Iris Plus Graphics 645 vs Radeon 540
When choosing between Iris Plus Graphics 645 and Radeon 540, 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 540.
Radeon 540
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 540 | |
| Power consumption (TDP) | 15 Watt | 50 Watt |
| Interface | PCIe 3.0 x1 | PCIe 3.0 x8 |
| Supplementary power connectors | None | |
| Memory type | DDR3/DDR4 | GDDR5 |
| Maximum RAM amount | 2 GB | |
| Display Connectors | No outputs | 1x DVI, 1x HDMI, 1x DisplayPort |
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- Radeon 540 has 233% more power consumption, than Iris Plus Graphics 645.
- Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon 540 uses PCIe 3.0 x8 interface.
- Iris Plus Graphics 645 is used in Laptops, and Radeon 540 - in Desktops.
- Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon 540 - with GCN 4.0.
- Core clock speed of Radeon 540 is 800 MHz higher, than Iris Plus Graphics 645.
- Iris Plus Graphics 645 and Radeon 540 are manufactured by 14 nm process technology.
Game benchmarks
| high / 1080p | 4−5 | 6−7 |
| ultra / 1080p | 2−3 | 3−4 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 12−14 | 14−16 |
| medium / 1080p | 5−6 | 7−8 |
| The average gaming FPS of Radeon 540 in Assassin's Creed Odyssey is 33% more, than Iris Plus Graphics 645. | ||
| high / 1080p | − | 10−12 |
| ultra / 1080p | 7−8 | 9−10 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 16−18 | 21−24 |
| medium / 1080p | 8−9 | 10−12 |
| The average gaming FPS of Radeon 540 in Battlefield 5 is 27% 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 540 have the same average FPS in Call of Duty: Warzone. | ||
| low / 768p | 100−110 | 120−130 |
| medium / 768p | 80−85 | 100−110 |
| ultra / 1080p | 35−40 | 50−55 |
| QHD / 1440p | 24−27 | 27−30 |
| high / 768p | 60−65 | 75−80 |
| The average gaming FPS of Radeon 540 in Counter-Strike: Global Offensive is 24% more, than Iris Plus Graphics 645. | ||
| low / 768p | 55−60 | 55−60 |
| ultra / 1080p | 12−14 | 16−18 |
| medium / 1080p | 45−50 | 45−50 |
| The average gaming FPS of Radeon 540 in Cyberpunk 2077 is 2% 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 540 in Dota 2 is 22% more, than Iris Plus Graphics 645. | ||
| high / 1080p | 5−6 | 7−8 |
| ultra / 1080p | 5−6 | 7−8 |
| 4K / 2160p | 3−4 | 3−4 |
| low / 720p | 12−14 | 16−18 |
| medium / 1080p | 5−6 | 8−9 |
| The average gaming FPS of Radeon 540 in Far Cry 5 is 33% more, than Iris Plus Graphics 645. | ||
| high / 1080p | 12−14 | 14−16 |
| ultra / 1080p | 8−9 | 10−11 |
| low / 720p | 45−50 | 55−60 |
| medium / 1080p | 12−14 | 20−22 |
| The average gaming FPS of Radeon 540 in Fortnite is 30% more, than Iris Plus Graphics 645. | ||
| high / 1080p | 8−9 | 10−12 |
| ultra / 1080p | − | 10−11 |
| QHD / 1440p | 0−1 | 0−1 |
| low / 720p | 16−18 | 24−27 |
| medium / 1080p | 9−10 | 12−14 |
| The average gaming FPS of Radeon 540 in Forza Horizon 4 is 45% more, than Iris Plus Graphics 645. | ||
| low / 768p | 40−45 | 50−55 |
| medium / 768p | 35−40 | 40−45 |
| high / 1080p | 7−8 | 10−12 |
| ultra / 1080p | 5−6 | 6−7 |
| QHD / 1440p | 0−1 | 0−1 |
| The average gaming FPS of Radeon 540 in Grand Theft Auto V is 21% 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 | 10−12 |
| medium / 1080p | 4−5 | 6−7 |
| The average gaming FPS of Radeon 540 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 | 75−80 |
| medium / 1080p | − | 90−95 |
| The average gaming FPS of Radeon 540 in Minecraft is 6% more, than Iris Plus Graphics 645. | ||
| high / 1080p | 16−18 | 16−18 |
| ultra / 1080p | 14−16 | 14−16 |
| low / 720p | 24−27 | 30−33 |
| medium / 1080p | 16−18 | 16−18 |
| The average gaming FPS of Radeon 540 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 | − | 10−11 |
| The average gaming FPS of Radeon 540 in Red Dead Redemption 2 is 28% more, than Iris Plus Graphics 645. | ||
| low / 768p | 16−18 | 21−24 |
| medium / 768p | 12−14 | 14−16 |
| high / 1080p | 6−7 | 8−9 |
| ultra / 1080p | 5−6 | 6−7 |
| The average gaming FPS of Radeon 540 in The Witcher 3: Wild Hunt is 30% 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 540 in World of Tanks is 12% more, than Iris Plus Graphics 645. | ||
Full Specs
| Iris Plus Graphics 645 | Radeon 540 | |
| Architecture | Gen. 9.5 Coffee Lake | GCN 4.0 |
| Code name | Kaby Lake GT3e | Lexa |
| Type | Laptop | Desktop |
| Release date | 10 July 2019 | 26 March 2019 |
| Pipelines | 48 | 512 |
| Core clock speed | 300 MHz | 1100 MHz |
| Boost Clock | 1150 MHz | 1124 MHz |
| Transistor count | 2,200 million | |
| Manufacturing process technology | 14 nm | 14 nm |
| Texture fill rate | 50.40 | 35.97 |
| Length | 145 mm | |
| Memory bus width | 64 Bit | |
| Memory clock speed | 7000 MHz | |
| Memory bandwidth | 56 GB/s | |
| Shared memory | + | |
| DirectX | 12 (12_1) | 12 (12_0) |
| Shader Model | 6.4 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 2.0 |
| Vulkan | 1.1.103 | 1.2.131 |
| Quick Sync | + | |
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