manufactured by 28 nm process technology.
Game benchmarks
| high / 1080p | 3−4 | 2−3 |
| ultra / 1080p | 2−3 | 1−2 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 14−16 | 14−16 |
| medium / 1080p | 5−6 | 4−5 |
| The average gaming FPS of GeForce 840A in Assassin's Creed Odyssey is 20% more, than Radeon R9 M280X. | ||
| high / 1080p | − | 7−8 |
| ultra / 1080p | 7−8 | 5−6 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 18−20 | 18−20 |
| medium / 1080p | 8−9 | 7−8 |
| The average gaming FPS of GeForce 840A in Battlefield 5 is 10% more, than Radeon R9 M280X. | ||
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 30−35 | 30−35 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon R9 M280X in Call of Duty: Warzone is 5% 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 M280X. | ||
| low / 768p | 80−85 | 70−75 |
| ultra / 1080p | 14−16 | 21−24 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of Radeon R9 M280X in Cyberpunk 2077 is 2% more, than GeForce 840A. | ||
| low / 768p | 75−80 | 70−75 |
| medium / 768p | 50−55 | 50−55 |
| ultra / 1080p | 27−30 | 27−30 |
| The average gaming FPS of GeForce 840A in Dota 2 is 1% more, than Radeon R9 M280X. | ||
| high / 1080p | 5−6 | 3−4 |
| ultra / 1080p | − | 3−4 |
| 4K / 2160p | 2−3 | 2−3 |
| low / 720p | 14−16 | 14−16 |
| medium / 1080p | 6−7 | 4−5 |
| The average gaming FPS of GeForce 840A in Far Cry 5 is 16% more, than Radeon R9 M280X. | ||
| high / 1080p | 12−14 | 10−12 |
| ultra / 1080p | 7−8 | 5−6 |
| QHD / 1440p | − | 2−3 |
| low / 720p | 50−55 | 50−55 |
| medium / 1080p | 14−16 | 14−16 |
| The average gaming FPS of GeForce 840A in Fortnite is 4% more, than Radeon R9 M280X. | ||
| high / 1080p | 7−8 | 6−7 |
| QHD / 1440p | 0−1 | 4−5 |
| 4K / 2160p | − | 2−3 |
| low / 720p | 20−22 | 21−24 |
| medium / 1080p | 9−10 | 9−10 |
| GeForce 840A and Radeon R9 M280X have the same average FPS in Forza Horizon 4. | ||
| low / 768p | 45−50 | 45−50 |
| medium / 768p | − | 40−45 |
| high / 1080p | 8−9 | 7−8 |
| ultra / 1080p | 5−6 | 3−4 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of GeForce 840A in Grand Theft Auto V is 5% more, than Radeon R9 M280X. | ||
| high / 1080p | 3−4 | 2−3 |
| ultra / 1080p | 1−2 | 0−1 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 8−9 | 8−9 |
| medium / 1080p | 4−5 | 4−5 |
| GeForce 840A and Radeon R9 M280X have the same average FPS in Metro Exodus. | ||
| low / 768p | 85−90 | 80−85 |
| high / 1080p | 85−90 | − |
| ultra / 1080p | 80−85 | 70−75 |
| medium / 1080p | 85−90 | − |
| The average gaming FPS of GeForce 840A in Minecraft is 10% more, than Radeon R9 M280X. | ||
| ultra / 1080p | 12−14 | 12−14 |
| low / 720p | 27−30 | 27−30 |
| medium / 1080p | 14−16 | 14−16 |
| GeForce 840A and Radeon R9 M280X have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS. | ||
| ultra / 1080p | 7−8 | 6−7 |
| QHD / 1440p | 0−1 | − |
| low / 720p | 8−9 | 8−9 |
| medium / 1080p | − | 7−8 |
| The average gaming FPS of GeForce 840A in Red Dead Redemption 2 is 14% more, than Radeon R9 M280X. | ||
| low / 768p | 16−18 | 16−18 |
| medium / 768p | 12−14 | 10−12 |
| high / 1080p | 6−7 | 6−7 |
| ultra / 1080p | 5−6 | 4−5 |
| 4K / 2160p | − | 2−3 |
| The average gaming FPS of GeForce 840A in The Witcher 3: Wild Hunt is 11% more, than Radeon R9 M280X. | ||
| low / 768p | 70−75 | 70−75 |
| medium / 768p | 35−40 | 35−40 |
| ultra / 1080p | 16−18 | 16−18 |
| high / 768p | 30−35 | 30−35 |
| GeForce 840A and Radeon R9 M280X have the same average FPS in World of Tanks. | ||
Full Specs
| GeForce 840A | Radeon R9 M280X | |
| Architecture | Maxwell | GCN |
| Code name | GM108 | Saturn XT |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 1 February 2015 |
| Pipelines | 384 | 896 |
| Core clock speed | 1029 MHz | 900 MHz |
| Boost Clock | 1124 MHz | |
| Transistor count | 2,080 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 61.60 |
| Floating-point performance | 863.2 gflops | 1,792 gflops |
| Memory bus width | 64 Bit | |
| Memory clock speed | 2002 MHz | |
| Memory bandwidth | 16.02 GB/s | 96 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | |
| Shader Model | 5.1 | 6.3 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | Not Listed |
| Vulkan | 1.1.126 | |
| CUDA | 5.0 | |
| FreeSync | + | |
| Bus support | Not Listed | |
| Laptop size | large | |
| HD3D | + | |
| PowerTune | + | |
| DualGraphics | + | |
| ZeroCore | + | |
| Switchable graphics | + | |
| Mantle | + | |
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