Iris Plus Graphics 645 vs Iris Pro Graphics P580
In this comparison between Iris Plus Graphics 645 and Iris Pro Graphics P580 you will find out which graphics card performs better in today's games. Bear in mind that third-party versions may have more efficient cooling and higher clock speeds. This will increase cards' performance, though not by much. In addition to raw power you should also take into account the dimensions. Thicker models simply will not fit into a small mini-ITX case. The resolution of your monitor also affects the choice, since 4K gameplay requires a more powerful GPU. And don't overspend on the graphics card. Other parts of your build may also need to be upgraded, save some money for the CPU or power supply. For some people Iris Plus Graphics 645 will be the best choice, for others Iris Pro Graphics P580 will be their preference. Study the comparison tables below and make your choice.
Iris Plus Graphics 645 and Iris Pro Graphics P580 are Laptop Graphics Cards
Note: Iris Plus Graphics 645 and Iris Pro Graphics P580 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 Iris Pro Graphics P580 here:
Main Specs
Iris Plus Graphics 645
Iris Pro Graphics P580
Power consumption (TDP)
15 Watt
15 Watt
Interface
PCIe 3.0 x1
PCIe 3.0 x1
Memory type
DDR3/DDR4
DDR3L/LPDDR3/DDR4
Maximum RAM amount
64 GB
Display Connectors
No outputs
No outputs
Check Price
Check Price
Both graphics cards have the same power consumption of 15 Watt.
Both video cards are using PCIe 3.0 x1 interface connection to a motherboard.
Both cards are used in Laptops.
Iris Plus Graphics 645 is build with Gen. 9.5 Coffee Lake architecture, and Iris Pro Graphics P580 - with Gen. 9 Skylake.
Core clock speed of Iris Pro Graphics P580 is 50 MHz higher, than Iris Plus Graphics 645.
Iris Plus Graphics 645 and Iris Pro Graphics P580 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
10−11
ultra / 1080p
2−3
6−7
QHD / 1440p
0−1
0−1
low / 720p
12−14
21−24
medium / 1080p
5−6
12−14
The average gaming FPS of Iris Pro Graphics P580 in Assassin's Creed Odyssey is 116% more, than Iris Plus Graphics 645.
high / 1080p
−
16−18
ultra / 1080p
7−8
14−16
QHD / 1440p
0−1
0−1
low / 720p
16−18
35−40
medium / 1080p
8−9
18−20
The average gaming FPS of Iris Pro Graphics P580 in Battlefield 5 is 109% more, than Iris Plus Graphics 645.
low / 768p
45−50
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Iris Plus Graphics 645 and Iris Pro Graphics P580 have the same average FPS in Call of Duty: Warzone.
low / 768p
100−110
170−180
medium / 768p
80−85
140−150
ultra / 1080p
35−40
70−75
QHD / 1440p
24−27
40−45
4K / 2160p
−
30−33
high / 768p
60−65
100−110
The average gaming FPS of Iris Pro Graphics P580 in Counter-Strike: Global Offensive is 74% more, than Iris Plus Graphics 645.
low / 768p
55−60
55−60
ultra / 1080p
12−14
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of Iris Pro Graphics P580 in Cyberpunk 2077 is 12% more, than Iris Plus Graphics 645.
low / 768p
65−70
90−95
medium / 768p
45−50
75−80
ultra / 1080p
21−24
45−50
The average gaming FPS of Iris Pro Graphics P580 in Dota 2 is 60% more, than Iris Plus Graphics 645.
high / 1080p
5−6
10−12
ultra / 1080p
5−6
10−12
4K / 2160p
3−4
4−5
low / 720p
12−14
27−30
medium / 1080p
5−6
12−14
The average gaming FPS of Iris Pro Graphics P580 in Far Cry 5 is 116% more, than Iris Plus Graphics 645.
high / 1080p
12−14
18−20
ultra / 1080p
8−9
12−14
low / 720p
45−50
75−80
medium / 1080p
12−14
35−40
The average gaming FPS of Iris Pro Graphics P580 in Fortnite is 80% more, than Iris Plus Graphics 645.
high / 1080p
8−9
16−18
ultra / 1080p
−
14−16
QHD / 1440p
0−1
4−5
low / 720p
16−18
35−40
medium / 1080p
9−10
18−20
The average gaming FPS of Iris Pro Graphics P580 in Forza Horizon 4 is 118% more, than Iris Plus Graphics 645.
low / 768p
40−45
65−70
medium / 768p
35−40
55−60
high / 1080p
7−8
18−20
ultra / 1080p
5−6
8−9
QHD / 1440p
0−1
0−1
The average gaming FPS of Iris Pro Graphics P580 in Grand Theft Auto V is 65% more, than Iris Plus Graphics 645.
high / 1080p
3−4
6−7
ultra / 1080p
2−3
5−6
4K / 2160p
0−1
1−2
low / 720p
7−8
18−20
medium / 1080p
4−5
9−10
The average gaming FPS of Iris Pro Graphics P580 in Metro Exodus is 150% more, than Iris Plus Graphics 645.
low / 768p
85−90
100−110
high / 1080p
80−85
−
ultra / 1080p
70−75
90−95
medium / 1080p
−
95−100
The average gaming FPS of Iris Pro Graphics P580 in Minecraft is 22% more, than Iris Plus Graphics 645.
high / 1080p
16−18
18−20
ultra / 1080p
14−16
14−16
low / 720p
24−27
40−45
medium / 1080p
16−18
20−22
The average gaming FPS of Iris Pro Graphics P580 in PLAYERUNKNOWN'S BATTLEGROUNDS is 33% more, than Iris Plus Graphics 645.
high / 1080p
−
12−14
ultra / 1080p
7−8
8−9
QHD / 1440p
0−1
0−1
low / 720p
7−8
18−20
medium / 1080p
−
12−14
The average gaming FPS of Iris Pro Graphics P580 in Red Dead Redemption 2 is 85% more, than Iris Plus Graphics 645.
low / 768p
16−18
35−40
medium / 768p
12−14
21−24
high / 1080p
6−7
12−14
ultra / 1080p
5−6
8−9
4K / 2160p
−
7−8
The average gaming FPS of Iris Pro Graphics P580 in The Witcher 3: Wild Hunt is 100% more, than Iris Plus Graphics 645.
low / 768p
80−85
90−95
medium / 768p
35−40
50−55
ultra / 1080p
14−16
24−27
high / 768p
30−33
40−45
The average gaming FPS of Iris Pro Graphics P580 in World of Tanks is 29% more, than Iris Plus Graphics 645.
Full Specs
Iris Plus Graphics 645
Iris Pro Graphics P580
Architecture
Gen. 9.5 Coffee Lake
Gen. 9 Skylake
Code name
Kaby Lake GT3e
Skylake GT4e
Type
Laptop
Laptop
Release date
10 July 2019
1 September 2015
Pipelines
48
72
Core clock speed
300 MHz
350 MHz
Boost Clock
1150 MHz
1100 MHz
Transistor count
189 million
Manufacturing process technology
14 nm
14 nm
Texture fill rate
50.40
75.60
Shared memory
+
+
DirectX
12 (12_1)
12 (12_1)
Shader Model
6.4
6.4
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.1.103
1.1.97
Quick Sync
+
+
Check Price
Check Price
