Iris Plus Graphics 645 vs Radeon R9 M270X
When choosing between Iris Plus Graphics 645 and Radeon R9 M270X, 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 Iris Plus Graphics 645 and Radeon R9 M270X.
Radeon R9 M270X
Iris Plus Graphics 645 is a Laptop Graphics Card
Note: Iris Plus Graphics 645 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 Iris Plus Graphics 645 here:
Main Specs
| Iris Plus Graphics 645 | Radeon R9 M270X | |
| Power consumption (TDP) | 15 Watt | |
| Interface | PCIe 3.0 x1 | PCIe 3.0 x16 |
| Memory type | DDR3/DDR4 | GDDR5 |
| Maximum RAM amount | 4 GB | |
| Display Connectors | No outputs | No outputs |
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- Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon R9 M270X uses PCIe 3.0 x16 interface.
- Iris Plus Graphics 645 is used in Laptops, and Radeon R9 M270X - in Desktops.
- Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon R9 M270X - with GCN 1.0.
- Core clock speed of Radeon R9 M270X is 425 MHz higher, than Iris Plus Graphics 645.
- Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon R9 M270X - by 28 nm process technology.
Game benchmarks
| high / 1080p | 4−5 | 6−7 |
| ultra / 1080p | 2−3 | 4−5 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 12−14 | 16−18 |
| medium / 1080p | 5−6 | 8−9 |
| The average gaming FPS of Radeon R9 M270X in Assassin's Creed Odyssey is 50% more, than Iris Plus Graphics 645. | ||
| high / 1080p | − | 10−12 |
| ultra / 1080p | 7−8 | 10−11 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 16−18 | 24−27 |
| medium / 1080p | 8−9 | 12−14 |
| The average gaming FPS of Radeon R9 M270X in Battlefield 5 is 45% more, than Iris Plus Graphics 645. | ||
| low / 768p | 45−50 | 45−50 |
| high / 1080p | 45−50 | 45−50 |
| QHD / 1440p | 0−1 | 0−1 |
| Iris Plus Graphics 645 and Radeon R9 M270X have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 100−110 | 130−140 |
| medium / 768p | 80−85 | 100−110 |
| ultra / 1080p | 35−40 | 50−55 |
| QHD / 1440p | 24−27 | 27−30 |
| 4K / 2160p | − | 27−30 |
| high / 768p | 60−65 | 75−80 |
| The average gaming FPS of Radeon R9 M270X in Counter-Strike: Global Offensive is 27% more, than Iris Plus Graphics 645. | ||
| low / 768p | 55−60 | 55−60 |
| ultra / 1080p | 12−14 | 18−20 |
| medium / 1080p | 45−50 | 45−50 |
| The average gaming FPS of Radeon R9 M270X in Cyberpunk 2077 is 5% more, than Iris Plus Graphics 645. | ||
| low / 768p | 65−70 | 75−80 |
| medium / 768p | 45−50 | 55−60 |
| ultra / 1080p | 21−24 | 30−35 |
| The average gaming FPS of Radeon R9 M270X in Dota 2 is 22% more, than Iris Plus Graphics 645. | ||
| high / 1080p | 5−6 | 8−9 |
| ultra / 1080p | 5−6 | 7−8 |
| 4K / 2160p | 3−4 | 3−4 |
| low / 720p | 12−14 | 18−20 |
| medium / 1080p | 5−6 | 8−9 |
| The average gaming FPS of Radeon R9 M270X in Far Cry 5 is 50% more, than Iris Plus Graphics 645. | ||
| high / 1080p | 12−14 | 14−16 |
| ultra / 1080p | 8−9 | 10−11 |
| low / 720p | 45−50 | 60−65 |
| medium / 1080p | 12−14 | 21−24 |
| The average gaming FPS of Radeon R9 M270X in Fortnite is 35% more, than Iris Plus Graphics 645. | ||
| high / 1080p | 8−9 | 12−14 |
| ultra / 1080p | − | 10−12 |
| QHD / 1440p | 0−1 | 1−2 |
| low / 720p | 16−18 | 24−27 |
| medium / 1080p | 9−10 | 12−14 |
| The average gaming FPS of Radeon R9 M270X in Forza Horizon 4 is 54% more, than Iris Plus Graphics 645. | ||
| low / 768p | 40−45 | 50−55 |
| medium / 768p | 35−40 | 45−50 |
| high / 1080p | 7−8 | 12−14 |
| ultra / 1080p | 5−6 | 6−7 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon R9 M270X in Grand Theft Auto V is 26% more, than Iris Plus Graphics 645. | ||
| high / 1080p | 3−4 | 4−5 |
| ultra / 1080p | 2−3 | 3−4 |
| 4K / 2160p | 0−1 | 0−1 |
| low / 720p | 7−8 | 12−14 |
| medium / 1080p | 4−5 | 6−7 |
| The average gaming FPS of Radeon R9 M270X in Metro Exodus is 50% more, than Iris Plus Graphics 645. | ||
| low / 768p | 85−90 | 90−95 |
| high / 1080p | 80−85 | 85−90 |
| ultra / 1080p | 70−75 | 80−85 |
| medium / 1080p | − | 90−95 |
| The average gaming FPS of Radeon R9 M270X in Minecraft is 8% more, than Iris Plus Graphics 645. | ||
| high / 1080p | 16−18 | 16−18 |
| ultra / 1080p | 14−16 | 14−16 |
| low / 720p | 24−27 | 30−35 |
| medium / 1080p | 16−18 | 18−20 |
| The average gaming FPS of Radeon R9 M270X in PLAYERUNKNOWN'S BATTLEGROUNDS is 11% more, than Iris Plus Graphics 645. | ||
| ultra / 1080p | 7−8 | 7−8 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 7−8 | 10−12 |
| medium / 1080p | − | 10−12 |
| The average gaming FPS of Radeon R9 M270X in Red Dead Redemption 2 is 28% more, than Iris Plus Graphics 645. | ||
| low / 768p | 16−18 | 24−27 |
| medium / 768p | 12−14 | 16−18 |
| high / 1080p | 6−7 | 9−10 |
| ultra / 1080p | 5−6 | 6−7 |
| The average gaming FPS of Radeon R9 M270X in The Witcher 3: Wild Hunt is 40% more, than Iris Plus Graphics 645. | ||
| low / 768p | 80−85 | 85−90 |
| medium / 768p | 35−40 | 40−45 |
| ultra / 1080p | 14−16 | 18−20 |
| high / 768p | 30−33 | 35−40 |
| The average gaming FPS of Radeon R9 M270X in World of Tanks is 12% more, than Iris Plus Graphics 645. | ||
Full Specs
| Iris Plus Graphics 645 | Radeon R9 M270X | |
| Architecture | Gen. 9.5 Coffee Lake | GCN 1.0 |
| Code name | Kaby Lake GT3e | Venus |
| Type | Laptop | Desktop |
| Release date | 10 July 2019 | 21 March 2014 |
| Pipelines | 48 | 640 |
| Core clock speed | 300 MHz | 725 MHz |
| Boost Clock | 1150 MHz | 775 MHz |
| Transistor count | 1,500 million | |
| Manufacturing process technology | 14 nm | 28 nm |
| Texture fill rate | 50.40 | 31.00 |
| Floating-point performance | 1,536 gflops | |
| Memory bus width | 128 Bit | |
| Memory clock speed | 1125 MHz | |
| Memory bandwidth | 72 GB/s | |
| Shared memory | + | |
| DirectX | 12 (12_1) | |
| Shader Model | 6.4 | 5.1 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 2.1 | Not Listed |
| Vulkan | 1.1.103 | |
| FreeSync | + | |
| Bus support | PCIe 3.0 x16 | |
| Eyefinity | + | |
| HD3D | + | |
| PowerTune | + | |
| DualGraphics | + | |
| ZeroCore | + | |
| Switchable graphics | + | |
| Mantle | + | |
| Quick Sync | + | |
| Compute units | 10 | |
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