
GeForce GTX 580 and Radeon X1950 XTX - video card comparison
GeForce GTX 580
Radeon X1950 XTX
Architecture
Fermi (2010−2014)
R500 (2005−2007)
GPU code name
GF110
R580+
Market segment
Desktop
Desktop
Release date
November 2010
October 2006
Bus support
PCI-E 2.0 x 16
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
One 6-pin and One 8-pin
1x 6-pin
SLI options
+
-
Core clock speed
772 MHz
650 MHz
CUDA cores
512
-
Floating-point performance
1,581.1 gflops
-
Manufacturing process technology
40 nm
90 nm
Number of transistors
3,000 million
384 million
Pipelines / CUDA cores
512
-
Power consumption (TDP)
244 Watt
125 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
49.4 billion/sec
10.40
Memory type
GDDR5
GDDR4
Maximum RAM amount
1536 MB
512 MB
Memory bus width
384 Bit
256 Bit
Memory clock speed
2004 MHz (4008 data rate)
2000 MHz
Memory bandwidth
192.4 GB/s
64 GB/s
Display Connectors
Mini HDMITwo Dual Link DVI
2x DVI, 1x S-Video
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.2
2.0
Shader Model
5.1
3.0
Vulkan
+
N/A