Radeon HD 7950M vs Radeon HD 6970M X2

Radeon HD 7950M
Radeon HD 6970M X2
1280 Shaders
2GB GDDR5
700MHz
2x 960 Shaders
2x 2GB GDDR5
680MHz
FP32
1.79 TFLOPS
FP32
2.61 TFLOPS
-
-
-
-
Form Factor
MXM-B
-
Form Factor
MXM-B
-
TDP
75W
TDP
75W
-
-
-
-
-
-
-
-
-
-
GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
AMD
Manufacturer
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
GCN 1
Architecture
TeraScale 2
Family
Radeon HD 7000
Family
Radeon HD 6000
Codename
Pitcairn
-
Variant
Wimbledon XT
Codename
Barts
RV940
Variant
Blackcomb XT
Market Segment
Laptop
Market Segment
Laptop
Release Date
4/24/2012
Release Date
1/4/2011
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
40nm
-
Die Size
212 mm²
-
Die Size
2x 255 mm²
-
Transistor Count
2.8 Billion
-
Transistor Count
2x 1.7 Billion
-
Transistor Density
13.21M/mm²
-
Transistor Density
6.67M/mm²
-
Form
MXM-B
Form
MXM-B
Shading Units
1280 Shaders
-
Shading Units
2x 960 Shaders
-
Texture Mapping Units
80 TMUs
Texture Mapping Units
2x 48 TMUs
Render Output Units
32 ROPs
Render Output Units
2x 32 ROPs
-
-
-
-
-
-
-
-
-
-
-
-
Compute Units
20 CUs
Compute Units
2x 12 CUs
-
-
-
-
-
-
-
-
-
-
-
700MHz
-
-
-
680MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FP32
1.79 TFLOPS
FP32
2.61 TFLOPS
-
-
-
-
FP64
0.11 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
22.4 GPixel/s
Pixel Fillrate
21.76 GPixel/s
-
-
-
-
Texture Fillrate
56 GTexel/s
Texture Fillrate
32.64 GTexel/s
-
-
-
-
L1
-
-
16KB/CU
-
L1
-
-
8KB/CU
-
L2
512KB Shared
L2
512KB Shared
-
-
-
-
-
-
2GB
GDDR5
-
2x 2GB
GDDR5
-
Bus Width
256Bit
Bus Width
256Bit
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
128GB/s
Clock
900MHz
Transfer Rate
3.6GT/s
Bandwidth
115.2GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
75W
TDP
75W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
Max Resolution
4096x2160
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
-
-
Variable Refresh Rate
-
-
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
2
-
-
-
-
Model
VCE 1.0
No Encoders
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Model
UVD 4.0
Model
UVD 3.0
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Direct X
12
Direct 3D
11_1
Direct X
11
Direct 3D
11_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.5
OpenCL
1.2
-
-
Shader Model
6.5
-
-
GFX
6
-
-
-
-
Shader Model
5.0
-
-
GFX
4
-
-
-
-
Not a Card
-
-
-
Not a Card
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PCIe Version
3.0
PCIe Lanes
16
-
-
PCIe Version
2.1
PCIe Lanes
16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Change Results