GeForce 845M vs GeForce GTX 850A
When choosing between GeForce 845M and GeForce GTX 850A, 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 845M and GeForce GTX 850A.
GeForce GTX 850A
GeForce 845M is a Laptop Graphics Card
Note: GeForce 845M 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 845M here:
Main Specs
| GeForce 845M | GeForce GTX 850A | |
| Power consumption (TDP) | 45 Watt | 45 Watt |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x16 |
| Memory type | DDR3, GDDR5 | DDR3 |
| Maximum RAM amount | 2 GB | 2 GB |
| Display Connectors | No outputs | No outputs |
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- Both graphics cards have the same power consumption of 45 Watt.
- GeForce 845M is connected by PCIe 3.0 x8, and GeForce GTX 850A uses PCIe 3.0 x16 interface.
- GeForce 845M and GeForce GTX 850A have maximum RAM of 2 GB.
- GeForce 845M is used in Laptops, and GeForce GTX 850A - in Desktops.
- GeForce 845M and GeForce GTX 850A are build with Maxwell architecture.
- Core clock speed of GeForce 845M is 169 MHz higher, than GeForce GTX 850A.
- GeForce 845M and GeForce GTX 850A are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 845M is 200 MHz higher, than GeForce GTX 850A.
Game benchmarks
| high / 1080p | 3−4 | 1−2 |
| ultra / 1080p | 1−2 | 0−1 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 14−16 | 12−14 |
| medium / 1080p | 6−7 | 3−4 |
| The average gaming FPS of GeForce 845M in Assassin's Creed Odyssey is 33% more, than GeForce GTX 850A. | ||
| high / 1080p | 10−11 | − |
| ultra / 1080p | 7−8 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 21−24 | 16−18 |
| medium / 1080p | 10−11 | 5−6 |
| The average gaming FPS of GeForce 845M in Battlefield 5 is 44% more, than GeForce GTX 850A. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 40−45 | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 845M and GeForce GTX 850A have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 130−140 | 120−130 |
| medium / 768p | 100−110 | 90−95 |
| ultra / 1080p | 50−55 | 40−45 |
| QHD / 1440p | 24−27 | 24−27 |
| 4K / 2160p | 12−14 | 18−20 |
| high / 768p | 75−80 | 65−70 |
| The average gaming FPS of GeForce 845M in Counter-Strike: Global Offensive is 9% more, than GeForce GTX 850A. | ||
| low / 768p | 85−90 | 85−90 |
| ultra / 1080p | 21−24 | 16−18 |
| medium / 1080p | 45−50 | 40−45 |
| The average gaming FPS of GeForce 845M in Cyberpunk 2077 is 6% more, than GeForce GTX 850A. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 50−55 | 50−55 |
| ultra / 1080p | 30−33 | 24−27 |
| The average gaming FPS of GeForce 845M in Dota 2 is 3% more, than GeForce GTX 850A. | ||
| high / 1080p | 4−5 | 2−3 |
| ultra / 1080p | 4−5 | 2−3 |
| 4K / 2160p | 2−3 | 0−1 |
| low / 720p | 14−16 | 12−14 |
| medium / 1080p | 6−7 | 3−4 |
| The average gaming FPS of GeForce 845M in Far Cry 5 is 40% more, than GeForce GTX 850A. | ||
| high / 1080p | 6−7 | 10−11 |
| ultra / 1080p | 0−1 | 5−6 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 55−60 | 50−55 |
| medium / 1080p | 16−18 | 10−12 |
| The average gaming FPS of GeForce 845M in Fortnite is 12% more, than GeForce GTX 850A. | ||
| high / 1080p | 9−10 | 4−5 |
| ultra / 1080p | 8−9 | − |
| QHD / 1440p | 3−4 | 0−1 |
| 4K / 2160p | 3−4 | − |
| low / 720p | 21−24 | 16−18 |
| medium / 1080p | 10−12 | 7−8 |
| The average gaming FPS of GeForce 845M in Forza Horizon 4 is 55% more, than GeForce GTX 850A. | ||
| low / 768p | 50−55 | 45−50 |
| high / 1080p | 10−11 | 5−6 |
| ultra / 1080p | 4−5 | 2−3 |
| QHD / 1440p | − | 0−1 |
| medium / 720p | 40−45 | 35−40 |
| The average gaming FPS of GeForce 845M in Grand Theft Auto V is 17% more, than GeForce GTX 850A. | ||
| high / 1080p | 3−4 | 1−2 |
| ultra / 1080p | 1−2 | 0−1 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 10−11 | 5−6 |
| medium / 1080p | 4−5 | 3−4 |
| The average gaming FPS of GeForce 845M in Metro Exodus is 100% more, than GeForce GTX 850A. | ||
| low / 768p | 90−95 | 90−95 |
| high / 1080p | 65−70 | 85−90 |
| ultra / 1080p | − | 70−75 |
| medium / 1080p | 90−95 | 90−95 |
| The average gaming FPS of GeForce GTX 850A in Minecraft is 7% more, than GeForce 845M. | ||
| high / 1080p | 5−6 | − |
| ultra / 1080p | 1−2 | 12−14 |
| 4K / 2160p | 0−1 | − |
| low / 720p | 27−30 | 27−30 |
| medium / 1080p | 9−10 | 14−16 |
| The average gaming FPS of GeForce GTX 850A in PLAYERUNKNOWN'S BATTLEGROUNDS is 38% more, than GeForce 845M. | ||
| ultra / 1080p | − | 4−5 |
| QHD / 1440p | − | 0−1 |
| low / 720p | 10−11 | 6−7 |
| medium / 1080p | 8−9 | − |
| The average gaming FPS of GeForce 845M in Red Dead Redemption 2 is 66% more, than GeForce GTX 850A. | ||
| low / 768p | 20−22 | 12−14 |
| medium / 768p | 12−14 | 9−10 |
| high / 1080p | 6−7 | 4−5 |
| ultra / 1080p | 4−5 | 3−4 |
| 4K / 2160p | 3−4 | 0−1 |
| The average gaming FPS of GeForce 845M in The Witcher 3: Wild Hunt is 57% more, than GeForce GTX 850A. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 40−45 | 35−40 |
| ultra / 1080p | 16−18 | 16−18 |
| high / 768p | 30−35 | 30−35 |
| The average gaming FPS of GeForce 845M in World of Tanks is 2% more, than GeForce GTX 850A. | ||
Full Specs
| GeForce 845M | GeForce GTX 850A | |
| Architecture | Maxwell | Maxwell |
| Code name | GM108 | GM107 |
| Type | Laptop | Desktop |
| Release date | 12 March 2014 | 17 March 2014 |
| Pipelines | 384 | 640 |
| Core clock speed | 1071 MHz | 902 MHz |
| Boost Clock | 1150 MHz | 936 MHz |
| Transistor count | 1,870 million | 1,870 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 37.63 | 37.44 |
| Floating-point performance | 883.7 gflops | 1,198 gflops |
| Memory bus width | 64/128 Bit | 128 Bit |
| Memory clock speed | 2000 - 5000 MHz | 1800 MHz |
| Memory bandwidth | 40.1 GB/s | 28.8 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | + | 5.0 |
| Bitcoin / BTC (SHA256) | 76 Mh/s | |
| Laptop size | medium sized | |
| Optimus | + | |
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