GeForce 820A vs Radeon HD 8870M
When choosing between GeForce 820A and Radeon HD 8870M, 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 Radeon HD 8870M.
GeForce 820A
Radeon HD 8870M is a Laptop Graphics Card
Note: Radeon HD 8870M 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 Radeon HD 8870M here:
Main Specs
| GeForce 820A | Radeon HD 8870M | |
| Power consumption (TDP) | 15 Watt | |
| Interface | PCIe 2.0 x16 | PCIe 3.0 x16 |
| Memory type | DDR3 | GDDR5, DDR3 |
| Maximum RAM amount | 1 GB | 2 GB |
| Display Connectors | No outputs | No outputs |
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- GeForce 820A is connected by PCIe 2.0 x16, and Radeon HD 8870M uses PCIe 3.0 x16 interface.
- Radeon HD 8870M has 1 GB more memory, than GeForce 820A.
- GeForce 820A is used in Desktops, and Radeon HD 8870M - in Laptops.
- GeForce 820A is build with Fermi 2.0 architecture, and Radeon HD 8870M - with GCN.
- Core clock speed of GeForce 820A is 50 MHz higher, than Radeon HD 8870M.
- GeForce 820A and Radeon HD 8870M are manufactured by 28 nm process technology.
- Memory clock speed of Radeon HD 8870M is 2700 MHz higher, than GeForce 820A.
Game benchmarks
| high / 1080p | 0−1 | 7−8 |
| ultra / 1080p | − | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 1−2 | 18−20 |
| medium / 1080p | 0−1 | 9−10 |
| The average gaming FPS of Radeon HD 8870M in Assassin's Creed Odyssey is 1800% more, than GeForce 820A. | ||
| high / 1080p | − | 12−14 |
| ultra / 1080p | − | 10−12 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 0−1 | 27−30 |
| medium / 1080p | − | 14−16 |
| low / 768p | 50−55 | 45−50 |
| high / 1080p | 45−50 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of GeForce 820A in Call of Duty: Warzone is 6% more, than Radeon HD 8870M. | ||
| low / 768p | 60−65 | 140−150 |
| medium / 768p | 27−30 | 110−120 |
| ultra / 1080p | 7−8 | 55−60 |
| QHD / 1440p | − | 30−35 |
| 4K / 2160p | − | 27−30 |
| high / 768p | 16−18 | 85−90 |
| The average gaming FPS of Radeon HD 8870M in Counter-Strike: Global Offensive is 260% more, than GeForce 820A. | ||
| low / 768p | 70−75 | 55−60 |
| ultra / 1080p | 0−1 | 21−24 |
| medium / 1080p | 45−50 | 45−50 |
| The average gaming FPS of GeForce 820A in Cyberpunk 2077 is 15% more, than Radeon HD 8870M. | ||
| low / 768p | 45−50 | 85−90 |
| medium / 768p | 10−11 | 60−65 |
| ultra / 1080p | 0−1 | 35−40 |
| The average gaming FPS of Radeon HD 8870M in Dota 2 is 158% more, than GeForce 820A. | ||
| high / 1080p | − | 9−10 |
| ultra / 1080p | − | 8−9 |
| 4K / 2160p | − | 4−5 |
| low / 720p | 0−1 | 21−24 |
| medium / 1080p | − | 10−11 |
| high / 1080p | − | 16−18 |
| ultra / 1080p | − | 10−12 |
| low / 720p | 21−24 | 65−70 |
| medium / 1080p | 0−1 | 24−27 |
| The average gaming FPS of Radeon HD 8870M in Fortnite is 204% more, than GeForce 820A. | ||
| high / 1080p | 0−1 | 12−14 |
| ultra / 1080p | − | 12−14 |
| QHD / 1440p | 0−1 | 2−3 |
| low / 720p | 0−1 | 27−30 |
| medium / 1080p | 0−1 | 14−16 |
| low / 768p | 18−20 | 55−60 |
| medium / 768p | − | 45−50 |
| high / 1080p | 0−1 | 14−16 |
| ultra / 1080p | − | 7−8 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 12−14 | − |
| The average gaming FPS of Radeon HD 8870M in Grand Theft Auto V is 200% more, than GeForce 820A. | ||
| high / 1080p | − | 5−6 |
| ultra / 1080p | − | 3−4 |
| 4K / 2160p | − | 0−1 |
| low / 720p | 0−1 | 14−16 |
| medium / 1080p | − | 7−8 |
| low / 768p | 75−80 | 95−100 |
| high / 1080p | 27−30 | 90−95 |
| ultra / 1080p | − | 80−85 |
| medium / 1080p | − | 95−100 |
| The average gaming FPS of Radeon HD 8870M in Minecraft is 79% more, than GeForce 820A. | ||
| high / 1080p | − | 16−18 |
| ultra / 1080p | − | 14−16 |
| low / 720p | 8−9 | 35−40 |
| medium / 1080p | − | 18−20 |
| The average gaming FPS of Radeon HD 8870M in PLAYERUNKNOWN'S BATTLEGROUNDS is 362% more, than GeForce 820A. | ||
| ultra / 1080p | − | 8−9 |
| QHD / 1440p | − | 0−1 |
| low / 720p | 0−1 | 14−16 |
| medium / 1080p | − | 10−12 |
| low / 768p | 0−1 | 27−30 |
| medium / 768p | − | 18−20 |
| high / 1080p | − | 10−11 |
| ultra / 1080p | − | 7−8 |
| 4K / 2160p | − | 6−7 |
| low / 768p | 45−50 | 85−90 |
| medium / 768p | 14−16 | 45−50 |
| ultra / 1080p | 0−1 | 21−24 |
| high / 768p | 12−14 | 35−40 |
| The average gaming FPS of Radeon HD 8870M in World of Tanks is 128% more, than GeForce 820A. | ||
Full Specs
| GeForce 820A | Radeon HD 8870M | |
| Architecture | Fermi 2.0 | GCN |
| Code name | GF117 | Venus |
| Type | Desktop | Laptop |
| Release date | 17 March 2014 | 18 December 2012 |
| Pipelines | 96 | 640 |
| Core clock speed | 775 MHz | 725 MHz |
| Boost Clock | 775 MHz | |
| Transistor count | 585 million | 1,500 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 12.40 | 31.00 |
| Floating-point performance | 297.6 gflops | 992.0 gflops |
| Memory bus width | 64 Bit | 128 Bit |
| Memory clock speed | 1800 MHz | 4500 MHz |
| Memory bandwidth | 14.4 GB/s | 72 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_0) | 12 (11_1) |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.1 | 1.2 |
| Vulkan | N/A | 1.2.131 |
| CUDA | 2.1 | |
| Bitcoin / BTC (SHA256) | 107 Mh/s | |
| Laptop size | large | |
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