Iris Plus Graphics 645 vs Radeon HD 4770
Find out if it is worth upgrading your current GPU setup by comparing Iris Plus Graphics 645 and Radeon HD 4770. 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 Iris Plus Graphics 645 and Radeon HD 4770. 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 HD 4770
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 HD 4770 | |
Power consumption (TDP) | 15 Watt | 80 Watt |
Interface | PCIe 3.0 x1 | PCIe 2.0 x16 |
Supplementary power connectors | 1x 6-pin | |
Memory type | DDR3/DDR4 | GDDR5 |
Maximum RAM amount | 512 MB | |
Display Connectors | No outputs | 2x DVI, 1x S-Video |
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- Radeon HD 4770 has 433% more power consumption, than Iris Plus Graphics 645.
- Iris Plus Graphics 645 is connected by PCIe 3.0 x1, and Radeon HD 4770 uses PCIe 2.0 x16 interface.
- Iris Plus Graphics 645 is used in Laptops, and Radeon HD 4770 - in Desktops.
- Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon HD 4770 - with TeraScale.
- Core clock speed of Radeon HD 4770 is 450 MHz higher, than Iris Plus Graphics 645.
- Iris Plus Graphics 645 is manufactured by 14 nm process technology, and Radeon HD 4770 - by 40 nm process technology.
Game benchmarks
high / 1080p | 4−5 | 1−2 |
ultra / 1080p | 2−3 | 0−1 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 12−14 | 10−12 |
medium / 1080p | 5−6 | 2−3 |
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 40% more, than Radeon HD 4770. | ||
ultra / 1080p | 7−8 | 3−4 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 16−18 | 12−14 |
medium / 1080p | 8−9 | 4−5 |
The average gaming FPS of Iris Plus Graphics 645 in Battlefield 5 is 57% more, than Radeon HD 4770. | ||
low / 768p | 45−50 | 50−55 |
high / 1080p | 45−50 | 45−50 |
QHD / 1440p | 0−1 | 0−1 |
The average gaming FPS of Radeon HD 4770 in Call of Duty: Warzone is 6% more, than Iris Plus Graphics 645. | ||
low / 768p | 100−110 | 110−120 |
medium / 768p | 80−85 | 85−90 |
ultra / 1080p | 35−40 | 35−40 |
QHD / 1440p | 24−27 | − |
4K / 2160p | − | 10−11 |
high / 768p | 60−65 | 60−65 |
The average gaming FPS of Radeon HD 4770 in Counter-Strike: Global Offensive is 5% more, than Iris Plus Graphics 645. | ||
low / 768p | 55−60 | 70−75 |
ultra / 1080p | 12−14 | 14−16 |
medium / 1080p | 45−50 | 45−50 |
The average gaming FPS of Radeon HD 4770 in Cyberpunk 2077 is 15% more, than Iris Plus Graphics 645. | ||
low / 768p | 65−70 | 70−75 |
medium / 768p | 45−50 | 45−50 |
ultra / 1080p | 21−24 | 18−20 |
The average gaming FPS of Radeon HD 4770 in Dota 2 is 2% more, than Iris Plus Graphics 645. | ||
high / 1080p | 5−6 | 2−3 |
ultra / 1080p | 5−6 | 2−3 |
4K / 2160p | 3−4 | 0−1 |
low / 720p | 12−14 | 10−11 |
medium / 1080p | 5−6 | 3−4 |
The average gaming FPS of Iris Plus Graphics 645 in Far Cry 5 is 75% more, than Radeon HD 4770. | ||
high / 1080p | 12−14 | − |
ultra / 1080p | 8−9 | 5−6 |
QHD / 1440p | − | 1−2 |
low / 720p | 45−50 | 45−50 |
medium / 1080p | 12−14 | 8−9 |
The average gaming FPS of Iris Plus Graphics 645 in Fortnite is 15% more, than Radeon HD 4770. | ||
high / 1080p | 8−9 | 3−4 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 16−18 | 14−16 |
medium / 1080p | 9−10 | 5−6 |
The average gaming FPS of Iris Plus Graphics 645 in Forza Horizon 4 is 37% more, than Radeon HD 4770. | ||
low / 768p | 40−45 | 40−45 |
medium / 768p | 35−40 | − |
high / 1080p | 7−8 | 3−4 |
ultra / 1080p | 5−6 | 2−3 |
QHD / 1440p | 0−1 | 0−1 |
medium / 720p | − | 35−40 |
The average gaming FPS of Iris Plus Graphics 645 in Grand Theft Auto V is 12% more, than Radeon HD 4770. | ||
high / 1080p | 3−4 | 1−2 |
ultra / 1080p | 2−3 | 0−1 |
4K / 2160p | 0−1 | 0−1 |
low / 720p | 7−8 | 3−4 |
medium / 1080p | 4−5 | 2−3 |
The average gaming FPS of Iris Plus Graphics 645 in Metro Exodus is 150% more, than Radeon HD 4770. | ||
low / 768p | 85−90 | 85−90 |
high / 1080p | 80−85 | 55−60 |
ultra / 1080p | 70−75 | − |
The average gaming FPS of Iris Plus Graphics 645 in Minecraft is 18% more, than Radeon HD 4770. | ||
high / 1080p | 16−18 | 14−16 |
ultra / 1080p | 14−16 | 12−14 |
low / 720p | 24−27 | 24−27 |
medium / 1080p | 16−18 | 14−16 |
The average gaming FPS of Iris Plus Graphics 645 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than Radeon HD 4770. | ||
ultra / 1080p | 7−8 | 3−4 |
QHD / 1440p | 0−1 | 0−1 |
low / 720p | 7−8 | 4−5 |
The average gaming FPS of Iris Plus Graphics 645 in Red Dead Redemption 2 is 75% more, than Radeon HD 4770. | ||
low / 768p | 16−18 | 8−9 |
medium / 768p | 12−14 | 7−8 |
high / 1080p | 6−7 | 3−4 |
ultra / 1080p | 5−6 | 3−4 |
4K / 2160p | − | 0−1 |
The average gaming FPS of Iris Plus Graphics 645 in The Witcher 3: Wild Hunt is 100% more, than Radeon HD 4770. | ||
low / 768p | 80−85 | 70−75 |
medium / 768p | 35−40 | 35−40 |
ultra / 1080p | 14−16 | 12−14 |
high / 768p | 30−33 | 30−33 |
The average gaming FPS of Iris Plus Graphics 645 in World of Tanks is 7% more, than Radeon HD 4770. |
Full Specs
Iris Plus Graphics 645 | Radeon HD 4770 | |
Architecture | Gen. 9.5 Coffee Lake | TeraScale |
Code name | Kaby Lake GT3e | RV740 |
Type | Laptop | Desktop |
Release date | 10 July 2019 | 28 April 2009 |
Pipelines | 48 | 640 |
Core clock speed | 300 MHz | 750 MHz |
Boost Clock | 1150 MHz | |
Transistor count | 826 million | |
Manufacturing process technology | 14 nm | 40 nm |
Texture fill rate | 50.40 | 24.00 |
Floating-point performance | 960.0 gflops | |
Length | 203 mm | |
Memory bus width | 128 Bit | |
Memory clock speed | 3200 MHz | |
Memory bandwidth | 51.2 GB/s | |
Shared memory | + | |
DirectX | 12 (12_1) | 10.1 (10_1) |
Shader Model | 6.4 | 4.1 |
OpenGL | 4.6 | 3.3 |
OpenCL | 2.1 | 1.1 |
Vulkan | 1.1.103 | N/A |
Quick Sync | + | |
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