GeForce 8800 Ultra and GeForce 7900 GTX - video card comparison
Passmark - benchmark score GeForce 8800 Ultra vs GeForce 7900 GTX
GeForce 8800 Ultra
661
GeForce 7900 GTX
399
GeForce 8800 Ultra
GeForce 7900 GTX
Architecture
Tesla (2006−2010)
Curie (2003−2013)
GPU code name
G80
G71
Market segment
Desktop
Desktop
Release date
May 2007
March 2006
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
650 MHz
CUDA cores
612
-
Floating-point performance
387.1 gflops
-
Manufacturing process technology
90 nm
90 nm
Number of transistors
681 million
278 million
Pipelines / CUDA cores
128
-
Power consumption (TDP)
171 Watt
84 Watt
Texture fill rate
39.2 billion/sec
15.60
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1080 MHz
1600 MHz
Memory bandwidth
103.7 GB/s
51.2 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 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