Radeon HD 5770 and Radeon X1900 XT - video card comparison
Radeon HD 5770
Radeon X1900 XT
Architecture
Terascale 2 (2009−2015)
R500 (2005−2007)
GPU code name
Juniper
R580
Market segment
Desktop
Desktop
Release date
October 2009
January 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
850 MHz
625 MHz
Floating-point performance
1,360.0 gflops
-
Manufacturing process technology
40 nm
90 nm
Number of transistors
1,040 million
384 million
Pipelines / CUDA cores
800
-
Power consumption (TDP)
108 Watt
100 Watt
Texture fill rate
34.00
10.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4800 MHz
1450 MBps
Memory bandwidth
76.8 GB/s
46.4 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
HDMI
+
-
DirectX
11.2 (11_0)
9.0c (9_3)
OpenCL
1.2
N/A
OpenGL
4.4
2.1 (full)
Shader Model5.03.0
Vulkan
N/A
N/A