GeForce GTX 260 and Radeon X1950 XT - video card comparison
GeForce GTX 260
Radeon X1950 XT
Architecture
Tesla 2.0 (2007−2013)
R500 (2005−2007)
GPU code name
GT200
R580+
Market segment
Desktop
Desktop
Release date
June 2008
October 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
SLI options
+
-
Core clock speed
576 MHz
625 MHz
CUDA cores
192
-
Floating-point performance
476.9 gflops
-
Manufacturing process technology
65 nm
90 nm
Number of transistors
1,400 million
384 million
Pipelines / CUDA cores
192
-
Power consumption (TDP)
182 Watt
96 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
36.9 billion/sec
10.00
Memory type
GDDR3
GDDR3
Maximum RAM amount
896 MB
256 MB
Memory bus width
448 Bit
256 Bit
Memory clock speed
999 MHz
1800 MHz
Memory bandwidth
111.9 GB/s
57.6 GB/s
Display Connectors
Dual Link DVIHDTV
2x DVI, 1x S-Video
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
2.1
2.0
Shader Model
4.0
3.0
Vulkan
N/A
N/A