GeForce 8800 Ultra and GeForce 8800 GT Mac Edition - video card comparison
GeForce 8800 Ultra
GeForce 8800 GT Mac Edition
Architecture
Tesla (2006−2010)
Tesla (2006−2010)
GPU code name
G80
G92
Market segment
Desktop
Desktop
Release date
May 2007
February 2008
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
SLI options
+
-
Core clock speed
612 MHz
600 MHz
CUDA cores
612
-
Floating-point performance
387.1 gflops
336.0 gflops
Manufacturing process technology
90 nm
65 nm
Number of transistors
681 million
754 million
Pipelines / CUDA cores
128
112
Power consumption (TDP)
171 Watt
125 Watt
Texture fill rate
39.2 billion/sec
33.60
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
384 Bit
256 Bit
Memory clock speed
1080 MHz
1800 MHz
Memory bandwidth
103.7 GB/s
57.6 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI
DirectX
11.1 (10_0)
11.1 (10_0)
CUDA
+
1.1
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.0
4.0
Vulkan
N/A
N/A