Radeon HD 3850 and GeForce GTX 260 OEM - video card comparison
Radeon HD 3850
GeForce GTX 260 OEM
Architecture
TeraScale (2005−2013)
Tesla 2.0 (2007−2013)
GPU code name
RV670
GT200B
Market segment
Desktop
Desktop
Release date
November 2007
December 2009
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
2x 6-pin
Core clock speed
668 MHz
518 MHz
Floating-point performance
427.5 gflops
414.7 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
33.15
Memory type
GDDR3
GDDR3
Maximum RAM amount
1 GB
1792 MB
Memory bus width
256 Bit
448 Bit
Memory clock speed
1660 MHz
2016 MHz
Memory bandwidth
53.12 GB/s
112.9 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