GeForce GTX 580M and Iris Plus Graphics 655 - video card comparison
Passmark - benchmark score GeForce GTX 580M vs Iris Plus Graphics 655
GeForce GTX 580M
2136
Iris Plus Graphics 655
1787
GeForce GTX 580M
Iris Plus Graphics 655
Architecture
Fermi (2010−2014)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
N12E-GTX2
Kaby Lake GT3e
Market segment
Laptop
Laptop
Release date
June 2011
September 2017
Bus support
PCI-E 2.0
-
Interface
MXM-B (3.0)
PCIe 3.0 x1
Supplementary power connectors
None
-
SLI options
+
-
Boost clock speed
-
1200 MHz
Core clock speed
620 MHz
300 MHz
CUDA cores
384
-
Floating-point performance
952.3 gflops
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
1,950 million
189 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
100 Watt
15 Watt
Texture fill rate
39.7 billion/sec
50.40
Memory type
GDDR5
DDR3/DDR4
Maximum RAM amount
2 MB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
1500 MHz
System Shared
Memory bandwidth
96.0 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 API
12 (12_1)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.4
Vulkan
N/A
1.1.103
3D Blu-Ray
+
-
3D Gaming
+
-
Optimus
+
-
Quick Sync
-
+