Iris Pro Graphics P580 and Radeon R7 Graphics - video card comparison
Iris Pro Graphics P580
Radeon R7 Graphics
Architecture
Gen. 9 Skylake (2015−2016)
GCN 2.0 (2013−2017)
GPU code name
Skylake GT4e
Spectre
Market segment
Laptop
Desktop
Release date
September 2015
January 2014
Interface
PCIe 3.0 x1
IGP
Boost clock speed
1100 MHz
980 MHz
Core clock speed
350 MHz
686 MHz
Floating-point performance
-
526.8 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
2,410 million
Pipelines / CUDA cores
72
512
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
75.60
31.36
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_0)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.0
Vulkan
1.1.97
1.2.131
Quick Sync
+
-