
Iris Plus Graphics 640 and Iris Graphics 540 - video card comparison
Passmark - benchmark score Iris Plus Graphics 640 vs Iris Graphics 540
Iris Plus Graphics 640
1534
Iris Graphics 540
1296
Iris Plus Graphics 640
Iris Graphics 540
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Gen. 9 Skylake (2015−2016)
GPU code name
Kaby Lake GT3e
Skylake GT3e
Market segment
Laptop
Laptop
Release date
January 2017
September 2015
Interface
PCIe 3.0 x1
PCIe 3.0 x1
Boost clock speed
1050 MHz
1050 MHz
Core clock speed
300 MHz
300 MHz
Manufacturing process technology
14 nm
14 nm
Number of transistors
189 million
189 million
Pipelines / CUDA cores
48
48
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
52.80
50.40
Memory type
DDR3L/LPDDR3/DDR4
eDRAM
Maximum RAM amount
32 GB
64 MB
Memory bus width
64/128 Bit
eDRAM + 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
1.1.103
1.1.97
Quick Sync
+
+