Radeon 550X vs Radeon HD 8770M
If you are going to buy a new graphics card and are choosing between Radeon 550X and Radeon HD 8770M, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Radeon 550X stacks up against Radeon HD 8770M, check out specs charts below.
Radeon 550X
Radeon HD 8770M is a Laptop Graphics Card
Note: Radeon HD 8770M 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 8770M here:
Main Specs
| Radeon 550X | Radeon HD 8770M | |
| Power consumption (TDP) | 50 Watt | |
| Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Supplementary power connectors | None | |
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 2 GB | 2 GB |
| Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort | No outputs |
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- Both video cards are using PCIe 3.0 x8 interface connection to a motherboard.
- Radeon 550X and Radeon HD 8770M have maximum RAM of 2 GB.
- Radeon 550X is used in Desktops, and Radeon HD 8770M - in Laptops.
- Radeon 550X is build with GCN 4.0 architecture, and Radeon HD 8770M - with GCN.
- Core clock speed of Radeon 550X is 307 MHz higher, than Radeon HD 8770M.
- Radeon 550X is manufactured by 14 nm process technology, and Radeon HD 8770M - by 28 nm process technology.
- Memory clock speed of Radeon 550X is 2500 MHz higher, than Radeon HD 8770M.
Game benchmarks
| high / 1080p | 7−8 | 7−8 |
| ultra / 1080p | 4−5 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 16−18 | 16−18 |
| medium / 1080p | 9−10 | 8−9 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in Assassin's Creed Odyssey. | ||
| high / 1080p | 12−14 | 12−14 |
| ultra / 1080p | 10−12 | 10−11 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 24−27 | 24−27 |
| medium / 1080p | 12−14 | 12−14 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in Battlefield 5. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 45−50 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 140−150 | 140−150 |
| medium / 768p | 110−120 | 110−120 |
| ultra / 1080p | 55−60 | 55−60 |
| QHD / 1440p | 30−35 | 30−33 |
| 4K / 2160p | 27−30 | 27−30 |
| high / 768p | 85−90 | 80−85 |
| The average gaming FPS of Radeon 550X in Counter-Strike: Global Offensive is 1% more, than Radeon HD 8770M. | ||
| low / 768p | 55−60 | 55−60 |
| ultra / 1080p | 20−22 | 20−22 |
| medium / 1080p | 45−50 | 45−50 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in Cyberpunk 2077. | ||
| low / 768p | 80−85 | 80−85 |
| medium / 768p | 60−65 | 60−65 |
| ultra / 1080p | 35−40 | 35−40 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in Dota 2. | ||
| high / 1080p | 8−9 | 8−9 |
| ultra / 1080p | 8−9 | 8−9 |
| 4K / 2160p | 4−5 | 3−4 |
| low / 720p | 20−22 | 18−20 |
| medium / 1080p | 9−10 | 9−10 |
| The average gaming FPS of Radeon 550X in Far Cry 5 is 11% more, than Radeon HD 8770M. | ||
| high / 1080p | 14−16 | 14−16 |
| ultra / 1080p | 10−12 | 10−11 |
| low / 720p | 60−65 | 60−65 |
| medium / 1080p | 24−27 | 24−27 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in Fortnite. | ||
| high / 1080p | 12−14 | 12−14 |
| ultra / 1080p | 10−12 | 10−12 |
| QHD / 1440p | 1−2 | 1−2 |
| low / 720p | 27−30 | 27−30 |
| medium / 1080p | 14−16 | 14−16 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in Forza Horizon 4. | ||
| low / 768p | 55−60 | 50−55 |
| medium / 768p | 45−50 | 45−50 |
| high / 1080p | 12−14 | 12−14 |
| ultra / 1080p | 6−7 | 6−7 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon 550X in Grand Theft Auto V is 6% more, than Radeon HD 8770M. | ||
| high / 1080p | 5−6 | 5−6 |
| ultra / 1080p | 3−4 | 3−4 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 12−14 | 12−14 |
| medium / 1080p | 7−8 | 6−7 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in Metro Exodus. | ||
| low / 768p | 95−100 | 95−100 |
| high / 1080p | 90−95 | 90−95 |
| ultra / 1080p | 80−85 | 80−85 |
| medium / 1080p | 90−95 | 90−95 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in Minecraft. | ||
| high / 1080p | 16−18 | 16−18 |
| ultra / 1080p | 14−16 | 14−16 |
| low / 720p | 30−35 | 30−35 |
| medium / 1080p | 18−20 | 18−20 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS. | ||
| ultra / 1080p | 7−8 | 7−8 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 12−14 | 12−14 |
| medium / 1080p | 10−12 | 10−12 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in Red Dead Redemption 2. | ||
| low / 768p | 24−27 | 24−27 |
| medium / 768p | 16−18 | 16−18 |
| high / 1080p | 10−11 | 9−10 |
| ultra / 1080p | 6−7 | 6−7 |
| 4K / 2160p | 6−7 | 6−7 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in The Witcher 3: Wild Hunt. | ||
| low / 768p | 85−90 | 85−90 |
| medium / 768p | 45−50 | 45−50 |
| ultra / 1080p | 20−22 | 20−22 |
| high / 768p | 35−40 | 35−40 |
| Radeon 550X and Radeon HD 8770M have the same average FPS in World of Tanks. | ||
Full Specs
| Radeon 550X | Radeon HD 8770M | |
| Architecture | GCN 4.0 | GCN |
| Code name | Lexa | Mars |
| Type | Desktop | Laptop |
| Release date | 27 March 2019 | 16 November 2012 |
| Pipelines | 512 | 384 |
| Core clock speed | 1082 MHz | 775 MHz |
| Boost Clock | 1218 MHz | 825 MHz |
| Transistor count | 2,200 million | 950 million |
| Manufacturing process technology | 14 nm | 28 nm |
| Texture fill rate | 38.98 | 19.80 |
| Floating-point performance | 633.6 gflops | |
| Length | 145 mm | |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 7000 MHz | 4500 MHz |
| Memory bandwidth | 112.0 GB/s | 72 GB/s |
| Shared memory | - | |
| DirectX | 12 (12_0) | 12 (11_1) |
| Shader Model | 6.4 | 5.1 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.0 | 1.2 |
| Vulkan | 1.2.131 | 1.2.131 |
| Laptop size | medium sized | |
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