
Radeon HD 4770 and Radeon X1950 PRO - video card comparison
Passmark - benchmark score Radeon HD 4770 vs Radeon X1950 PRO
Radeon HD 4770
935
Radeon X1950 PRO
115
Radeon HD 4770
Radeon X1950 PRO
Architecture
TeraScale (2005−2013)
R500 (2005−2007)
GPU code name
RV740
RV570
Market segment
Desktop
Desktop
Release date
April 2009
October 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
750 MHz
575 MHz
Floating-point performance
960.0 gflops
-
Manufacturing process technology
40 nm
80 nm
Number of transistors
826 million
330 million
Pipelines / CUDA cores
640
-
Power consumption (TDP)
80 Watt
66 Watt
Texture fill rate
24.00
6.900
Memory type
GDDR5
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
3200 MHz
1380 MHz
Memory bandwidth
51.2 GB/s
44.16 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
1.1
N/A
OpenGL
3.3
2.0
Shader Model
4.1
3.0
Vulkan
N/A
N/A