Radeon HD 8790M vs Radeon R9 M270X
Find out if it is worth upgrading your current GPU setup by comparing Radeon HD 8790M and Radeon R9 M270X. 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 Radeon HD 8790M and Radeon R9 M270X. 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.
Radeon R9 M270X
Radeon HD 8790M is a Laptop Graphics Card
Note: Radeon HD 8790M 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 8790M here:
Main Specs
| Radeon HD 8790M | Radeon R9 M270X | |
| Interface | MXM-A (3.0) | PCIe 3.0 x16 |
| Supplementary power connectors | None | |
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 2 GB | 4 GB |
| Display Connectors | No outputs | No outputs |
| Check Price |
- Radeon HD 8790M is connected by MXM-A (3.0), and Radeon R9 M270X uses PCIe 3.0 x16 interface.
- Radeon R9 M270X has 2 GB more memory, than Radeon HD 8790M.
- Radeon HD 8790M is used in Laptops, and Radeon R9 M270X - in Desktops.
- Radeon HD 8790M is build with GCN architecture, and Radeon R9 M270X - with GCN 1.0.
- Core clock speed of Radeon HD 8790M is 125 MHz higher, than Radeon R9 M270X.
- Radeon HD 8790M and Radeon R9 M270X are manufactured by 28 nm process technology.
- Memory clock speed of Radeon HD 8790M is 3375 MHz higher, than Radeon R9 M270X.
Game benchmarks
| high / 1080p | 3−4 | 6−7 |
| ultra / 1080p | 1−2 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 14−16 | 16−18 |
| medium / 1080p | 6−7 | 8−9 |
| The average gaming FPS of Radeon R9 M270X in Assassin's Creed Odyssey is 50% more, than Radeon HD 8790M. | ||
| high / 1080p | 8−9 | 10−12 |
| ultra / 1080p | 6−7 | 10−11 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 21−24 | 24−27 |
| medium / 1080p | 9−10 | 12−14 |
| The average gaming FPS of Radeon R9 M270X in Battlefield 5 is 36% more, than Radeon HD 8790M. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 40−45 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon R9 M270X in Call of Duty: Warzone is 4% more, than Radeon HD 8790M. | ||
| low / 768p | 120−130 | 130−140 |
| medium / 768p | 100−110 | 100−110 |
| ultra / 1080p | 50−55 | 50−55 |
| QHD / 1440p | 24−27 | 27−30 |
| 4K / 2160p | − | 27−30 |
| high / 768p | 75−80 | 75−80 |
| The average gaming FPS of Radeon R9 M270X in Counter-Strike: Global Offensive is 2% more, than Radeon HD 8790M. | ||
| low / 768p | 70−75 | 55−60 |
| ultra / 1080p | 21−24 | 18−20 |
| medium / 1080p | 40−45 | 45−50 |
| The average gaming FPS of Radeon HD 8790M in Cyberpunk 2077 is 9% more, than Radeon R9 M270X. | ||
| low / 768p | 75−80 | 75−80 |
| medium / 768p | 55−60 | 55−60 |
| ultra / 1080p | 30−35 | 30−35 |
| Radeon HD 8790M and Radeon R9 M270X have the same average FPS in Dota 2. | ||
| high / 1080p | 4−5 | 8−9 |
| ultra / 1080p | 4−5 | 7−8 |
| 4K / 2160p | 1−2 | 3−4 |
| low / 720p | 14−16 | 18−20 |
| medium / 1080p | 6−7 | 8−9 |
| The average gaming FPS of Radeon R9 M270X in Far Cry 5 is 50% more, than Radeon HD 8790M. | ||
| high / 1080p | 12−14 | 14−16 |
| ultra / 1080p | 7−8 | 10−11 |
| QHD / 1440p | 4−5 | − |
| low / 720p | 60−65 | 60−65 |
| medium / 1080p | 18−20 | 21−24 |
| The average gaming FPS of Radeon R9 M270X in Fortnite is 8% more, than Radeon HD 8790M. | ||
| high / 1080p | 8−9 | 12−14 |
| ultra / 1080p | 7−8 | 10−12 |
| QHD / 1440p | 0−1 | 1−2 |
| low / 720p | 21−24 | 24−27 |
| medium / 1080p | 10−11 | 12−14 |
| The average gaming FPS of Radeon R9 M270X in Forza Horizon 4 is 25% more, than Radeon HD 8790M. | ||
| low / 768p | 50−55 | 50−55 |
| medium / 768p | − | 45−50 |
| high / 1080p | 10−11 | 12−14 |
| ultra / 1080p | 4−5 | 6−7 |
| QHD / 1440p | 0−1 | 0−1 |
| medium / 720p | 40−45 | − |
| The average gaming FPS of Radeon R9 M270X in Grand Theft Auto V is 9% more, than Radeon HD 8790M. | ||
| high / 1080p | 2−3 | 4−5 |
| ultra / 1080p | 0−1 | 3−4 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 9−10 | 12−14 |
| medium / 1080p | 4−5 | 6−7 |
| The average gaming FPS of Radeon R9 M270X in Metro Exodus is 60% more, than Radeon HD 8790M. | ||
| low / 768p | 85−90 | 90−95 |
| high / 1080p | 70−75 | 85−90 |
| ultra / 1080p | − | 80−85 |
| medium / 1080p | − | 90−95 |
| The average gaming FPS of Radeon R9 M270X in Minecraft is 12% more, than Radeon HD 8790M. | ||
| high / 1080p | − | 16−18 |
| ultra / 1080p | 12−14 | 14−16 |
| low / 720p | 30−35 | 30−35 |
| medium / 1080p | 14−16 | 18−20 |
| The average gaming FPS of Radeon R9 M270X in PLAYERUNKNOWN'S BATTLEGROUNDS is 10% more, than Radeon HD 8790M. | ||
| high / 1080p | 7−8 | − |
| ultra / 1080p | 4−5 | 7−8 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 8−9 | 10−12 |
| medium / 1080p | 8−9 | 10−12 |
| The average gaming FPS of Radeon R9 M270X in Red Dead Redemption 2 is 28% more, than Radeon HD 8790M. | ||
| low / 768p | 20−22 | 24−27 |
| medium / 768p | 12−14 | 16−18 |
| high / 1080p | 7−8 | 9−10 |
| ultra / 1080p | 5−6 | 6−7 |
| 4K / 2160p | 1−2 | − |
| The average gaming FPS of Radeon R9 M270X in The Witcher 3: Wild Hunt is 27% more, than Radeon HD 8790M. | ||
| low / 768p | 75−80 | 85−90 |
| medium / 768p | 40−45 | 40−45 |
| ultra / 1080p | 18−20 | 18−20 |
| high / 768p | 30−35 | 35−40 |
| The average gaming FPS of Radeon R9 M270X in World of Tanks is 9% more, than Radeon HD 8790M. | ||
Full Specs
| Radeon HD 8790M | Radeon R9 M270X | |
| Architecture | GCN | GCN 1.0 |
| Code name | Mars XTX | Venus |
| Type | Laptop | Desktop |
| Release date | 16 November 2012 | 21 March 2014 |
| Pipelines | 384 | 640 |
| Core clock speed | 850 MHz | 725 MHz |
| Boost Clock | 900 MHz | 775 MHz |
| Transistor count | 950 million | 1,500 million |
| Manufacturing process technology | 28 nm | 28 nm |
| Texture fill rate | 21.60 | 31.00 |
| Floating-point performance | 691.2 gflops | 1,536 gflops |
| Memory bus width | 128 Bit | 128 Bit |
| Memory clock speed | 4500 MHz | 1125 MHz |
| Memory bandwidth | 64 GB/s | 72 GB/s |
| Shared memory | - | |
| DirectX | 12 (11_1) | |
| Shader Model | 5.1 | 5.1 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | Not Listed |
| Vulkan | 1.2.131 | |
| FreeSync | + | |
| Bus support | PCIe 3.0 x16 | |
| Bitcoin / BTC (SHA256) | 80 Mh/s | |
| Laptop size | medium sized | |
| Eyefinity | + | |
| HD3D | + | |
| PowerTune | + | |
| DualGraphics | + | |
| ZeroCore | + | |
| Switchable graphics | + | |
| Mantle | + | |
| Compute units | 10 | |
| Check Price |