GeForce 8800 Ultra and Radeon HD 2900 XT - video card comparison
Passmark - benchmark score GeForce 8800 Ultra vs Radeon HD 2900 XT
GeForce 8800 Ultra
661
Radeon HD 2900 XT
679
GeForce 8800 Ultra
Radeon HD 2900 XT
Architecture
Tesla (2006−2010)
TeraScale (2005−2013)
GPU code name
G80
R600
Market segment
Desktop
Desktop
Release date
May 2007
May 2007
Interface
PCIe 1.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin + 1x 8-pin
SLI options
+
-
Core clock speed
612 MHz
743 MHz
CUDA cores
612
-
Floating-point performance
387.1 gflops
475.5 gflops
Manufacturing process technology
90 nm
80 nm
Number of transistors
681 million
720 million
Pipelines / CUDA cores
128
320
Power consumption (TDP)
171 Watt
215 Watt
Texture fill rate
39.2 billion/sec
11.89
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
384 Bit
512 Bit
Memory clock speed
1080 MHz
1656 MHz
Memory bandwidth
103.7 GB/s
106.0 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
11.1 (10_0)
10.0 (10_0)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.0
4.0
Vulkan
N/A
N/A