Iris Plus Graphics 655 vs Iris Pro Graphics P580
If you are going to buy a new graphics card and are choosing between Iris Plus Graphics 655 and Iris Pro Graphics P580, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Iris Plus Graphics 655 stacks up against Iris Pro Graphics P580, check out specs charts below.
Iris Plus Graphics 655 and Iris Pro Graphics P580 are Laptop Graphics Cards
Note: Iris Plus Graphics 655 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 655 or Iris Pro Graphics P580 here:
Main Specs
Iris Plus Graphics 655
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
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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 655 is build with Gen. 9.5 Kaby 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 655.
Iris Plus Graphics 655 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
12−14
10−11
ultra / 1080p
7−8
6−7
QHD / 1440p
2−3
0−1
low / 720p
27−30
21−24
medium / 1080p
16−18
12−14
The average gaming FPS of Iris Plus Graphics 655 in Assassin's Creed Odyssey is 23% more, than Iris Pro Graphics P580.
high / 1080p
21−24
16−18
ultra / 1080p
18−20
14−16
QHD / 1440p
4−5
0−1
low / 720p
45−50
35−40
medium / 1080p
21−24
18−20
The average gaming FPS of Iris Plus Graphics 655 in Battlefield 5 is 22% more, than Iris Pro Graphics P580.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
Iris Plus Graphics 655 and Iris Pro Graphics P580 have the same average FPS in Call of Duty: Warzone.
low / 768p
190−200
170−180
medium / 768p
160−170
140−150
ultra / 1080p
85−90
70−75
QHD / 1440p
45−50
40−45
4K / 2160p
30−33
30−33
high / 768p
120−130
100−110
The average gaming FPS of Iris Plus Graphics 655 in Counter-Strike: Global Offensive is 13% more, than Iris Pro Graphics P580.
low / 768p
55−60
55−60
ultra / 1080p
35−40
27−30
medium / 1080p
45−50
45−50
The average gaming FPS of Iris Plus Graphics 655 in Cyberpunk 2077 is 6% more, than Iris Pro Graphics P580.
low / 768p
100−110
90−95
medium / 768p
85−90
75−80
ultra / 1080p
55−60
45−50
The average gaming FPS of Iris Plus Graphics 655 in Dota 2 is 15% more, than Iris Pro Graphics P580.
high / 1080p
14−16
10−12
ultra / 1080p
14−16
10−12
4K / 2160p
5−6
4−5
low / 720p
30−35
27−30
medium / 1080p
16−18
12−14
The average gaming FPS of Iris Plus Graphics 655 in Far Cry 5 is 30% more, than Iris Pro Graphics P580.
high / 1080p
21−24
18−20
ultra / 1080p
16−18
12−14
QHD / 1440p
16−18
−
low / 720p
85−90
75−80
medium / 1080p
45−50
35−40
The average gaming FPS of Iris Plus Graphics 655 in Fortnite is 19% more, than Iris Pro Graphics P580.
high / 1080p
21−24
16−18
ultra / 1080p
16−18
14−16
QHD / 1440p
7−8
4−5
low / 720p
45−50
35−40
medium / 1080p
24−27
18−20
The average gaming FPS of Iris Plus Graphics 655 in Forza Horizon 4 is 33% more, than Iris Pro Graphics P580.
low / 768p
75−80
65−70
medium / 768p
65−70
55−60
high / 1080p
24−27
18−20
ultra / 1080p
10−11
8−9
QHD / 1440p
1−2
0−1
The average gaming FPS of Iris Plus Graphics 655 in Grand Theft Auto V is 18% more, than Iris Pro Graphics P580.
high / 1080p
8−9
6−7
ultra / 1080p
6−7
5−6
4K / 2160p
2−3
1−2
low / 720p
24−27
18−20
medium / 1080p
10−12
9−10
The average gaming FPS of Iris Plus Graphics 655 in Metro Exodus is 25% more, than Iris Pro Graphics P580.
low / 768p
100−110
100−110
ultra / 1080p
95−100
90−95
medium / 1080p
100−110
95−100
The average gaming FPS of Iris Plus Graphics 655 in Minecraft is 4% more, than Iris Pro Graphics P580.
high / 1080p
21−24
18−20
ultra / 1080p
16−18
14−16
low / 720p
50−55
40−45
medium / 1080p
21−24
20−22
The average gaming FPS of Iris Plus Graphics 655 in PLAYERUNKNOWN'S BATTLEGROUNDS is 16% more, than Iris Pro Graphics P580.
high / 1080p
12−14
12−14
ultra / 1080p
9−10
8−9
QHD / 1440p
0−1
0−1
low / 720p
24−27
18−20
medium / 1080p
14−16
12−14
The average gaming FPS of Iris Plus Graphics 655 in Red Dead Redemption 2 is 15% more, than Iris Pro Graphics P580.
low / 768p
45−50
35−40
medium / 768p
27−30
21−24
high / 1080p
16−18
12−14
ultra / 1080p
9−10
8−9
4K / 2160p
7−8
7−8
The average gaming FPS of Iris Plus Graphics 655 in The Witcher 3: Wild Hunt is 29% more, than Iris Pro Graphics P580.
low / 768p
95−100
90−95
medium / 768p
55−60
50−55
ultra / 1080p
30−35
24−27
high / 768p
50−55
40−45
The average gaming FPS of Iris Plus Graphics 655 in World of Tanks is 13% more, than Iris Pro Graphics P580.
Full Specs
Iris Plus Graphics 655
Iris Pro Graphics P580
Architecture
Gen. 9.5 Kaby Lake
Gen. 9 Skylake
Code name
Kaby Lake GT3e
Skylake GT4e
Type
Laptop
Laptop
Release date
1 September 2017
1 September 2015
Pipelines
48
72
Core clock speed
300 MHz
350 MHz
Boost Clock
1200 MHz
1100 MHz
Transistor count
189 million
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
+
+
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