Radeon HD 3850 X2 and GeForce 8800 GT Mac Edition - video card comparison
Radeon HD 3850 X2
GeForce 8800 GT Mac Edition
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
RV670
G92
Market segment
Desktop
Desktop
Release date
April 2008
February 2008
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
669 MHz
600 MHz
Floating-point performance
2x 428.2 gflops
336.0 gflops
Manufacturing process technology
55 nm
65 nm
Number of transistors
666 million
754 million
Pipelines / CUDA cores
320
112
Power consumption (TDP)
140 Watt
125 Watt
Texture fill rate
10.70
33.60
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1656 MHz
1800 MHz
Memory bandwidth
52.99 GB/s
57.6 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI
DirectX
10.1 (10_1)
11.1 (10_0)
CUDA
-
1.1
OpenCL
N/A
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A