Radeon HD 2900 GT and GeForce 8800 GT Mac Edition - video card comparison
Radeon HD 2900 GT
GeForce 8800 GT Mac Edition
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
R600
G92
Market segment
Desktop
Desktop
Release date
November 2007
February 2008
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin
Core clock speed
601 MHz
600 MHz
Floating-point performance
288.48 gflops
336.0 gflops
Manufacturing process technology
80 nm
65 nm
Number of transistors
720 million
754 million
Pipelines / CUDA cores
240
112
Power consumption (TDP)
150 Watt
125 Watt
Texture fill rate
7.212
33.60
Memory type
GDDR3
GDDR3
Maximum RAM amount
256 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1600 MHz
1800 MHz
Memory bandwidth
51.2 GB/s
57.6 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI
DirectX
10.0 (10_0)
11.1 (10_0)
CUDA
-
1.1
OpenCL
N/A
1.1
OpenGL
3.3
3.3
Shader Model
4.0
4.0
Vulkan
N/A
N/A