GeForce 8600 GT and Radeon X1800 XL - video card comparison
GeForce 8600 GT
Radeon X1800 XL
Architecture
Tesla (2006−2010)
R500 (2005−2007)
GPU code name
G84
R520
Market segment
Desktop
Desktop
Release date
April 2007
October 2005
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
SLI options
+
-
Core clock speed
540 MHz
500 MHz
Floating-point performance
76.16 gflops
-
Manufacturing process technology
80 nm
90 nm
Number of transistors
289 million
321 million
Pipelines / CUDA cores
32
-
Power consumption (TDP)
47 Watt
70 Watt
Texture fill rate
8.6 billion/sec
8.000
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
700 MHz
1000 MHz
Memory bandwidth
22.4 GB/s
32 GB/s
Standard memory config per GPU
256 MB
-
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
11.1 (10_0)
9.0c (9_3)
CUDA
1.1
-
OpenCL
1.1
N/A
OpenGL
2.1
2.0
Shader Model
4.0
3.0
Vulkan
N/A
N/A