Iris Pro Graphics 580 and HD Graphics 620 - video card comparison
Passmark - benchmark score Iris Pro Graphics 580 vs HD Graphics 620
Iris Pro Graphics 580
1896
HD Graphics 620
963
Iris Pro Graphics 580
HD Graphics 620
Architecture
Gen. 9 Skylake (2015−2016)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
Skylake GT4e
Kaby-Lake GT2
Market segment
Laptop
Laptop
Release date
September 2015
August 2016
Interface
PCIe 3.0 x1
PCIe 3.0 x1
Boost clock speed
1050 MHz
1050 MHz
Core clock speed
350 MHz
300 MHz
Floating-point performance
-
403.2 gflops
Manufacturing process technology
14 nm
14 nm
Number of transistors
189 million
189 million
Pipelines / CUDA cores
72
24
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
72.00
25.20
Memory type
DDR3L/LPDDR3/DDR4
DDR3L/LPDDR3/LPDDR4
Maximum RAM amount
64 GB
32 GB
Memory bus width
eDRAM + 64/128 Bit
64/128 Bit
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
+
Quick Sync
+
+