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GeForce 6800 Ultra and GeForce 8800 GT Mac Edition - video card comparison


GeForce 6800 Ultra

GeForce 8800 GT Mac Edition


Architecture
Curie (2003−2013)
Tesla (2006−2010)

GPU code name
NV45
G92

Market segment
Desktop
Desktop

Release date
July 2004
February 2008

Interface
PCIe 1.0 x16
PCIe 2.0 x16

Supplementary power connectors
1x 6-pin
1x 6-pin

Core clock speed
425 MHz
600 MHz

Floating-point performance
-
336.0 gflops

Manufacturing process technology
130 nm
65 nm

Number of transistors
222 million
754 million

Pipelines / CUDA cores
-
112

Power consumption (TDP)
81 Watt
125 Watt

Texture fill rate
6.800
33.60

Memory type
GDDR3
GDDR3

Maximum RAM amount
256 MB
512 MB

Memory bus width
256 Bit
256 Bit

Memory clock speed
1100 MHz
1800 MHz

Memory bandwidth
35.2 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
3.3

Shader Model
3.0
4.0

Vulkan
N/A
N/A