
GeForce GTX 260 and Radeon HD 2950 XTX - video card comparison
GeForce GTX 260
Radeon HD 2950 XTX
Architecture
Tesla 2.0 (2007−2013)
TeraScale (2005−2013)
GPU code name
GT200
RV670
Market segment
Desktop
Desktop
Release date
June 2008
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
SLI options
+
-
Core clock speed
576 MHz
777 MHz
CUDA cores
192
-
Floating-point performance
476.9 gflops
-
Manufacturing process technology
65 nm
55 nm
Number of transistors
1,400 million
666 million
Pipelines / CUDA cores
192
320
Power consumption (TDP)
182 Watt
110 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
36.9 billion/sec
12.43
Memory type
GDDR3
GDDR4
Maximum RAM amount
896 MB
512 MB
Memory bus width
448 Bit
256 Bit
Memory clock speed
999 MHz
2.3 GB/s
Memory bandwidth
111.9 GB/s
72.06 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)
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
2.1
3.3 (full)
Shader Model4.04.1
Vulkan
N/A
N/A