GeForce 840A vs GeForce GTX 675MX
When choosing between GeForce 840A and GeForce GTX 675MX, 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 840A and GeForce GTX 675MX.
GeForce 840A
GeForce GTX 675MX is a Laptop Graphics Card
Note: GeForce GTX 675MX 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 GTX 675MX here:
Main Specs
| GeForce 840A | GeForce GTX 675MX | |
| Power consumption (TDP) | 33 Watt | 100 Watt |
| Interface | PCIe 3.0 x8 | MXM-B (3.0) |
| Supplementary power connectors | None | |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 2 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- GeForce GTX 675MX has 203% more power consumption, than GeForce 840A.
- GeForce 840A is connected by PCIe 3.0 x8, and GeForce GTX 675MX uses MXM-B (3.0) interface.
- GeForce 840A and GeForce GTX 675MX have maximum RAM of 2 GB.
- GeForce 840A is used in Desktops, and GeForce GTX 675MX - in Laptops.
- GeForce 840A is build with Maxwell architecture, and GeForce GTX 675MX - with Kepler.
- Core clock speed of GeForce 840A is 429 MHz higher, than GeForce GTX 675MX.
- GeForce 840A and GeForce GTX 675MX are manufactured by 28 nm process technology.
- Memory clock speed of GeForce 840A is 202 MHz higher, than GeForce GTX 675MX.
Game benchmarks
| high / 1080p | 3−4 | 9−10 |
| ultra / 1080p | 2−3 | 5−6 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 14−16 | 21−24 |
| medium / 1080p | 5−6 | 12−14 |
| The average gaming FPS of GeForce GTX 675MX in Assassin's Creed Odyssey is 100% more, than GeForce 840A. | ||
| high / 1080p | − | 16−18 |
| ultra / 1080p | 7−8 | 14−16 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 18−20 | 30−35 |
| medium / 1080p | 8−9 | 16−18 |
| The average gaming FPS of GeForce GTX 675MX in Battlefield 5 is 90% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 30−35 | − |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 840A and GeForce GTX 675MX have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 120−130 | 160−170 |
| medium / 768p | 90−95 | 130−140 |
| ultra / 1080p | 40−45 | 70−75 |
| QHD / 1440p | 24−27 | 40−45 |
| 4K / 2160p | 18−20 | 30−33 |
| high / 768p | 65−70 | 100−110 |
| The average gaming FPS of GeForce GTX 675MX in Counter-Strike: Global Offensive is 46% 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 GTX 675MX. | ||
| low / 768p | 75−80 | 90−95 |
| medium / 768p | 50−55 | 70−75 |
| ultra / 1080p | 27−30 | 45−50 |
| The average gaming FPS of GeForce GTX 675MX in Dota 2 is 34% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 10−12 |
| ultra / 1080p | − | 10−11 |
| 4K / 2160p | 2−3 | 4−5 |
| low / 720p | 14−16 | 24−27 |
| medium / 1080p | 6−7 | 12−14 |
| The average gaming FPS of GeForce GTX 675MX in Far Cry 5 is 85% more, than GeForce 840A. | ||
| high / 1080p | 12−14 | 18−20 |
| ultra / 1080p | 7−8 | 12−14 |
| low / 720p | 50−55 | 70−75 |
| medium / 1080p | 14−16 | 30−35 |
| The average gaming FPS of GeForce GTX 675MX in Fortnite is 54% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 16−18 |
| ultra / 1080p | − | 14−16 |
| QHD / 1440p | 0−1 | 4−5 |
| low / 720p | 20−22 | 35−40 |
| medium / 1080p | 9−10 | 18−20 |
| The average gaming FPS of GeForce GTX 675MX in Forza Horizon 4 is 100% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 65−70 |
| medium / 768p | − | 55−60 |
| high / 1080p | 8−9 | 18−20 |
| ultra / 1080p | 5−6 | 8−9 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of GeForce GTX 675MX in Grand Theft Auto V is 55% more, than GeForce 840A. | ||
| high / 1080p | 3−4 | 6−7 |
| ultra / 1080p | 1−2 | 4−5 |
| 4K / 2160p | 0−1 | 1−2 |
| low / 720p | 8−9 | 18−20 |
| medium / 1080p | 4−5 | 8−9 |
| The average gaming FPS of GeForce GTX 675MX in Metro Exodus is 125% more, than GeForce 840A. | ||
| low / 768p | 85−90 | 100−110 |
| high / 1080p | 85−90 | − |
| ultra / 1080p | 80−85 | 90−95 |
| medium / 1080p | 85−90 | 95−100 |
| The average gaming FPS of GeForce GTX 675MX in Minecraft is 15% more, than GeForce 840A. | ||
| high / 1080p | − | 18−20 |
| ultra / 1080p | 12−14 | 14−16 |
| low / 720p | 27−30 | 40−45 |
| medium / 1080p | 14−16 | 20−22 |
| The average gaming FPS of GeForce GTX 675MX in PLAYERUNKNOWN'S BATTLEGROUNDS is 44% more, than GeForce 840A. | ||
| high / 1080p | − | 12−14 |
| ultra / 1080p | 7−8 | 8−9 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 18−20 |
| medium / 1080p | − | 12−14 |
| The average gaming FPS of GeForce GTX 675MX in Red Dead Redemption 2 is 62% more, than GeForce 840A. | ||
| low / 768p | 16−18 | 35−40 |
| medium / 768p | 12−14 | 21−24 |
| high / 1080p | 6−7 | 12−14 |
| ultra / 1080p | 5−6 | 8−9 |
| 4K / 2160p | − | 7−8 |
| The average gaming FPS of GeForce GTX 675MX in The Witcher 3: Wild Hunt is 100% more, than GeForce 840A. | ||
| low / 768p | 70−75 | 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 GTX 675MX in World of Tanks is 35% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | GeForce GTX 675MX | |
| Architecture | Maxwell | Kepler |
| Code name | GM108 | N13E-GSR |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 1 October 2012 |
| Pipelines | 384 | 960 |
| Core clock speed | 1029 MHz | 600 MHz |
| Boost Clock | 1124 MHz | |
| Transistor count | 3,540 million | |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 17.98 | 48.0 billion/sec |
| Floating-point performance | 863.2 gflops | 1,256 gflops |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 2002 MHz | 1800 MHz |
| Memory bandwidth | 16.02 GB/s | 115.2 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 API |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.5 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | 1.1.126 | 1.1.126 |
| CUDA | 5.0 | + |
| CUDA cores | 960 | |
| Bus support | PCI Express 2.0 | |
| SLI options | + | |
| HDMI | + | |
| HDCP | + | |
| Maximum VGA resolution | Up to 2048x1536 | |
| Bitcoin / BTC (SHA256) | 63 Mh/s | |
| Laptop size | large | |
| Optimus | + | |
| Check Price |