GeForce 8800 Ultra and GeForce 6600 GT Dual - video card comparison
GeForce 8800 Ultra
GeForce 6600 GT Dual
Architecture
Tesla (2006−2010)
Curie (2003−2013)
GPU code name
G80
NV43 A2
Market segment
Desktop
Desktop
Release date
May 2007
August 2004
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
SLI options
+
-
Core clock speed
612 MHz
500 MHz
CUDA cores
612
-
Floating-point performance
387.1 gflops
-
Manufacturing process technology
90 nm
110 nm
Number of transistors
681 million
146 million
Pipelines / CUDA cores
128
-
Power consumption (TDP)
171 Watt
-
Texture fill rate
39.2 billion/sec
4.000
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
128 MB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1080 MHz
1120 MHz
Memory bandwidth
103.7 GB/s
17.92 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
11.1 (10_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
3.3
2.1
Shader Model
4.0
3.0
Vulkan
N/A
N/A