GeForce 840A vs GeForce 920M
When choosing between GeForce 840A and GeForce 920M, 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 GeForce 920M.
GeForce 840A
GeForce 920M is a Laptop Graphics Card
Note: GeForce 920M 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 920M here:
Main Specs
| GeForce 840A | GeForce 920M | |
| Power consumption (TDP) | 33 Watt | 33 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 |
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- Both graphics cards have the same power consumption of 33 Watt.
- Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
- GeForce 920M has 2 GB more memory, than GeForce 840A.
- GeForce 840A is used in Desktops, and GeForce 920M - in Laptops.
- GeForce 840A is build with Maxwell architecture, and GeForce 920M - with Kepler.
- Core clock speed of GeForce 840A is 75 MHz higher, than GeForce 920M.
- GeForce 840A and GeForce 920M are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 840A is 202 MHz higher, than GeForce 920M.
Game benchmarks
| high / 1080p | 3−4 | 0−1 |
| ultra / 1080p | 2−3 | − |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 14−16 | 1−2 |
| medium / 1080p | 5−6 | 0−1 |
| The average gaming FPS of GeForce 840A in Assassin's Creed Odyssey is 1400% more, than GeForce 920M. | ||
| ultra / 1080p | 7−8 | − |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 18−20 | 0−1 |
| medium / 1080p | 8−9 | − |
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 30−35 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of GeForce 920M in Call of Duty: Warzone is 25% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 60−65 |
| medium / 768p | 90−95 | 27−30 |
| ultra / 1080p | 40−45 | 7−8 |
| QHD / 1440p | 24−27 | − |
| 4K / 2160p | 18−20 | − |
| high / 768p | 65−70 | 16−18 |
| The average gaming FPS of GeForce 840A in Counter-Strike: Global Offensive is 189% more, than GeForce 920M. | ||
| low / 768p | 80−85 | 70−75 |
| ultra / 1080p | 14−16 | 0−1 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 3% more, than GeForce 920M. | ||
| low / 768p | 75−80 | 45−50 |
| medium / 768p | 50−55 | 10−11 |
| ultra / 1080p | 27−30 | 0−1 |
| The average gaming FPS of GeForce 840A in Dota 2 is 124% more, than GeForce 920M. | ||
| high / 1080p | 5−6 | − |
| 4K / 2160p | 2−3 | − |
| low / 720p | 14−16 | 0−1 |
| medium / 1080p | 6−7 | − |
| high / 1080p | 12−14 | − |
| ultra / 1080p | 7−8 | − |
| low / 720p | 50−55 | 21−24 |
| medium / 1080p | 14−16 | 0−1 |
| The average gaming FPS of GeForce 840A in Fortnite is 136% more, than GeForce 920M. | ||
| high / 1080p | 7−8 | 0−1 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 20−22 | 0−1 |
| medium / 1080p | 9−10 | 0−1 |
| low / 768p | 45−50 | 18−20 |
| high / 1080p | 8−9 | 0−1 |
| ultra / 1080p | 5−6 | − |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 40−45 | 12−14 |
| The average gaming FPS of GeForce 840A in Grand Theft Auto V is 181% more, than GeForce 920M. | ||
| high / 1080p | 3−4 | − |
| ultra / 1080p | 1−2 | − |
| 4K / 2160p | 0−1 | − |
| low / 720p | 8−9 | 0−1 |
| medium / 1080p | 4−5 | − |
| low / 768p | 85−90 | 75−80 |
| high / 1080p | 85−90 | 27−30 |
| ultra / 1080p | 80−85 | − |
| medium / 1080p | 85−90 | − |
| The average gaming FPS of GeForce 840A in Minecraft is 64% more, than GeForce 920M. | ||
| ultra / 1080p | 12−14 | − |
| low / 720p | 27−30 | 8−9 |
| medium / 1080p | 14−16 | − |
| The average gaming FPS of GeForce 840A in PLAYERUNKNOWN'S BATTLEGROUNDS is 250% more, than GeForce 920M. | ||
| ultra / 1080p | 7−8 | − |
| QHD / 1440p | 0−1 | − |
| low / 720p | 8−9 | 0−1 |
| low / 768p | 16−18 | 0−1 |
| medium / 768p | 12−14 | − |
| high / 1080p | 6−7 | − |
| ultra / 1080p | 5−6 | − |
| low / 768p | 70−75 | 45−50 |
| medium / 768p | 35−40 | 14−16 |
| ultra / 1080p | 16−18 | 0−1 |
| high / 768p | 30−35 | 12−14 |
| The average gaming FPS of GeForce 840A in World of Tanks is 88% more, than GeForce 920M. | ||
Full Specs
| GeForce 840A | GeForce 920M | |
| Architecture | Maxwell | Kepler |
| Code name | GM108 | N16V-GM-S |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 27 January 2015 |
| Pipelines | 384 | 384 |
| Core clock speed | 1029 MHz | 954 MHz |
| Boost Clock | 1124 MHz | |
| Transistor count | 915 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 30.53 |
| Floating-point performance | 863.2 gflops | 297.6 gflops |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 2002 MHz | 1800 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) | 40 Mh/s | |
| Optimus | + | |
| GPU Boost | 2.0 | |
| GameWorks | + | |
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