Radeon HD 4770 and Radeon HD 2600 XT - video card comparison
Passmark - benchmark score Radeon HD 4770 vs Radeon HD 2600 XT
Radeon HD 4770
935
Radeon HD 2600 XT
290
Radeon HD 4770
Radeon HD 2600 XT
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV740
RV630
Market segment
Desktop
Desktop
Release date
April 2009
June 2007
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
750 MHz
800 MHz
Floating-point performance
960.0 gflops
192 gflops
Manufacturing process technology
40 nm
65 nm
Number of transistors
826 million
390 million
Pipelines / CUDA cores
640
120
Power consumption (TDP)
80 Watt
45 Watt
Texture fill rate
24.00
6.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
512 MB
256 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
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
10.0 (10_0)
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A