Radeon HD 4770 and Radeon HD 4750 - video card comparison
Radeon HD 4770
Radeon HD 4750
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV740
RV740
Market segment
Desktop
Desktop
Release date
April 2009
September 2009
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
750 MHz
730 MHz
Floating-point performance
960.0 gflops
934.4 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
826 million
826 million
Pipelines / CUDA cores
640
640
Power consumption (TDP)
80 Watt
100 Watt
Texture fill rate
24.00
23.36
Memory type
GDDR5
GDDR5
Maximum RAM amount
512 MB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
3200 MHz
3200 MHz
Memory bandwidth
51.2 GB/s
51.2 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
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