Radeon HD 7850M and Radeon HD 6950M - video card comparison
Radeon HD 7850M
Radeon HD 6950M
Architecture
GCN (2011−2017)
Terascale 2 (2009−2015)
GPU code name
Heathrow Pro
Blackcomb Pro
Market segment
Laptop
Laptop
Release date
April 2012
January 2011
Interface
PCIe 3.0 x16
MXM-B (3.0)
Core clock speed
675 MHz
580 MHz
Floating-point performance
864.0 gflops
1,113.6 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,500 million
1,700 million
Pipelines / CUDA cores
640
960
Power consumption (TDP)
40 Watt
50 Watt
Texture fill rate
27.00
27.84
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4000 MHz
900 MHz
Memory bandwidth
64 GB/s
115.2 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.2.131
N/A