Radeon HD 3850 AGP and GeForce GTX 260 Rev. 2 - video card comparison
Radeon HD 3850 AGP
GeForce GTX 260 Rev. 2
Architecture
TeraScale (2005−2013)
Tesla 2.0 (2007−2013)
GPU code name
RV670
GT200B
Market segment
Desktop
Desktop
Release date
January 2008
July 2008
Interface
AGP 8x
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
2x 6-pin
Core clock speed
668 MHz
576 MHz
Floating-point performance
427.5 gflops
476.9 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
666 million
1,400 million
Pipelines / CUDA cores
320
192
Power consumption (TDP)
75 Watt
182 Watt
Texture fill rate
10.69
36.86
Memory type
GDDR3
GDDR3
Maximum RAM amount
512 MB
896 MB
Memory bus width
256 Bit
448 Bit
Memory clock speed
1656 MHz
1998 MHz
Memory bandwidth
52.99 GB/s
111.9 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
11.1 (10_0)
CUDA
-
1.3
OpenCL
N/A
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A