Radeon RX 580 and Iris Plus Graphics 645 - video card comparison
Passmark - benchmark score Radeon RX 580 vs Iris Plus Graphics 645
Radeon RX 580
9140
Iris Plus Graphics 645
1779
Radeon RX 580
Iris Plus Graphics 645
Architecture
Polaris (2016−2019)
Gen. 9.5 Coffee Lake (2019)
GPU code name
Polaris 20
Kaby Lake GT3e
Market segment
Desktop
Laptop
Release date
April 2017
July 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
1x 8-pin
-
Boost clock speed
1340 MHz
1150 MHz
Core clock speed
1257 MHz
300 MHz
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
5,700 million
-
Pipelines / CUDA cores
2304
48
Power consumption (TDP)
185 Watt
15 Watt
Texture fill rate
193.0
50.40
Memory type
GDDR5
DDR3, DDR4
Maximum RAM amount
8 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
8000 MHz
System Shared
Memory bandwidth
256.0 GB/s
-
Shared memory
-
+
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
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
-
+