Radeon HD 6990 and Radeon HD 7670M - video card comparison
Passmark - benchmark score Radeon HD 6990 vs Radeon HD 7670M
Radeon HD 6990
3103
Radeon HD 7670M
489
Radeon HD 6990
Radeon HD 7670M
Architecture
TeraScale 3 (2010−2013)
Terascale 2 (2009−2015)
GPU code name
Antilles
Thames XT
Market segment
Desktop
Laptop
Release date
March 2011
June 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 8-pin
-
Core clock speed
830 MHz
600 MHz
Floating-point performance
2x 2,549.8 gflops
576.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
2,640 million
716 million
Pipelines / CUDA cores
1536
480
Power consumption (TDP)
375 Watt
20 Watt
Texture fill rate
79.68
14.40
Memory type
GDDR5
DDR3, (GDDR5)
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5000 MHz
1800 MHz
Memory bandwidth
160.0 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 4x mini-DisplayPort
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