Iris Plus Graphics 645 vs Radeon RX Vega 3
When choosing between Iris Plus Graphics 645 and Radeon RX Vega 3, 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 RX Vega 3.
Iris Plus Graphics 645 and Radeon RX Vega 3 are Laptop Graphics Cards
Note: Iris Plus Graphics 645 and Radeon RX Vega 3 are only used in laptop graphics. They have 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 or Radeon RX Vega 3 here:
Main Specs
Iris Plus Graphics 645
Radeon RX Vega 3
Power consumption (TDP)
15 Watt
Interface
PCIe 3.0 x1
Memory type
DDR3/DDR4
Display Connectors
No outputs
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Both cards are used in Laptops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Radeon RX Vega 3 - with Vega.
Iris Plus Graphics 645 and Radeon RX Vega 3 are manufactured by 14 nm process technology.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
4−5
2−3
ultra / 1080p
2−3
1−2
QHD / 1440p
0−1
0−1
low / 720p
12−14
14−16
medium / 1080p
5−6
4−5
The average gaming FPS of Iris Plus Graphics 645 in Assassin's Creed Odyssey is 20% more, than Radeon RX Vega 3.
high / 1080p
−
7−8
ultra / 1080p
7−8
5−6
QHD / 1440p
0−1
0−1
low / 720p
16−18
18−20
medium / 1080p
8−9
7−8
The average gaming FPS of Iris Plus Graphics 645 in Battlefield 5 is 10% more, than Radeon RX Vega 3.
low / 768p
45−50
50−55
high / 1080p
45−50
30−35
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Plus Graphics 645 in Call of Duty: Warzone is 11% more, than Radeon RX Vega 3.
low / 768p
100−110
110−120
medium / 768p
80−85
90−95
ultra / 1080p
35−40
40−45
QHD / 1440p
24−27
24−27
4K / 2160p
−
18−20
high / 768p
60−65
65−70
The average gaming FPS of Radeon RX Vega 3 in Counter-Strike: Global Offensive is 9% more, than Iris Plus Graphics 645.
low / 768p
55−60
70−75
ultra / 1080p
12−14
21−24
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon RX Vega 3 in Cyberpunk 2077 is 20% more, than Iris Plus Graphics 645.
low / 768p
65−70
70−75
medium / 768p
45−50
50−55
ultra / 1080p
21−24
27−30
The average gaming FPS of Radeon RX Vega 3 in Dota 2 is 13% more, than Iris Plus Graphics 645.
high / 1080p
5−6
3−4
ultra / 1080p
5−6
3−4
4K / 2160p
3−4
2−3
low / 720p
12−14
14−16
medium / 1080p
5−6
4−5
The average gaming FPS of Iris Plus Graphics 645 in Far Cry 5 is 20% more, than Radeon RX Vega 3.
high / 1080p
12−14
10−12
ultra / 1080p
8−9
5−6
QHD / 1440p
−
2−3
low / 720p
45−50
50−55
medium / 1080p
12−14
14−16
The average gaming FPS of Radeon RX Vega 3 in Fortnite is 5% more, than Iris Plus Graphics 645.
high / 1080p
8−9
6−7
QHD / 1440p
0−1
4−5
4K / 2160p
−
2−3
low / 720p
16−18
21−24
medium / 1080p
9−10
9−10
The average gaming FPS of Radeon RX Vega 3 in Forza Horizon 4 is 9% more, than Iris Plus Graphics 645.
low / 768p
40−45
45−50
medium / 768p
35−40
40−45
high / 1080p
7−8
7−8
ultra / 1080p
5−6
3−4
QHD / 1440p
0−1
0−1
The average gaming FPS of Radeon RX Vega 3 in Grand Theft Auto V is 8% more, than Iris Plus Graphics 645.
high / 1080p
3−4
2−3
ultra / 1080p
2−3
0−1
4K / 2160p
0−1
0−1
low / 720p
7−8
8−9
medium / 1080p
4−5
4−5
Iris Plus Graphics 645 and Radeon RX Vega 3 have the same average FPS in Metro Exodus.
low / 768p
85−90
80−85
high / 1080p
80−85
−
ultra / 1080p
70−75
70−75
The average gaming FPS of Iris Plus Graphics 645 in Minecraft is 3% more, than Radeon RX Vega 3.
high / 1080p
16−18
−
ultra / 1080p
14−16
12−14
low / 720p
24−27
27−30
medium / 1080p
16−18
14−16
The average gaming FPS of Iris Plus Graphics 645 in PLAYERUNKNOWN'S BATTLEGROUNDS is 5% more, than Radeon RX Vega 3.
ultra / 1080p
7−8
6−7
QHD / 1440p
0−1
−
low / 720p
7−8
8−9
medium / 1080p
−
7−8
Iris Plus Graphics 645 and Radeon RX Vega 3 have the same average FPS in Red Dead Redemption 2.
low / 768p
16−18
16−18
medium / 768p
12−14
10−12
high / 1080p
6−7
6−7
ultra / 1080p
5−6
4−5
4K / 2160p
−
2−3
The average gaming FPS of Iris Plus Graphics 645 in The Witcher 3: Wild Hunt is 11% more, than Radeon RX Vega 3.
low / 768p
80−85
70−75
medium / 768p
35−40
35−40
ultra / 1080p
14−16
16−18
high / 768p
30−33
30−35
The average gaming FPS of Iris Plus Graphics 645 in World of Tanks is 5% more, than Radeon RX Vega 3.
Full Specs
Iris Plus Graphics 645
Radeon RX Vega 3
Architecture
Gen. 9.5 Coffee Lake
Vega
Code name
Kaby Lake GT3e
Vega Raven Ridge
Type
Laptop
Laptop
Release date
10 July 2019
7 January 2018
Pipelines
48
192
Core clock speed
300 MHz
Boost Clock
1150 MHz
1000 MHz
Manufacturing process technology
14 nm
14 nm
Texture fill rate
50.40
Shared memory
+
-
DirectX
12 (12_1)
DirectX 12_1
Shader Model
6.4
OpenGL
4.6
OpenCL
2.1
Vulkan
1.1.103
Quick Sync
+
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