
Radeon X1900 XT and GeForce 8800 GT Mac Edition - video card comparison
Radeon X1900 XT
GeForce 8800 GT Mac Edition
Architecture
R500 (2005−2007)
Tesla (2006−2010)
GPU code name
R580
G92
Market segment
Desktop
Desktop
Release date
January 2006
February 2008
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Core clock speed
625 MHz
600 MHz
Floating-point performance
-
336.0 gflops
Manufacturing process technology
90 nm
65 nm
Number of transistors
384 million
754 million
Pipelines / CUDA cores
-
112
Power consumption (TDP)
100 Watt
125 Watt
Texture fill rate
10.00
33.60
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1450 MBps
1800 MHz
Memory bandwidth
46.4 GB/s
57.6 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI
DirectX
9.0c (9_3)
11.1 (10_0)
CUDA
-
1.1
OpenCL
N/A
1.1
OpenGL
2.1 (full)
Shader Model
3.04.0
Vulkan
N/A
N/A