GeForce GTX 580M vs Iris Plus Graphics 655
When choosing between GeForce GTX 580M and Iris Plus Graphics 655, 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 GeForce GTX 580M and Iris Plus Graphics 655.
GeForce GTX 580M and Iris Plus Graphics 655 are Laptop Graphics Cards
Note: GeForce GTX 580M and Iris Plus Graphics 655 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 GeForce GTX 580M or Iris Plus Graphics 655 here:
Main Specs
GeForce GTX 580M
Iris Plus Graphics 655
Power consumption (TDP)
100 Watt
15 Watt
Interface
MXM-B (3.0)
PCIe 3.0 x1
Supplementary power connectors
None
Memory type
GDDR5
DDR3/DDR4
Maximum RAM amount
2 MB
Display Connectors
No outputs
No outputs
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GeForce GTX 580M has 566% more power consumption, than Iris Plus Graphics 655.
GeForce GTX 580M is connected by MXM-B (3.0), and Iris Plus Graphics 655 uses PCIe 3.0 x1 interface.
Both cards are used in Laptops.
GeForce GTX 580M is build with Fermi architecture, and Iris Plus Graphics 655 - with Gen. 9.5 Kaby Lake.
Core clock speed of GeForce GTX 580M is 320 MHz higher, than Iris Plus Graphics 655.
GeForce GTX 580M is manufactured by 40 nm process technology, and Iris Plus Graphics 655 - 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
10−12
12−14
ultra / 1080p
6−7
7−8
QHD / 1440p
1−2
2−3
low / 720p
24−27
27−30
medium / 1080p
14−16
16−18
The average gaming FPS of Iris Plus Graphics 655 in Assassin's Creed Odyssey is 18% more, than GeForce GTX 580M.
high / 1080p
18−20
21−24
ultra / 1080p
16−18
18−20
QHD / 1440p
2−3
4−5
low / 720p
40−45
45−50
medium / 1080p
20−22
21−24
The average gaming FPS of Iris Plus Graphics 655 in Battlefield 5 is 15% more, than GeForce GTX 580M.
low / 768p
45−50
45−50
QHD / 1440p
0−1
0−1
GeForce GTX 580M and Iris Plus Graphics 655 have the same average FPS in Call of Duty: Warzone.
low / 768p
180−190
190−200
medium / 768p
150−160
160−170
ultra / 1080p
75−80
85−90
QHD / 1440p
45−50
45−50
4K / 2160p
30−33
30−33
high / 768p
110−120
120−130
The average gaming FPS of Iris Plus Graphics 655 in Counter-Strike: Global Offensive is 6% more, than GeForce GTX 580M.
low / 768p
55−60
55−60
ultra / 1080p
30−35
35−40
medium / 1080p
45−50
45−50
The average gaming FPS of Iris Plus Graphics 655 in Cyberpunk 2077 is 4% more, than GeForce GTX 580M.
low / 768p
95−100
100−110
medium / 768p
80−85
85−90
ultra / 1080p
50−55
55−60
The average gaming FPS of Iris Plus Graphics 655 in Dota 2 is 7% more, than GeForce GTX 580M.
high / 1080p
12−14
14−16
ultra / 1080p
12−14
14−16
4K / 2160p
5−6
5−6
low / 720p
30−33
30−35
medium / 1080p
14−16
16−18
The average gaming FPS of Iris Plus Graphics 655 in Far Cry 5 is 13% more, than GeForce GTX 580M.
high / 1080p
20−22
21−24
ultra / 1080p
14−16
16−18
QHD / 1440p
−
16−18
low / 720p
80−85
85−90
medium / 1080p
40−45
45−50
The average gaming FPS of Iris Plus Graphics 655 in Fortnite is 7% more, than GeForce GTX 580M.
high / 1080p
20−22
21−24
ultra / 1080p
16−18
16−18
QHD / 1440p
5−6
7−8
low / 720p
40−45
45−50
medium / 1080p
21−24
24−27
The average gaming FPS of Iris Plus Graphics 655 in Forza Horizon 4 is 14% more, than GeForce GTX 580M.
low / 768p
70−75
75−80
medium / 768p
60−65
65−70
high / 1080p
21−24
24−27
ultra / 1080p
9−10
10−11
QHD / 1440p
0−1
1−2
The average gaming FPS of Iris Plus Graphics 655 in Grand Theft Auto V is 9% more, than GeForce GTX 580M.
high / 1080p
7−8
8−9
ultra / 1080p
5−6
6−7
4K / 2160p
1−2
2−3
low / 720p
21−24
24−27
medium / 1080p
10−11
10−12
The average gaming FPS of Iris Plus Graphics 655 in Metro Exodus is 11% more, than GeForce GTX 580M.
low / 768p
100−110
100−110
ultra / 1080p
95−100
95−100
medium / 1080p
100−110
100−110
GeForce GTX 580M and Iris Plus Graphics 655 have the same average FPS in Minecraft.
high / 1080p
20−22
21−24
ultra / 1080p
16−18
16−18
low / 720p
45−50
50−55
medium / 1080p
21−24
21−24
The average gaming FPS of Iris Plus Graphics 655 in PLAYERUNKNOWN'S BATTLEGROUNDS is 3% more, than GeForce GTX 580M.
high / 1080p
12−14
12−14
ultra / 1080p
8−9
9−10
QHD / 1440p
0−1
0−1
low / 720p
21−24
24−27
medium / 1080p
14−16
14−16
The average gaming FPS of Iris Plus Graphics 655 in Red Dead Redemption 2 is 7% more, than GeForce GTX 580M.
low / 768p
40−45
45−50
medium / 768p
24−27
27−30
high / 1080p
14−16
16−18
ultra / 1080p
9−10
9−10
4K / 2160p
7−8
7−8
The average gaming FPS of Iris Plus Graphics 655 in The Witcher 3: Wild Hunt is 10% more, than GeForce GTX 580M.
low / 768p
95−100
95−100
medium / 768p
55−60
55−60
ultra / 1080p
27−30
30−35
high / 768p
45−50
50−55
The average gaming FPS of Iris Plus Graphics 655 in World of Tanks is 5% more, than GeForce GTX 580M.
Full Specs
GeForce GTX 580M
Iris Plus Graphics 655
Architecture
Fermi
Gen. 9.5 Kaby Lake
Code name
N12E-GTX2
Kaby Lake GT3e
Type
Laptop
Laptop
Release date
28 June 2011
1 September 2017
Pipelines
384
48
Core clock speed
620 MHz
300 MHz
Boost Clock
1200 MHz
Transistor count
1,950 million
189 million
Manufacturing process technology
40 nm
14 nm
Texture fill rate
39.7 billion/sec
50.40
Floating-point performance
952.3 gflops
Memory bus width
256 Bit
Memory clock speed
1500 MHz
Memory bandwidth
96.0 GB/s
Shared memory
-
+
DirectX
12 API
12 (12_1)
Shader Model
5.1
6.4
OpenGL
4.5
4.6
OpenCL
1.1
2.1
Vulkan
N/A
1.1.103
CUDA
+
CUDA cores
384
Bus support
PCI-E 2.0
SLI options
+
3D Blu-Ray
+
3D Gaming
+
Bitcoin / BTC (SHA256)
40 Mh/s
Laptop size
large
Optimus
+
Quick Sync
+
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