Radeon HD 7950 Boost and Radeon HD 7670M Rebrand - video card comparison
Radeon HD 7950 Boost
Radeon HD 7670M Rebrand
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Tahiti
Whistler
Market segment
Desktop
Desktop
Release date
June 2012
July 2012
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
-
Boost clock speed
925 MHz
-
Core clock speed
850 MHz
600 MHz
Floating-point performance
3,315 gflops
576.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
4,313 million
716 million
Pipelines / CUDA cores
1792
480
Power consumption (TDP)
200 Watt
20 Watt
Texture fill rate
103.6
14.40
Memory type
GDDR5
GDDR3
Maximum RAM amount
3 GB
1 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
5000 MHz
1800 MHz
Memory bandwidth
240.0 GB/s
28.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
HDMI
+
-
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