Radeon HD 6970M and Iris Plus Graphics 640 - video card comparison
Passmark - benchmark score Radeon HD 6970M vs Iris Plus Graphics 640
Radeon HD 6970M
2338
Iris Plus Graphics 640
1534
Radeon HD 6970M
Iris Plus Graphics 640
Architecture
Terascale 2 (2009−2015)
Gen. 9.5 Kaby Lake (2015−2017)
GPU code name
Blackcomb XT
Kaby Lake GT3e
Market segment
Laptop
Laptop
Release date
January 2011
January 2017
Interface
MXM-B (3.0)
PCIe 3.0 x1
Supplementary power connectors
None
-
Boost clock speed
-
1050 MHz
Core clock speed
680 MHz
300 MHz
Floating-point performance
1,305.6 gflops
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
1,700 million
189 million
Pipelines / CUDA cores
960
48
Power consumption (TDP)
75-100 Watt
15 Watt
Texture fill rate
32.64
52.80
Memory type
GDDR5
DDR3L/LPDDR3/DDR4
Maximum RAM amount
2 GB
32 GB
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
900 MHz
System Shared
Memory bandwidth
115.2 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (12_1)
OpenCL
1.2
2.1
OpenGL
4.4
4.6
Shader Model
5.0
6.4
Vulkan
N/A
1.1.103
Quick Sync
-
+