Radeon HD 4770 and Radeon HD 3850 - video card comparison
Passmark - benchmark score Radeon HD 4770 vs Radeon HD 3850
Radeon HD 4770
935
Radeon HD 3850
404
Radeon HD 4770
Radeon HD 3850
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV740
RV670
Market segment
Desktop
Desktop
Release date
April 2009
November 2007
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
750 MHz
668 MHz
Floating-point performance
960.0 gflops
427.5 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
826 million
666 million
Pipelines / CUDA cores
640
320
Power consumption (TDP)
80 Watt
75 Watt
Texture fill rate
24.00
10.69
Memory type
GDDR5
GDDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
3200 MHz
1660 MHz
Memory bandwidth
51.2 GB/s
53.12 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
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A