Radeon X1950 XTX and GeForce 8500 GT - video card comparison
Radeon X1950 XTX
GeForce 8500 GT
Architecture
R500 (2005−2007)
Tesla (2006−2010)
GPU code name
R580+
G86
Market segment
Desktop
Desktop
Release date
October 2006
April 2007
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
1x 6-pin
None
SLI options
-
+
Core clock speed
650 MHz
459 MHz
Floating-point performance
-
29.376 gflops
Manufacturing process technology
90 nm
80 nm
Number of transistors
384 million
210 million
Pipelines / CUDA cores
-
16
Power consumption (TDP)
125 Watt
30 Watt
Texture fill rate
10.40
3.6 billion/sec
Memory type
GDDR4
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
2000 MHz
800 MHz
Memory bandwidth
64 GB/s
12.8 GB/s
Standard memory config per GPU
-
256 MB
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
9.0c (9_3)
11.1 (10_0)
CUDA
-
1.1
OpenCL
N/A
1.1
OpenGL
2.0
2.1
Shader Model
3.0
4.0
Vulkan
N/A
N/A