GeForce 820A vs GeForce GTX 770M SLI
Find out if it is worth upgrading your current GPU setup by comparing GeForce 820A and GeForce GTX 770M SLI. 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 820A and GeForce GTX 770M SLI. 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 820A
GeForce GTX 770M SLI is a Laptop Graphics Card
Note: GeForce GTX 770M 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 770M SLI here:
Main Specs
| GeForce 820A | GeForce GTX 770M SLI | |
| Power consumption (TDP) | 15 Watt | 150 Watt |
| Interface | PCIe 2.0 x16 | |
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 1 GB | 2x 3 GB |
| Display Connectors | No outputs | |
| Check Price |
- GeForce GTX 770M SLI has 900% more power consumption, than GeForce 820A.
- GeForce GTX 770M SLI has 1 GB more memory, than GeForce 820A.
- GeForce 820A is used in Desktops, and GeForce GTX 770M SLI - in Laptops.
- GeForce 820A is build with Fermi 2.0 architecture, and GeForce GTX 770M SLI - with Kepler.
- Core clock speed of GeForce GTX 770M SLI is 36 MHz higher, than GeForce 820A.
- GeForce 820A and GeForce GTX 770M SLI are manufactured by 28 nm process technology.
- Memory clock speed of GeForce GTX 770M SLI is 2200 MHz higher, than GeForce 820A.
Game benchmarks
| high / 1080p | 0−1 | 24−27 |
| ultra / 1080p | − | 14−16 |
| QHD / 1440p | 0−1 | 10−11 |
| 4K / 2160p | − | 6−7 |
| low / 720p | 1−2 | 45−50 |
| medium / 1080p | 0−1 | 30−35 |
| The average gaming FPS of GeForce GTX 770M SLI in Assassin's Creed Odyssey is 4600% more, than GeForce 820A. | ||
| high / 1080p | − | 40−45 |
| ultra / 1080p | − | 30−35 |
| QHD / 1440p | 0−1 | 18−20 |
| 4K / 2160p | − | 10−12 |
| low / 720p | 0−1 | 80−85 |
| medium / 1080p | − | 45−50 |
| low / 768p | 50−55 | 50−55 |
| high / 1080p | 45−50 | − |
| QHD / 1440p | 0−1 | 0−1 |
| GeForce 820A and GeForce GTX 770M SLI have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 60−65 | 240−250 |
| medium / 768p | 27−30 | 210−220 |
| ultra / 1080p | 7−8 | 140−150 |
| QHD / 1440p | − | 110−120 |
| 4K / 2160p | − | 60−65 |
| high / 768p | 16−18 | 180−190 |
| The average gaming FPS of GeForce GTX 770M SLI in Counter-Strike: Global Offensive is 603% more, than GeForce 820A. | ||
| low / 768p | 70−75 | 60−65 |
| ultra / 1080p | 0−1 | − |
| medium / 1080p | 45−50 | 55−60 |
| GeForce 820A and GeForce GTX 770M SLI have the same average FPS in Cyberpunk 2077. | ||
| low / 768p | 45−50 | 120−130 |
| medium / 768p | 10−11 | 110−120 |
| ultra / 1080p | 0−1 | 90−95 |
| The average gaming FPS of GeForce GTX 770M SLI in Dota 2 is 313% more, than GeForce 820A. | ||
| high / 1080p | − | 30−35 |
| ultra / 1080p | − | 27−30 |
| QHD / 1440p | − | 21−24 |
| 4K / 2160p | − | 10−11 |
| low / 720p | 0−1 | 60−65 |
| medium / 1080p | − | 30−35 |
| high / 1080p | − | 40−45 |
| ultra / 1080p | − | 30−35 |
| QHD / 1440p | − | 18−20 |
| low / 720p | 21−24 | 140−150 |
| medium / 1080p | 0−1 | 85−90 |
| The average gaming FPS of GeForce GTX 770M SLI in Fortnite is 559% more, than GeForce 820A. | ||
| high / 1080p | 0−1 | 40−45 |
| ultra / 1080p | − | 30−35 |
| QHD / 1440p | 0−1 | 18−20 |
| 4K / 2160p | − | 16−18 |
| low / 720p | 0−1 | 80−85 |
| medium / 1080p | 0−1 | 45−50 |
| low / 768p | 18−20 | 110−120 |
| medium / 768p | − | 100−110 |
| high / 1080p | 0−1 | 50−55 |
| ultra / 1080p | − | 21−24 |
| QHD / 1440p | 0−1 | 10−12 |
| medium / 720p | 12−14 | − |
| The average gaming FPS of GeForce GTX 770M SLI in Grand Theft Auto V is 505% more, than GeForce 820A. | ||
| high / 1080p | − | 16−18 |
| ultra / 1080p | − | 12−14 |
| QHD / 1440p | − | 12−14 |
| 4K / 2160p | − | 4−5 |
| low / 720p | 0−1 | 45−50 |
| medium / 1080p | − | 21−24 |
| low / 768p | 75−80 | 120−130 |
| high / 1080p | 27−30 | − |
| medium / 1080p | − | 110−120 |
| The average gaming FPS of GeForce GTX 770M SLI in Minecraft is 62% more, than GeForce 820A. | ||
| ultra / 1080p | − | 14−16 |
| low / 720p | 8−9 | 80−85 |
| medium / 1080p | − | 18−20 |
| The average gaming FPS of GeForce GTX 770M SLI in PLAYERUNKNOWN'S BATTLEGROUNDS is 925% more, than GeForce 820A. | ||
| high / 1080p | − | 18−20 |
| ultra / 1080p | − | 12−14 |
| QHD / 1440p | − | 4−5 |
| 4K / 2160p | − | 3−4 |
| low / 720p | 0−1 | 45−50 |
| medium / 1080p | − | 24−27 |
| low / 768p | 0−1 | 90−95 |
| medium / 768p | − | 55−60 |
| high / 1080p | − | 30−35 |
| ultra / 1080p | − | 18−20 |
| 4K / 2160p | − | 10−11 |
| low / 768p | 45−50 | 90−95 |
| medium / 768p | 14−16 | 60−65 |
| ultra / 1080p | 0−1 | 45−50 |
| high / 768p | 12−14 | 55−60 |
| The average gaming FPS of GeForce GTX 770M SLI in World of Tanks is 180% more, than GeForce 820A. | ||
Full Specs
| GeForce 820A | GeForce GTX 770M SLI | |
| Architecture | Fermi 2.0 | Kepler |
| Code name | GF117 | |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 30 May 2013 |
| Pipelines | 96 | 1920 |
| Core clock speed | 775 MHz | 811 MHz |
| Transistor count | 585 million | 2x 2540 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 192 Bit |
| Memory clock speed | 1800 MHz | 4000 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 | + |
| SLI options | + | |
| Laptop size | large | |
| Optimus | + | |
| Check Price |