Radeon HD 4890 and Radeon HD 7670M - video card comparison
Passmark - benchmark score Radeon HD 4890 vs Radeon HD 7670M
Radeon HD 4890
1552
Radeon HD 7670M
489
Radeon HD 4890
Radeon HD 7670M
Architecture
TeraScale (2005−2013)
Terascale 2 (2009−2015)
GPU code name
RV790
Thames XT
Market segment
Desktop
Laptop
Release date
April 2009
June 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
-
Core clock speed
850 MHz
600 MHz
Floating-point performance
1,360.0 gflops
576.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
959 million
716 million
Pipelines / CUDA cores
800
480
Power consumption (TDP)
190 Watt
20 Watt
Texture fill rate
34.00
14.40
Memory type
GDDR5
DDR3, (GDDR5)
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3900 MHz
1800 MHz
Memory bandwidth
124.8 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
11.2 (11_0)
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A