GeForce 840A vs GeForce 945M
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and GeForce 945M. 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 840A and GeForce 945M. 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 840A
GeForce 945M is a Laptop Graphics Card
Note: GeForce 945M 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 945M here:
Main Specs
| GeForce 840A | GeForce 945M | |
| Power consumption (TDP) | 33 Watt | 75 Watt |
| Interface | PCIe 3.0 x8 | MXM-B (3.0) |
| Supplementary power connectors | None | |
| Memory type | DDR3 | DDR3 |
| Maximum RAM amount | 2 GB | 4 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- GeForce 945M has 127% more power consumption, than GeForce 840A.
- GeForce 840A is connected by PCIe 3.0 x8, and GeForce 945M uses MXM-B (3.0) interface.
- GeForce 945M has 2 GB more memory, than GeForce 840A.
- GeForce 840A is used in Desktops, and GeForce 945M - in Laptops.
- GeForce 840A and GeForce 945M are build with Maxwell architecture.
- Core clock speed of GeForce 840A is 101 MHz higher, than GeForce 945M.
- GeForce 840A and GeForce 945M are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 840A is 2 MHz higher, than GeForce 945M.
Game benchmarks
| high / 1080p | 3−4 | 10−11 |
| ultra / 1080p | 2−3 | 6−7 |
| QHD / 1440p | 0−1 | 1−2 |
| low / 720p | 14−16 | 24−27 |
| medium / 1080p | 5−6 | 12−14 |
| The average gaming FPS of GeForce 945M in Assassin's Creed Odyssey is 116% more, than GeForce 840A. | ||
| high / 1080p | − | 16−18 |
| ultra / 1080p | 7−8 | 14−16 |
| QHD / 1440p | 0−1 | 1−2 |
| low / 720p | 18−20 | 35−40 |
| medium / 1080p | 8−9 | 18−20 |
| The average gaming FPS of GeForce 945M in Battlefield 5 is 109% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 30−35 | − |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 840A and GeForce 945M have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 120−130 | 170−180 |
| medium / 768p | 90−95 | 140−150 |
| ultra / 1080p | 40−45 | 75−80 |
| QHD / 1440p | 24−27 | 40−45 |
| 4K / 2160p | 18−20 | 30−33 |
| high / 768p | 65−70 | 110−120 |
| The average gaming FPS of GeForce 945M in Counter-Strike: Global Offensive is 56% more, than GeForce 840A. | ||
| low / 768p | 80−85 | 55−60 |
| ultra / 1080p | 14−16 | 27−30 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 4% more, than GeForce 945M. | ||
| low / 768p | 75−80 | 95−100 |
| medium / 768p | 50−55 | 75−80 |
| ultra / 1080p | 27−30 | 45−50 |
| The average gaming FPS of GeForce 945M in Dota 2 is 42% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 12−14 |
| ultra / 1080p | − | 12−14 |
| 4K / 2160p | 2−3 | 5−6 |
| low / 720p | 14−16 | 27−30 |
| medium / 1080p | 6−7 | 12−14 |
| The average gaming FPS of GeForce 945M in Far Cry 5 is 114% more, than GeForce 840A. | ||
| high / 1080p | 12−14 | 18−20 |
| ultra / 1080p | 7−8 | 14−16 |
| low / 720p | 50−55 | 80−85 |
| medium / 1080p | 14−16 | 35−40 |
| The average gaming FPS of GeForce 945M in Fortnite is 72% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 18−20 |
| ultra / 1080p | − | 14−16 |
| QHD / 1440p | 0−1 | 5−6 |
| low / 720p | 20−22 | 35−40 |
| medium / 1080p | 9−10 | 21−24 |
| The average gaming FPS of GeForce 945M in Forza Horizon 4 is 116% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 65−70 |
| medium / 768p | − | 60−65 |
| high / 1080p | 8−9 | 21−24 |
| ultra / 1080p | 5−6 | 9−10 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of GeForce 945M in Grand Theft Auto V is 65% more, than GeForce 840A. | ||
| high / 1080p | 3−4 | 7−8 |
| ultra / 1080p | 1−2 | 5−6 |
| 4K / 2160p | 0−1 | 1−2 |
| low / 720p | 8−9 | 20−22 |
| medium / 1080p | 4−5 | 9−10 |
| The average gaming FPS of GeForce 945M in Metro Exodus is 150% more, than GeForce 840A. | ||
| low / 768p | 85−90 | 100−110 |
| high / 1080p | 85−90 | − |
| ultra / 1080p | 80−85 | 90−95 |
| medium / 1080p | 85−90 | 100−105 |
| The average gaming FPS of GeForce 945M in Minecraft is 17% more, than GeForce 840A. | ||
| high / 1080p | − | 18−20 |
| ultra / 1080p | 12−14 | 16−18 |
| low / 720p | 27−30 | 45−50 |
| medium / 1080p | 14−16 | 21−24 |
| The average gaming FPS of GeForce 945M in PLAYERUNKNOWN'S BATTLEGROUNDS is 61% more, than GeForce 840A. | ||
| high / 1080p | − | 12−14 |
| ultra / 1080p | 7−8 | 8−9 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 20−22 |
| medium / 1080p | − | 12−14 |
| The average gaming FPS of GeForce 945M in Red Dead Redemption 2 is 75% more, than GeForce 840A. | ||
| low / 768p | 16−18 | 35−40 |
| medium / 768p | 12−14 | 24−27 |
| high / 1080p | 6−7 | 14−16 |
| ultra / 1080p | 5−6 | 8−9 |
| 4K / 2160p | − | 7−8 |
| The average gaming FPS of GeForce 945M in The Witcher 3: Wild Hunt is 110% more, than GeForce 840A. | ||
| low / 768p | 70−75 | 95−100 |
| medium / 768p | 35−40 | 55−60 |
| ultra / 1080p | 16−18 | 27−30 |
| high / 768p | 30−35 | 45−50 |
| The average gaming FPS of GeForce 945M in World of Tanks is 46% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | GeForce 945M | |
| Architecture | Maxwell | Maxwell |
| Code name | GM108 | GM107 |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 12 March 2015 |
| Pipelines | 384 | 512 |
| Core clock speed | 1029 MHz | 928 MHz |
| Boost Clock | 1124 MHz | 1045 MHz |
| Transistor count | 1,870 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 40.80 |
| Floating-point performance | 863.2 gflops | 953.9 gflops |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 2002 MHz | 2000 MHz |
| Memory bandwidth | 16.02 GB/s | 28.8 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 (11_0) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.5 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | 5.0 | + |
| Bus support | PCI Express 3.0 | |
| Bitcoin / BTC (SHA256) | 107 Mh/s | |
| Laptop size | medium sized | |
| Optimus | + | |
| GPU Boost | 2.0 | |
| GameWorks | + | |
| Check Price |