Iris Pro Graphics P580 and Iris Pro Graphics P555 - video card comparison
Iris Pro Graphics P580
Iris Pro Graphics P555
Architecture
Gen. 9 Skylake (2015−2016)
Generation 9.0 (2015)
GPU code name
Skylake GT4e
Skylake GT3e
Market segment
Laptop
Desktop
Release date
September 2015
September 2015
Interface
PCIe 3.0 x1
PCIe 3.0 x1
Boost clock speed
1100 MHz
1000 MHz
Core clock speed
350 MHz
350 MHz
Manufacturing process technology
14 nm
14 nm+
Number of transistors
189 million
189 million
Pipelines / CUDA cores
72
384
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
75.60
48.00
Memory type
DDR3L/LPDDR3/DDR4
System Shared
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
1.1.97
Quick Sync
+
-