
Iris Plus Graphics 655 and Radeon RX 580 2048SP - video card comparison
Passmark - benchmark score Iris Plus Graphics 655 vs Radeon RX 580 2048SP
Iris Plus Graphics 655
1787
Radeon RX 580 2048SP
7930
Iris Plus Graphics 655
Radeon RX 580 2048SP
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
GCN 4.0 (2016−2020)
GPU code name
Kaby Lake GT3e
Polaris 20
Market segment
Laptop
Desktop
Release date
September 2017
October 2018
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
1200 MHz
1284 MHz
Core clock speed
300 MHz
1168 MHz
Manufacturing process technology
14 nm
14 nm
Number of transistors
189 million
5,700 million
Pipelines / CUDA cores
48
2048
Power consumption (TDP)
15 Watt
150 Watt
Texture fill rate
50.40
164.4
Memory type
DDR3/DDR4
GDDR5
Maximum RAM amount
System Shared
8 GB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
7000 MHz
Memory bandwidth
-
224.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (12_1)
12 (12_0)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.1.103
1.2.131
Quick Sync
+
-