Iris Pro Graphics 580 and Iris Plus Graphics 645 - video card comparison
Passmark - benchmark score Iris Pro Graphics 580 vs Iris Plus Graphics 645
Iris Pro Graphics 580
1896
Iris Plus Graphics 645
1779
Iris Pro Graphics 580
Iris Plus Graphics 645
Architecture
Gen. 9 Skylake (2015−2016)
Gen. 9.5 Coffee Lake (2019)
GPU code name
Skylake GT4e
Kaby Lake GT3e
Market segment
Laptop
Laptop
Release date
September 2015
July 2019
Interface
PCIe 3.0 x1
PCIe 3.0 x1
Boost clock speed
1050 MHz
1150 MHz
Core clock speed
350 MHz
300 MHz
Manufacturing process technology
14 nm
14 nm
Number of transistors
189 million
-
Pipelines / CUDA cores
72
48
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
72.00
50.40
Memory type
DDR3L/LPDDR3/DDR4
DDR3, DDR4
Maximum RAM amount
64 GB
System Shared
Memory bus width
eDRAM + 64/128 Bit
System Shared
Memory clock speed
System Shared
System Shared
Shared memory
+
+
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (12_1)
OpenCL
2.1
2.1
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.1.97
1.1.103
Quick Sync
+
+