Radeon Pro 580 and Iris Plus Graphics 655 - video card comparison
Passmark - benchmark score Radeon Pro 580 vs Iris Plus Graphics 655
Radeon Pro 580
7986
Iris Plus Graphics 655
1787
Radeon Pro 580
Iris Plus Graphics 655
Architecture
GCN 4.0 (2016−2020)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
Polaris 20
Kaby Lake GT3e
Market segment
Mobile workstation
Laptop
Release date
June 2017
September 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
None
-
Boost clock speed
1200 MHz
1200 MHz
Core clock speed
1100 MHz
300 MHz
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
5,700 million
189 million
Pipelines / CUDA cores
2304
48
Power consumption (TDP)
150 Watt
15 Watt
Texture fill rate
172.8
50.40
Memory type
GDDR5
DDR3/DDR4
Maximum RAM amount
8 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
6780 MHz
System Shared
Memory bandwidth
217.0 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.1.103
Quick Sync
-
+