Radeon HD 6970M and Radeon HD 8870M - video card comparison
Passmark - benchmark score Radeon HD 6970M vs Radeon HD 8870M
Radeon HD 6970M
2338
Radeon HD 8870M
1687
Radeon HD 6970M
Radeon HD 8870M
Architecture
Terascale 2 (2009−2015)
GCN (2011−2017)
GPU code name
Blackcomb XT
Venus
Market segment
Laptop
Laptop
Release date
January 2011
December 2012
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
-
775 MHz
Core clock speed
680 MHz
725 MHz
Floating-point performance
1,305.6 gflops
992.0 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,700 million
1,500 million
Pipelines / CUDA cores
960
640
Power consumption (TDP)
75-100 Watt
-
Texture fill rate
32.64
31.00
Memory type
GDDR5
GDDR5, DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
900 MHz
4500 MHz
Memory bandwidth
115.2 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.2.131