GeForce 820A vs GeForce GT 755M SLI
When choosing between GeForce 820A and GeForce GT 755M 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 820A and GeForce GT 755M SLI.
GeForce 820A
GeForce GT 755M SLI is a Laptop Graphics Card
Note: GeForce GT 755M 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 GT 755M SLI here:
Main Specs
| GeForce 820A | GeForce GT 755M SLI | |
| Power consumption (TDP) | 15 Watt | 2x ~50 Watt |
| Interface | PCIe 2.0 x16 | |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 1 GB | 2x 2 GB |
| Display Connectors | No outputs | |
| Check Price |
- GeForce 820A has 650% more power consumption, than GeForce GT 755M SLI.
- GeForce GT 755M SLI has 1 GB more memory, than GeForce 820A.
- GeForce 820A is used in Desktops, and GeForce GT 755M SLI - in Laptops.
- GeForce 820A is build with Fermi 2.0 architecture, and GeForce GT 755M SLI - with Kepler.
- Core clock speed of GeForce GT 755M SLI is 205 MHz higher, than GeForce 820A.
- GeForce 820A and GeForce GT 755M SLI are manufactured by 28 nm process technology.
- Memory clock speed of GeForce GT 755M SLI is 3600 MHz higher, than GeForce 820A.
Game benchmarks
| high / 1080p | 0−1 | 14−16 |
| ultra / 1080p | − | 8−9 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 1−2 | 30−35 |
| medium / 1080p | 0−1 | 18−20 |
| The average gaming FPS of GeForce GT 755M SLI in Assassin's Creed Odyssey is 3100% more, than GeForce 820A. | ||
| high / 1080p | − | 21−24 |
| ultra / 1080p | − | 18−20 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 0−1 | 50−55 |
| medium / 1080p | − | 24−27 |
| low / 768p | 50−55 | 50−55 |
| high / 1080p | 45−50 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 820A and GeForce GT 755M SLI have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 60−65 | 200−210 |
| medium / 768p | 27−30 | 170−180 |
| ultra / 1080p | 7−8 | 90−95 |
| QHD / 1440p | − | 50−55 |
| 4K / 2160p | − | 24−27 |
| high / 768p | 16−18 | 140−150 |
| The average gaming FPS of GeForce GT 755M SLI in Counter-Strike: Global Offensive is 450% more, than GeForce 820A. | ||
| low / 768p | 70−75 | 60−65 |
| ultra / 1080p | 0−1 | 40−45 |
| medium / 1080p | 45−50 | 55−60 |
| GeForce 820A and GeForce GT 755M SLI have the same average FPS in Cyberpunk 2077. | ||
| low / 768p | 45−50 | 110−120 |
| medium / 768p | 10−11 | 95−100 |
| ultra / 1080p | 0−1 | 60−65 |
| The average gaming FPS of GeForce GT 755M SLI in Dota 2 is 265% more, than GeForce 820A. | ||
| high / 1080p | − | 16−18 |
| ultra / 1080p | − | 14−16 |
| 4K / 2160p | − | 5−6 |
| low / 720p | 0−1 | 35−40 |
| medium / 1080p | − | 18−20 |
| high / 1080p | − | 24−27 |
| ultra / 1080p | − | 18−20 |
| QHD / 1440p | − | 12−14 |
| low / 720p | 21−24 | 95−100 |
| medium / 1080p | 0−1 | 50−55 |
| The average gaming FPS of GeForce GT 755M SLI in Fortnite is 340% more, than GeForce 820A. | ||
| high / 1080p | 0−1 | 24−27 |
| ultra / 1080p | − | 18−20 |
| QHD / 1440p | 0−1 | 7−8 |
| low / 720p | 0−1 | 50−55 |
| medium / 1080p | 0−1 | 27−30 |
| low / 768p | 18−20 | 85−90 |
| medium / 768p | − | 75−80 |
| high / 1080p | 0−1 | 27−30 |
| ultra / 1080p | − | 10−12 |
| QHD / 1440p | 0−1 | 1−2 |
| medium / 720p | 12−14 | − |
| The average gaming FPS of GeForce GT 755M SLI in Grand Theft Auto V is 357% more, than GeForce 820A. | ||
| high / 1080p | − | 9−10 |
| ultra / 1080p | − | 7−8 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 0−1 | 27−30 |
| medium / 1080p | − | 12−14 |
| low / 768p | 75−80 | 110−120 |
| high / 1080p | 27−30 | − |
| ultra / 1080p | − | 100−110 |
| medium / 1080p | − | 100−110 |
| The average gaming FPS of GeForce GT 755M SLI in Minecraft is 49% more, than GeForce 820A. | ||
| ultra / 1080p | − | 14−16 |
| low / 720p | 8−9 | 55−60 |
| medium / 1080p | − | 18−20 |
| The average gaming FPS of GeForce GT 755M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 612% more, than GeForce 820A. | ||
| high / 1080p | − | 12−14 |
| ultra / 1080p | − | 8−9 |
| QHD / 1440p | − | 0−1 |
| low / 720p | 0−1 | 27−30 |
| medium / 1080p | − | 16−18 |
| low / 768p | 0−1 | 50−55 |
| medium / 768p | − | 30−35 |
| high / 1080p | − | 18−20 |
| ultra / 1080p | − | 10−11 |
| 4K / 2160p | − | 6−7 |
| low / 768p | 45−50 | 90−95 |
| medium / 768p | 14−16 | 60−65 |
| ultra / 1080p | 0−1 | 30−35 |
| high / 768p | 12−14 | 50−55 |
| The average gaming FPS of GeForce GT 755M SLI in World of Tanks is 176% more, than GeForce 820A. | ||
Full Specs
| GeForce 820A | GeForce GT 755M SLI | |
| Architecture | Fermi 2.0 | Kepler |
| Code name | GF117 | N14P-? |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 1 November 2013 |
| Pipelines | 96 | 768 |
| Core clock speed | 775 MHz | 980 MHz |
| Transistor count | 585 million | 2x 1300 Million |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 12.40 | |
| Floating-point performance | 297.6 gflops | |
| Memory bus width | 64 Bit | 2x 128 Bit |
| Memory clock speed | 1800 MHz | 5400 MHz |
| Memory bandwidth | 14.4 GB/s | |
| Shared memory | - | |
| DirectX | 12 (11_0) | DirectX 11, Shader 5.0 |
| Shader Model | 5.1 | |
| OpenGL | 4.6 | |
| OpenCL | 1.1 | |
| Vulkan | N/A | |
| CUDA | 2.1 | + |
| Laptop size | large | |
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