GeForce 840A vs GeForce GTX 675M SLI
When choosing between GeForce 840A and GeForce GTX 675M SLI, 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 675M SLI.
GeForce 840A
GeForce GTX 675M SLI is a Laptop Graphics Card
Note: GeForce GTX 675M SLI 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 675M SLI here:
Main Specs
| GeForce 840A | GeForce GTX 675M SLI | |
| Power consumption (TDP) | 33 Watt | 2x 100 Watt |
| Interface | PCIe 3.0 x8 | |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | |
| Display Connectors | No outputs | |
| Check Price |
- GeForce 840A has 1550% more power consumption, than GeForce GTX 675M SLI.
- GeForce 840A is used in Desktops, and GeForce GTX 675M SLI - in Laptops.
- GeForce 840A is build with Maxwell architecture, and GeForce GTX 675M SLI - with Fermi.
- Core clock speed of GeForce 840A is 409 MHz higher, than GeForce GTX 675M SLI.
- GeForce 840A is manufactured by 28 nm process technology, and GeForce GTX 675M SLI - by 40 nm process technology.
- Memory clock speed of GeForce GTX 675M SLI is 998 MHz higher, than GeForce 840A.
Game benchmarks
| high / 1080p | 3−4 | 18−20 |
| ultra / 1080p | 2−3 | 10−12 |
| QHD / 1440p | 0−1 | 5−6 |
| 4K / 2160p | − | 4−5 |
| low / 720p | 14−16 | 35−40 |
| medium / 1080p | 5−6 | 24−27 |
| The average gaming FPS of GeForce GTX 675M SLI in Assassin's Creed Odyssey is 283% more, than GeForce 840A. | ||
| high / 1080p | − | 30−33 |
| ultra / 1080p | 7−8 | 24−27 |
| QHD / 1440p | 0−1 | 10−11 |
| 4K / 2160p | − | 7−8 |
| low / 720p | 18−20 | 60−65 |
| medium / 1080p | 8−9 | 30−35 |
| The average gaming FPS of GeForce GTX 675M SLI in Battlefield 5 is 263% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 50−55 |
| high / 1080p | 30−35 | − |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of GeForce GTX 675M SLI in Call of Duty: Warzone is 10% more, than GeForce 840A. | ||
| low / 768p | 120−130 | 220−230 |
| medium / 768p | 90−95 | 190−200 |
| ultra / 1080p | 40−45 | 110−120 |
| QHD / 1440p | 24−27 | 80−85 |
| 4K / 2160p | 18−20 | 40−45 |
| high / 768p | 65−70 | 160−170 |
| The average gaming FPS of GeForce GTX 675M SLI in Counter-Strike: Global Offensive is 120% more, than GeForce 840A. | ||
| low / 768p | 80−85 | 60−65 |
| ultra / 1080p | 14−16 | 45−50 |
| medium / 1080p | 40−45 | 55−60 |
| The average gaming FPS of GeForce GTX 675M SLI in Cyberpunk 2077 is 19% more, than GeForce 840A. | ||
| low / 768p | 75−80 | 110−120 |
| medium / 768p | 50−55 | 100−110 |
| ultra / 1080p | 27−30 | 75−80 |
| The average gaming FPS of GeForce GTX 675M SLI in Dota 2 is 90% more, than GeForce 840A. | ||
| high / 1080p | 5−6 | 21−24 |
| ultra / 1080p | − | 21−24 |
| QHD / 1440p | − | 18−20 |
| 4K / 2160p | 2−3 | 7−8 |
| low / 720p | 14−16 | 50−55 |
| medium / 1080p | 6−7 | 24−27 |
| The average gaming FPS of GeForce GTX 675M SLI in Far Cry 5 is 285% more, than GeForce 840A. | ||
| high / 1080p | 12−14 | 30−35 |
| ultra / 1080p | 7−8 | 21−24 |
| QHD / 1440p | − | 14−16 |
| low / 720p | 50−55 | 110−120 |
| medium / 1080p | 14−16 | 65−70 |
| The average gaming FPS of GeForce GTX 675M SLI in Fortnite is 168% more, than GeForce 840A. | ||
| high / 1080p | 7−8 | 30−35 |
| ultra / 1080p | − | 24−27 |
| QHD / 1440p | 0−1 | 12−14 |
| 4K / 2160p | − | 12−14 |
| low / 720p | 20−22 | 65−70 |
| medium / 1080p | 9−10 | 35−40 |
| The average gaming FPS of GeForce GTX 675M SLI in Forza Horizon 4 is 275% more, than GeForce 840A. | ||
| low / 768p | 45−50 | 100−105 |
| medium / 768p | − | 90−95 |
| high / 1080p | 8−9 | 35−40 |
| ultra / 1080p | 5−6 | 14−16 |
| QHD / 1440p | 0−1 | 6−7 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of GeForce GTX 675M SLI in Grand Theft Auto V is 155% more, than GeForce 840A. | ||
| high / 1080p | 3−4 | 12−14 |
| ultra / 1080p | 1−2 | 9−10 |
| 4K / 2160p | 0−1 | 2−3 |
| low / 720p | 8−9 | 35−40 |
| medium / 1080p | 4−5 | 16−18 |
| The average gaming FPS of GeForce GTX 675M SLI in Metro Exodus is 375% more, than GeForce 840A. | ||
| low / 768p | 85−90 | 110−120 |
| high / 1080p | 85−90 | − |
| ultra / 1080p | 80−85 | − |
| medium / 1080p | 85−90 | 110−120 |
| The average gaming FPS of GeForce GTX 675M SLI in Minecraft is 32% more, than GeForce 840A. | ||
| ultra / 1080p | 12−14 | 14−16 |
| low / 720p | 27−30 | 65−70 |
| medium / 1080p | 14−16 | 18−20 |
| The average gaming FPS of GeForce GTX 675M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 83% more, than GeForce 840A. | ||
| high / 1080p | − | 14−16 |
| ultra / 1080p | 7−8 | 10−11 |
| QHD / 1440p | 0−1 | 1−2 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 8−9 | 35−40 |
| medium / 1080p | − | 20−22 |
| The average gaming FPS of GeForce GTX 675M SLI in Red Dead Redemption 2 is 200% more, than GeForce 840A. | ||
| low / 768p | 16−18 | 70−75 |
| medium / 768p | 12−14 | 40−45 |
| high / 1080p | 6−7 | 24−27 |
| ultra / 1080p | 5−6 | 12−14 |
| 4K / 2160p | − | 7−8 |
| The average gaming FPS of GeForce GTX 675M SLI in The Witcher 3: Wild Hunt is 280% more, than GeForce 840A. | ||
| low / 768p | 70−75 | 90−95 |
| medium / 768p | 35−40 | 60−65 |
| ultra / 1080p | 16−18 | 40−45 |
| high / 768p | 30−35 | 55−60 |
| The average gaming FPS of GeForce GTX 675M SLI in World of Tanks is 61% more, than GeForce 840A. | ||
Full Specs
| GeForce 840A | GeForce GTX 675M SLI | |
| Architecture | Maxwell | Fermi |
| Code name | GM108 | N12E-GTX2 |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 6 January 2011 |
| Pipelines | 384 | 768 |
| Core clock speed | 1029 MHz | 620 MHz |
| Boost Clock | 1124 MHz | |
| Manufacturing process technology | 28 nm | 40 nm |
| Texture fill rate | 17.98 | |
| Floating-point performance | 863.2 gflops | |
| Memory bus width | 64 Bit | 256 Bit |
| Memory clock speed | 2002 MHz | 3000 MHz |
| Memory bandwidth | 16.02 GB/s | |
| Shared memory | - | |
| DirectX | 12 (11_0) | DirectX 11, Shader 5.0 |
| Shader Model | 5.1 | |
| OpenGL | 4.6 | |
| OpenCL | 1.2 | |
| Vulkan | 1.1.126 | |
| CUDA | 5.0 | + |
| SLI options | + | |
| Laptop size | large | |
| Optimus | + | |
| Check Price |