Radeon HD 4750 and Radeon HD 4670 X2 - video card comparison
Radeon HD 4750
Radeon HD 4670 X2
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV740
RV730
Market segment
Desktop
Desktop
Release date
September 2009
September 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
730 MHz
750 MHz
Floating-point performance
934.4 gflops
2x 480.0 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
826 million
514 million
Pipelines / CUDA cores
640
320
Power consumption (TDP)
100 Watt
118 Watt
Texture fill rate
23.36
24.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
3200 MHz
1400 MHz
Memory bandwidth
51.2 GB/s
22.4 GB/s
Display Connectors
2x DVI, 1x S-Video
4x DVI
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A