GeForce 840A vs GeForce 845M
Find out if it is worth upgrading your current GPU setup by comparing GeForce 840A and GeForce 845M. 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 845M. 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 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 840A | GeForce 845M | |
| Power consumption (TDP) | 33 Watt | 45 Watt |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Memory type | DDR3 | DDR3, GDDR5 |
| Maximum RAM amount | 2 GB | 2 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- GeForce 845M has 36% more power consumption, than GeForce 840A.
- Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
- GeForce 840A and GeForce 845M have maximum RAM of 2 GB.
- GeForce 840A is used in Desktops, and GeForce 845M - in Laptops.
- GeForce 840A and GeForce 845M are build with Maxwell architecture.
- Core clock speed of GeForce 845M is 42 MHz higher, than GeForce 840A.
- GeForce 840A and GeForce 845M are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 840A is 2 MHz higher, than GeForce 845M.
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 | 6−7 |
| GeForce 840A and GeForce 845M have the same average FPS in Assassin's Creed Odyssey. | ||
| high / 1080p | − | 10−11 |
| ultra / 1080p | 7−8 | 7−8 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 18−20 | 21−24 |
| medium / 1080p | 8−9 | 10−11 |
| The average gaming FPS of GeForce 845M in Battlefield 5 is 18% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 30−35 | 40−45 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of GeForce 845M in Call of Duty: Warzone is 12% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 130−140 |
| medium / 768p | 90−95 | 100−110 |
| ultra / 1080p | 40−45 | 50−55 |
| QHD / 1440p | 24−27 | 24−27 |
| 4K / 2160p | 18−20 | 12−14 |
| high / 768p | 65−70 | 75−80 |
| The average gaming FPS of GeForce 845M in Counter-Strike: Global Offensive is 9% more, than GeForce 840A. | ||
| low / 768p | 80−85 | 85−90 |
| ultra / 1080p | 14−16 | 21−24 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of GeForce 845M in Cyberpunk 2077 is 13% more, than GeForce 840A. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 50−55 | 50−55 |
| ultra / 1080p | 27−30 | 30−33 |
| The average gaming FPS of GeForce 845M in Dota 2 is 1% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 4−5 |
| ultra / 1080p | − | 4−5 |
| 4K / 2160p | 2−3 | 2−3 |
| low / 720p | 14−16 | 14−16 |
| medium / 1080p | 6−7 | 6−7 |
| GeForce 840A and GeForce 845M have the same average FPS in Far Cry 5. | ||
| high / 1080p | 12−14 | 6−7 |
| ultra / 1080p | 7−8 | 0−1 |
| QHD / 1440p | − | 0−1 |
| low / 720p | 50−55 | 55−60 |
| medium / 1080p | 14−16 | 16−18 |
| The average gaming FPS of GeForce 845M in Fortnite is 3% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 9−10 |
| ultra / 1080p | − | 8−9 |
| QHD / 1440p | 0−1 | 3−4 |
| 4K / 2160p | − | 3−4 |
| low / 720p | 20−22 | 21−24 |
| medium / 1080p | 9−10 | 10−12 |
| The average gaming FPS of GeForce 845M in Forza Horizon 4 is 16% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 8−9 | 10−11 |
| ultra / 1080p | 5−6 | 4−5 |
| QHD / 1440p | 0−1 | − |
| medium / 720p | 40−45 | 40−45 |
| The average gaming FPS of GeForce 845M in Grand Theft Auto V is 3% more, than GeForce 840A. | ||
| high / 1080p | 3−4 | 3−4 |
| ultra / 1080p | 1−2 | 1−2 |
| 4K / 2160p | 0−1 | − |
| low / 720p | 8−9 | 10−11 |
| medium / 1080p | 4−5 | 4−5 |
| The average gaming FPS of GeForce 845M in Metro Exodus is 25% more, than GeForce 840A. | ||
| low / 768p | 85−90 | 90−95 |
| high / 1080p | 85−90 | 65−70 |
| ultra / 1080p | 80−85 | − |
| medium / 1080p | 85−90 | 90−95 |
| The average gaming FPS of GeForce 840A in Minecraft is 3% more, than GeForce 845M. | ||
| high / 1080p | − | 5−6 |
| ultra / 1080p | 12−14 | 1−2 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 27−30 | 27−30 |
| medium / 1080p | 14−16 | 9−10 |
| The average gaming FPS of GeForce 840A in PLAYERUNKNOWN'S BATTLEGROUNDS is 38% more, than GeForce 845M. | ||
| ultra / 1080p | 7−8 | − |
| QHD / 1440p | 0−1 | − |
| low / 720p | 8−9 | 10−11 |
| medium / 1080p | − | 8−9 |
| The average gaming FPS of GeForce 845M in Red Dead Redemption 2 is 25% more, than GeForce 840A. | ||
| low / 768p | 16−18 | 20−22 |
| medium / 768p | 12−14 | 12−14 |
| high / 1080p | 6−7 | 6−7 |
| ultra / 1080p | 5−6 | 4−5 |
| 4K / 2160p | − | 3−4 |
| The average gaming FPS of GeForce 845M in The Witcher 3: Wild Hunt is 10% more, than GeForce 840A. | ||
| low / 768p | 70−75 | 75−80 |
| medium / 768p | 35−40 | 40−45 |
| ultra / 1080p | 16−18 | 16−18 |
| high / 768p | 30−35 | 30−35 |
| The average gaming FPS of GeForce 845M in World of Tanks is 7% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | GeForce 845M | |
| Architecture | Maxwell | Maxwell |
| Code name | GM108 | GM108 |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 12 March 2014 |
| Pipelines | 384 | 384 |
| Core clock speed | 1029 MHz | 1071 MHz |
| Boost Clock | 1124 MHz | 1150 MHz |
| Transistor count | 1,870 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 37.63 |
| Floating-point performance | 863.2 gflops | 883.7 gflops |
| Memory bus width | 64 Bit | 64/128 Bit |
| Memory clock speed | 2002 MHz | 2000 - 5000 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 | 4.6 | 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 | + | |
| Check Price |