GeForce 840A vs GeForce 940M
In this comparison between GeForce 840A and GeForce 940M you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people GeForce 840A will be the best choice, for others GeForce 940M will be their preference. Study the comparison tables below and make your choice.
GeForce 840A
GeForce 940M is a Laptop Graphics Card
Note: GeForce 940M 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 GeForce 940M here:
Main Specs
| GeForce 840A | GeForce 940M | |
| Power consumption (TDP) | 33 Watt | 75 Watt |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Memory type | DDR3 | DDR3 |
| Maximum RAM amount | 2 GB | 4 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- GeForce 940M has 127% more power consumption, than GeForce 840A.
- Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
- GeForce 940M has 2 GB more memory, than GeForce 840A.
- GeForce 840A is used in Desktops, and GeForce 940M - in Laptops.
- GeForce 840A and GeForce 940M are build with Maxwell architecture.
- Core clock speed of GeForce 940M is 43 MHz higher, than GeForce 840A.
- GeForce 840A and GeForce 940M are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 840A is 2 MHz higher, than GeForce 940M.
Game benchmarks
| high / 1080p | 3−4 | 2−3 |
| ultra / 1080p | 2−3 | 1−2 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 14−16 | 12−14 |
| medium / 1080p | 5−6 | 4−5 |
| The average gaming FPS of GeForce 840A in Assassin's Creed Odyssey is 20% more, than GeForce 940M. | ||
| high / 1080p | − | 6−7 |
| ultra / 1080p | 7−8 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 18−20 | 16−18 |
| medium / 1080p | 8−9 | 6−7 |
| The average gaming FPS of GeForce 840A in Battlefield 5 is 22% more, than GeForce 940M. | ||
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 30−35 | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of GeForce 940M in Call of Duty: Warzone is 17% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 120−130 |
| 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 |
| GeForce 840A and GeForce 940M have the same average FPS in Counter-Strike: Global Offensive. | ||
| low / 768p | 80−85 | 70−75 |
| ultra / 1080p | 14−16 | 18−20 |
| medium / 1080p | 40−45 | 45−50 |
| GeForce 840A and GeForce 940M have the same average FPS in Cyberpunk 2077. | ||
| 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 GeForce 940M. | ||
| high / 1080p | 5−6 | 3−4 |
| ultra / 1080p | − | 3−4 |
| 4K / 2160p | 2−3 | 2−3 |
| 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 GeForce 940M. | ||
| high / 1080p | 12−14 | 10−11 |
| ultra / 1080p | 7−8 | 5−6 |
| QHD / 1440p | − | 2−3 |
| 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 GeForce 940M. | ||
| high / 1080p | 7−8 | 7−8 |
| ultra / 1080p | − | 6−7 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 20−22 | 20−22 |
| medium / 1080p | 9−10 | 9−10 |
| GeForce 840A and GeForce 940M have the same average FPS in Forza Horizon 4. | ||
| low / 768p | 45−50 | 45−50 |
| medium / 768p | − | 35−40 |
| high / 1080p | 8−9 | 6−7 |
| 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 GeForce 940M. | ||
| high / 1080p | 3−4 | 1−2 |
| ultra / 1080p | 1−2 | 0−1 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 8−9 | 6−7 |
| medium / 1080p | 4−5 | 3−4 |
| The average gaming FPS of GeForce 840A in Metro Exodus is 66% more, than GeForce 940M. | ||
| low / 768p | 85−90 | 90−95 |
| high / 1080p | 85−90 | 85−90 |
| ultra / 1080p | 80−85 | 75−80 |
| medium / 1080p | 85−90 | 90−95 |
| The average gaming FPS of GeForce 940M in Minecraft is 1% more, than GeForce 840A. | ||
| high / 1080p | − | 14−16 |
| ultra / 1080p | 12−14 | 12−14 |
| low / 720p | 27−30 | 24−27 |
| medium / 1080p | 14−16 | 16−18 |
| GeForce 840A and GeForce 940M have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS. | ||
| ultra / 1080p | 7−8 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 5−6 |
| The average gaming FPS of GeForce 840A in Red Dead Redemption 2 is 60% more, than GeForce 940M. | ||
| low / 768p | 16−18 | 14−16 |
| medium / 768p | 12−14 | 10−11 |
| high / 1080p | 6−7 | 5−6 |
| ultra / 1080p | 5−6 | 4−5 |
| 4K / 2160p | − | 1−2 |
| The average gaming FPS of GeForce 840A in The Witcher 3: Wild Hunt is 25% more, than GeForce 940M. | ||
| 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 GeForce 940M in World of Tanks is 5% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | GeForce 940M | |
| Architecture | Maxwell | Maxwell |
| Code name | GM108 | N16S-GT-S/B |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 12 March 2015 |
| Pipelines | 384 | 384 |
| Core clock speed | 1029 MHz | 1072 MHz |
| Boost Clock | 1124 MHz | 1176 MHz |
| Transistor count | 1,870 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 28.22 |
| Floating-point performance | 863.2 gflops | 903.2 gflops |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 2002 MHz | 2000 MHz |
| Memory bandwidth | 16.02 GB/s | 14.4 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.5 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | 5.0 | + |
| Bus support | PCI Express 3.0 | |
| Bitcoin / BTC (SHA256) | 101 Mh/s | |
| Laptop size | medium sized | |
| Optimus | + | |
| GPU Boost | 2.0 | |
| GameWorks | + | |
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