GeForce 840M vs GeForce 945A
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840M and GeForce 945A. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between GeForce 840M and GeForce 945A. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
GeForce 945A
GeForce 840M is a Laptop Graphics Card
Note: GeForce 840M 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 840M here:
Main Specs
| GeForce 840M | GeForce 945A | |
| Power consumption (TDP) | 33 Watt | 33 Watt |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 4 GB | 1 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- 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 840M has 3 GB more memory, than GeForce 945A.
- GeForce 840M is used in Laptops, and GeForce 945A - in Desktops.
- GeForce 840M and GeForce 945A are build with Maxwell architecture.
- Core clock speed of GeForce 945A is 43 MHz higher, than GeForce 840M.
- GeForce 840M and GeForce 945A are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 945A is 3012 MHz higher, than GeForce 840M.
Game benchmarks
| high / 1080p | 1−2 | 9−10 |
| ultra / 1080p | 0−1 | 5−6 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 12−14 | 20−22 |
| medium / 1080p | 3−4 | 10−12 |
| The average gaming FPS of GeForce 945A in Assassin's Creed Odyssey is 116% more, than GeForce 840M. | ||
| high / 1080p | − | 14−16 |
| ultra / 1080p | 4−5 | 12−14 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 16−18 | 30−35 |
| medium / 1080p | 5−6 | 16−18 |
| The average gaming FPS of GeForce 945A in Battlefield 5 is 122% more, than GeForce 840M. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 40−45 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of GeForce 945A in Call of Duty: Warzone is 4% more, than GeForce 840M. | ||
| low / 768p | 120−130 | 160−170 |
| medium / 768p | 90−95 | 130−140 |
| ultra / 1080p | 40−45 | 65−70 |
| QHD / 1440p | 24−27 | 35−40 |
| 4K / 2160p | 18−20 | 27−30 |
| high / 768p | 65−70 | 95−100 |
| The average gaming FPS of GeForce 945A in Counter-Strike: Global Offensive is 41% more, than GeForce 840M. | ||
| low / 768p | 85−90 | 55−60 |
| ultra / 1080p | 16−18 | 24−27 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of GeForce 840M in Cyberpunk 2077 is 13% more, than GeForce 945A. | ||
| low / 768p | 75−80 | 90−95 |
| medium / 768p | 50−55 | 70−75 |
| ultra / 1080p | 24−27 | 40−45 |
| The average gaming FPS of GeForce 945A in Dota 2 is 35% more, than GeForce 840M. | ||
| high / 1080p | 2−3 | 10−11 |
| ultra / 1080p | 2−3 | 10−11 |
| 4K / 2160p | 0−1 | 4−5 |
| low / 720p | 12−14 | 24−27 |
| medium / 1080p | 3−4 | 10−12 |
| The average gaming FPS of GeForce 945A in Far Cry 5 is 180% more, than GeForce 840M. | ||
| high / 1080p | 10−11 | 16−18 |
| ultra / 1080p | 5−6 | 12−14 |
| QHD / 1440p | 2−3 | − |
| low / 720p | 50−55 | 70−75 |
| medium / 1080p | 10−12 | 30−35 |
| The average gaming FPS of GeForce 945A in Fortnite is 73% more, than GeForce 840M. | ||
| high / 1080p | 4−5 | 14−16 |
| ultra / 1080p | − | 12−14 |
| QHD / 1440p | 0−1 | 3−4 |
| low / 720p | 16−18 | 30−35 |
| medium / 1080p | 7−8 | 18−20 |
| The average gaming FPS of GeForce 945A in Forza Horizon 4 is 144% more, than GeForce 840M. | ||
| low / 768p | 45−50 | 60−65 |
| medium / 768p | − | 50−55 |
| high / 1080p | 5−6 | 16−18 |
| ultra / 1080p | 2−3 | 8−9 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 35−40 | − |
| The average gaming FPS of GeForce 945A in Grand Theft Auto V is 61% more, than GeForce 840M. | ||
| high / 1080p | 1−2 | 6−7 |
| ultra / 1080p | 0−1 | 4−5 |
| 4K / 2160p | 0−1 | 1−2 |
| low / 720p | 5−6 | 16−18 |
| medium / 1080p | 3−4 | 8−9 |
| The average gaming FPS of GeForce 945A in Metro Exodus is 233% more, than GeForce 840M. | ||
| low / 768p | 90−95 | 100−105 |
| high / 1080p | 85−90 | 95−100 |
| ultra / 1080p | 70−75 | 85−90 |
| medium / 1080p | 90−95 | 95−100 |
| The average gaming FPS of GeForce 945A in Minecraft is 11% more, than GeForce 840M. | ||
| high / 1080p | − | 18−20 |
| ultra / 1080p | 12−14 | 14−16 |
| low / 720p | 27−30 | 35−40 |
| medium / 1080p | 14−16 | 18−20 |
| The average gaming FPS of GeForce 945A in PLAYERUNKNOWN'S BATTLEGROUNDS is 27% more, than GeForce 840M. | ||
| high / 1080p | − | 12−14 |
| ultra / 1080p | 4−5 | 8−9 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 6−7 | 16−18 |
| medium / 1080p | − | 12−14 |
| The average gaming FPS of GeForce 945A in Red Dead Redemption 2 is 140% more, than GeForce 840M. | ||
| low / 768p | 12−14 | 30−35 |
| medium / 768p | 9−10 | 21−24 |
| high / 1080p | 4−5 | 10−12 |
| ultra / 1080p | 3−4 | 7−8 |
| 4K / 2160p | 0−1 | 6−7 |
| The average gaming FPS of GeForce 945A in The Witcher 3: Wild Hunt is 157% more, than GeForce 840M. | ||
| low / 768p | 75−80 | 90−95 |
| medium / 768p | 35−40 | 50−55 |
| ultra / 1080p | 16−18 | 24−27 |
| high / 768p | 30−35 | 40−45 |
| The average gaming FPS of GeForce 945A in World of Tanks is 29% more, than GeForce 840M. | ||
Full Specs
| GeForce 840M | GeForce 945A | |
| Architecture | Maxwell | Maxwell |
| Code name | N15S-GT | GM108 |
| Type | Laptop | Desktop |
| Release date | 12 March 2014 | 13 March 2015 |
| Pipelines | 384 | 384 |
| Core clock speed | 1029 MHz | 1072 MHz |
| Boost Clock | 1124 MHz | 1189 MHz |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 28.54 |
| Floating-point performance | 863.2 gflops | 903.2 gflops |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 2000 MHz | 5012 MHz |
| Memory bandwidth | 16.02 GB/s | 40.1 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.5 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | + | 5.0 |
| Bus support | PCI Express 2.0, PCI Express 3.0 | |
| Bitcoin / BTC (SHA256) | 92 Mh/s | 108 Mh/s |
| Laptop size | medium sized | |
| Optimus | + | |
| GPU Boost | 2.0 | |
| GameWorks | + | |
| Check Price |