
Radeon HD 3850 AGP and GeForce 6800 GTO - video card comparison
Radeon HD 3850 AGP
GeForce 6800 GTO
Architecture
TeraScale (2005−2013)
Curie (2003−2013)
GPU code name
RV670
NV45
Market segment
Desktop
Desktop
Release date
January 2008
April 2004
Interface
AGP 8x
PCIe 1.0 x16
Supplementary power connectors
1x 8-pin
1x 6-pin
Core clock speed
668 MHz
350 MHz
Floating-point performance
427.5 gflops
-
Manufacturing process technology
55 nm
130 nm
Number of transistors
666 million
222 million
Pipelines / CUDA cores
320
-
Power consumption (TDP)
75 Watt
-
Texture fill rate
10.69
4.200
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1656 MHz
1000 MHz
Memory bandwidth
52.99 GB/s
32 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI
DirectX
10.1 (10_1)
9.0c (9_3)
OpenCL
N/A
N/A
OpenGL
3.3
2.1
Shader Model
4.1
3.0
Vulkan
N/A
N/A