Radeon HD 7670M and Radeon HD 4650 - video card comparison
Passmark - benchmark score Radeon HD 7670M vs Radeon HD 4650
Radeon HD 7670M
489
Radeon HD 4650
246
Radeon HD 7670M
Radeon HD 4650
Architecture
Terascale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Thames XT
RV730
Market segment
Laptop
Desktop
Release date
June 2011
September 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
600 MHz
600 MHz
Floating-point performance
576.0 gflops
384.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
716 million
514 million
Pipelines / CUDA cores
480
320
Power consumption (TDP)
20 Watt
48 Watt
Texture fill rate
14.40
19.20
Memory type
DDR3, (GDDR5)
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
1400 MHz
Memory bandwidth
28.8 GB/s
22.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
10.1 (10_1)
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A