Iris Pro Graphics 580 and HD Graphics 2500 - video card comparison
Iris Pro Graphics 580
HD Graphics 2500
Architecture
Gen. 9 Skylake (2015−2016)
Gen. 7 Ivy Bridge (2011−2012)
GPU code name
Skylake GT4e
Ivy Bridge GT1
Market segment
Laptop
Laptop
Release date
September 2015
April 2012
Interface
PCIe 3.0 x1
PCIe 1.0 x16
Boost clock speed
1050 MHz
1150 MHz
Core clock speed
350 MHz
650 MHz
Floating-point performance
-
13.8 gflops
Manufacturing process technology
14 nm
22 nm
Number of transistors
189 million
392 million
Pipelines / CUDA cores
72
6
Power consumption (TDP)
15 Watt
unknown
Texture fill rate
72.00
6.900
Memory type
DDR3L/LPDDR3/DDR4
System Shared
Maximum RAM amount
64 GB
System Shared
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)
11.1 (11_0)
OpenCL
2.1
1.2
OpenGL
4.6
4.0
Shader Model
6.4
5.0
Vulkan
1.1.97
1.1.80
Quick Sync
+
-