Radeon HD 6970M and Radeon HD 6770M - video card comparison
Passmark - benchmark score Radeon HD 6970M vs Radeon HD 6770M
Radeon HD 6970M
2338
Radeon HD 6770M
993
Radeon HD 6970M
Radeon HD 6770M
Architecture
Terascale 2 (2009−2015)
Terascale 2 (2009−2015)
GPU code name
Blackcomb XT
Whistler-XT
Market segment
Laptop
Laptop
Release date
January 2011
January 2011
Interface
MXM-B (3.0)
MXM-A (3.0)
Supplementary power connectors
None
-
Core clock speed
680 MHz
675 / 725 MHz
Floating-point performance
1,305.6 gflops
696.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,700 million
716 million
Pipelines / CUDA cores
960
480
Power consumption (TDP)
75-100 Watt
35 Watt
Texture fill rate
32.64
17.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
900 MHz
800 MHz
Memory bandwidth
115.2 GB/s
57.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
N/A
N/A