Iris Pro Graphics 580 and GeForce 945A - video card comparison
Passmark - benchmark score Iris Pro Graphics 580 vs GeForce 945A
Iris Pro Graphics 580
1896
GeForce 945A
1908
Iris Pro Graphics 580
GeForce 945A
Architecture
Gen. 9 Skylake (2015−2016)
Maxwell (2014−2018)
GPU code name
Skylake GT4e
GM108
Market segment
Laptop
Desktop
Release date
September 2015
March 2015
Interface
PCIe 3.0 x1
PCIe 3.0 x8
Boost clock speed
1050 MHz
1189 MHz
Core clock speed
350 MHz
1072 MHz
Floating-point performance
-
903.2 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
-
Pipelines / CUDA cores
72
384
Power consumption (TDP)
15 Watt
33 Watt
Texture fill rate
72.00
28.54
Memory type
DDR3L/LPDDR3/DDR4
GDDR5
Maximum RAM amount
64 GB
1 GB
Memory bus width
eDRAM + 64/128 Bit
64 Bit
Memory clock speed
System Shared
5012 MHz
Memory bandwidth
-
40.1 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (11_0)
CUDA
-
5.0
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.1.97
1.1.126
Quick Sync
+
-