GeForce 840A vs Quadro K620M
When choosing between GeForce 840A and Quadro K620M, 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 Quadro K620M.
GeForce 840A
Quadro K620M is a Laptop Graphics Card
Note: Quadro K620M 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 Quadro K620M here:
Main Specs
| GeForce 840A | Quadro K620M | |
| Power consumption (TDP) | 33 Watt | 30 Watt |
| Interface | PCIe 3.0 x8 | MXM-A (3.0) |
| Supplementary power connectors | None | |
| Memory type | DDR3 | DDR3 |
| Maximum RAM amount | 2 GB | 2 GB |
| Display Connectors | No outputs | No outputs |
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- GeForce 840A has 10% more power consumption, than Quadro K620M.
- GeForce 840A is connected by PCIe 3.0 x8, and Quadro K620M uses MXM-A (3.0) interface.
- GeForce 840A and Quadro K620M have maximum RAM of 2 GB.
- GeForce 840A is used in Desktops, and Quadro K620M - in Mobile workstations.
- GeForce 840A and Quadro K620M are build with Maxwell architecture.
- Both graphics cards have the same core clock speed.
- GeForce 840A and Quadro K620M are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 840A is 2 MHz higher, than Quadro K620M.
Game benchmarks
| high / 1080p | 3−4 | 3−4 |
| ultra / 1080p | 2−3 | 1−2 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 14−16 | 14−16 |
| medium / 1080p | 5−6 | 5−6 |
| GeForce 840A and Quadro K620M have the same average FPS in Assassin's Creed Odyssey. | ||
| 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 | 8−9 |
| GeForce 840A and Quadro K620M have the same average FPS in Battlefield 5. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 30−35 | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Quadro K620M in Call of Duty: Warzone is 12% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 120−130 |
| medium / 768p | 90−95 | 95−100 |
| ultra / 1080p | 40−45 | 45−50 |
| QHD / 1440p | 24−27 | 24−27 |
| 4K / 2160p | 18−20 | − |
| high / 768p | 65−70 | 70−75 |
| The average gaming FPS of Quadro K620M in Counter-Strike: Global Offensive is 4% more, than GeForce 840A. | ||
| low / 768p | 80−85 | 70−75 |
| ultra / 1080p | 14−16 | 20−22 |
| medium / 1080p | 40−45 | 40−45 |
| The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 2% more, than Quadro K620M. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 50−55 | 55−60 |
| ultra / 1080p | 27−30 | 27−30 |
| The average gaming FPS of Quadro K620M in Dota 2 is 3% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 4−5 |
| ultra / 1080p | − | 3−4 |
| 4K / 2160p | 2−3 | 0−1 |
| low / 720p | 14−16 | 14−16 |
| medium / 1080p | 6−7 | 5−6 |
| The average gaming FPS of GeForce 840A in Far Cry 5 is 12% more, than Quadro K620M. | ||
| high / 1080p | 12−14 | 12−14 |
| ultra / 1080p | 7−8 | 7−8 |
| QHD / 1440p | − | 4−5 |
| low / 720p | 50−55 | 55−60 |
| medium / 1080p | 14−16 | 14−16 |
| The average gaming FPS of Quadro K620M in Fortnite is 4% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 6−7 |
| ultra / 1080p | − | 6−7 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 20−22 | 21−24 |
| medium / 1080p | 9−10 | 9−10 |
| GeForce 840A and Quadro K620M have the same average FPS in Forza Horizon 4. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 8−9 | 8−9 |
| ultra / 1080p | 5−6 | 3−4 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 40−45 | 40−45 |
| The average gaming FPS of GeForce 840A in Grand Theft Auto V is 4% more, than Quadro K620M. | ||
| high / 1080p | 3−4 | 2−3 |
| ultra / 1080p | 1−2 | 0−1 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 8−9 | 7−8 |
| medium / 1080p | 4−5 | 3−4 |
| The average gaming FPS of GeForce 840A in Metro Exodus is 25% more, than Quadro K620M. | ||
| low / 768p | 85−90 | 85−90 |
| high / 1080p | 85−90 | 65−70 |
| ultra / 1080p | 80−85 | − |
| medium / 1080p | 85−90 | − |
| The average gaming FPS of GeForce 840A in Minecraft is 12% more, than Quadro K620M. | ||
| ultra / 1080p | 12−14 | 12−14 |
| low / 720p | 27−30 | 27−30 |
| medium / 1080p | 14−16 | 14−16 |
| GeForce 840A and Quadro K620M have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS. | ||
| high / 1080p | − | 6−7 |
| ultra / 1080p | 7−8 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 7−8 |
| The average gaming FPS of GeForce 840A in Red Dead Redemption 2 is 33% more, than Quadro K620M. | ||
| low / 768p | 16−18 | 16−18 |
| medium / 768p | 12−14 | 12−14 |
| high / 1080p | 6−7 | 6−7 |
| ultra / 1080p | 5−6 | 4−5 |
| 4K / 2160p | − | 1−2 |
| GeForce 840A and Quadro K620M have the same average FPS in The Witcher 3: Wild Hunt. | ||
| 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 Quadro K620M have the same average FPS in World of Tanks. | ||
Full Specs
| GeForce 840A | Quadro K620M | |
| Architecture | Maxwell | Maxwell |
| Code name | GM108 | GM108 |
| Type | Desktop | Mobile workstation |
| Release date | 17 March 2014 | 1 March 2015 |
| Pipelines | 384 | 384 |
| Core clock speed | 1029 MHz | 1029 MHz |
| Boost Clock | 1124 MHz | 1124 MHz |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 17.98 |
| Floating-point performance | 863.2 gflops | 863.2 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 |
| Shader Model | 5.1 | 5 |
| OpenGL | 4.6 | 4.5 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | 5.0 | + |
| Bitcoin / BTC (SHA256) | 92 Mh/s | |
| Optimus | + | |
| Display Port | 1.2 | |
| nView Display Management | + | |
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