GeForce 830M vs GeForce 840A
Find out if it is worth upgrading your current GPU setup by comparing GeForce 830M and GeForce 840A. 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 830M and GeForce 840A. 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 830M is a Laptop Graphics Card
Note: GeForce 830M 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 830M here:
Main Specs
| GeForce 830M | GeForce 840A | |
| Power consumption (TDP) | 33 Watt | 33 Watt |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Memory type | DDR3 | 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 33 Watt.
- Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
- GeForce 830M and GeForce 840A have maximum RAM of 2 GB.
- GeForce 830M is used in Laptops, and GeForce 840A - in Desktops.
- GeForce 830M and GeForce 840A are build with Maxwell architecture.
- Both graphics cards have the same core clock speed.
- GeForce 830M and GeForce 840A are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 840A is 202 MHz higher, than GeForce 830M.
Game benchmarks
| high / 1080p | 2−3 | 3−4 |
| ultra / 1080p | 0−1 | 2−3 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 12−14 | 14−16 |
| medium / 1080p | 3−4 | 5−6 |
| The average gaming FPS of GeForce 840A in Assassin's Creed Odyssey is 33% more, than GeForce 830M. | ||
| ultra / 1080p | 5−6 | 7−8 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 14−16 | 18−20 |
| medium / 1080p | 6−7 | 8−9 |
| The average gaming FPS of GeForce 840A in Battlefield 5 is 22% more, than GeForce 830M. | ||
| low / 768p | 50−55 | 45−50 |
| high / 1080p | 40−45 | 30−35 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of GeForce 830M in Call of Duty: Warzone is 17% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 120−130 |
| medium / 768p | 90−95 | 90−95 |
| ultra / 1080p | 35−40 | 40−45 |
| QHD / 1440p | 21−24 | 24−27 |
| 4K / 2160p | 16−18 | 18−20 |
| high / 768p | 65−70 | 65−70 |
| The average gaming FPS of GeForce 840A in Counter-Strike: Global Offensive is 3% more, than GeForce 830M. | ||
| low / 768p | 65−70 | 80−85 |
| ultra / 1080p | 18−20 | 14−16 |
| medium / 1080p | 45−50 | 40−45 |
| The average gaming FPS of GeForce 840A in Cyberpunk 2077 is 4% more, than GeForce 830M. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 45−50 | 50−55 |
| ultra / 1080p | 20−22 | 27−30 |
| The average gaming FPS of GeForce 840A in Dota 2 is 8% more, than GeForce 830M. | ||
| high / 1080p | 2−3 | 5−6 |
| ultra / 1080p | 2−3 | − |
| 4K / 2160p | 2−3 | 2−3 |
| low / 720p | 10−12 | 14−16 |
| medium / 1080p | 3−4 | 6−7 |
| The average gaming FPS of GeForce 840A in Far Cry 5 is 75% more, than GeForce 830M. | ||
| high / 1080p | 10−11 | 12−14 |
| ultra / 1080p | 5−6 | 7−8 |
| QHD / 1440p | 3−4 | − |
| low / 720p | 50−55 | 50−55 |
| medium / 1080p | 10−11 | 14−16 |
| The average gaming FPS of GeForce 840A in Fortnite is 15% more, than GeForce 830M. | ||
| high / 1080p | 5−6 | 7−8 |
| QHD / 1440p | 3−4 | 0−1 |
| 4K / 2160p | 2−3 | − |
| low / 720p | 16−18 | 20−22 |
| medium / 1080p | 8−9 | 9−10 |
| The average gaming FPS of GeForce 840A in Forza Horizon 4 is 20% more, than GeForce 830M. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 4−5 | 8−9 |
| ultra / 1080p | 2−3 | 5−6 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 35−40 | 40−45 |
| The average gaming FPS of GeForce 840A in Grand Theft Auto V is 13% more, than GeForce 830M. | ||
| high / 1080p | 1−2 | 3−4 |
| ultra / 1080p | 0−1 | 1−2 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 4−5 | 8−9 |
| medium / 1080p | 3−4 | 4−5 |
| The average gaming FPS of GeForce 840A in Metro Exodus is 66% more, than GeForce 830M. | ||
| low / 768p | 90−95 | 85−90 |
| high / 1080p | 80−85 | 85−90 |
| ultra / 1080p | 70−75 | 80−85 |
| medium / 1080p | 85−90 | 85−90 |
| The average gaming FPS of GeForce 840A in Minecraft is 3% more, than GeForce 830M. | ||
| ultra / 1080p | 12−14 | 12−14 |
| low / 720p | 27−30 | 27−30 |
| medium / 1080p | 14−16 | 14−16 |
| GeForce 830M and GeForce 840A have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS. | ||
| ultra / 1080p | − | 7−8 |
| QHD / 1440p | − | 0−1 |
| low / 720p | 6−7 | 8−9 |
| The average gaming FPS of GeForce 840A in Red Dead Redemption 2 is 33% more, than GeForce 830M. | ||
| low / 768p | 9−10 | 16−18 |
| medium / 768p | 8−9 | 12−14 |
| high / 1080p | 4−5 | 6−7 |
| ultra / 1080p | 3−4 | 5−6 |
| 4K / 2160p | 1−2 | − |
| The average gaming FPS of GeForce 840A in The Witcher 3: Wild Hunt is 66% more, than GeForce 830M. | ||
| low / 768p | 70−75 | 70−75 |
| medium / 768p | 35−40 | 35−40 |
| ultra / 1080p | 14−16 | 16−18 |
| high / 768p | 30−35 | 30−35 |
| GeForce 830M and GeForce 840A have the same average FPS in World of Tanks. | ||
Full Specs
| GeForce 830M | GeForce 840A | |
| Architecture | Maxwell | Maxwell |
| Code name | N15? | GM108 |
| Type | Laptop | Desktop |
| Release date | 12 March 2014 | 17 March 2014 |
| Pipelines | 256 | 384 |
| Core clock speed | 1029 MHz | 1029 MHz |
| Boost Clock | 1150 MHz | 1124 MHz |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 18.40 | 17.98 |
| Floating-point performance | 588.8 gflops | 863.2 gflops |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 1800 MHz | 2002 MHz |
| Memory bandwidth | 14.4 GB/s | 16.02 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) | 67 Mh/s | |
| Optimus | + | |
| GPU Boost | 2.0 | |
| GameWorks | + | |
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