Radeon HD 3850 AGP and Radeon HD 3870 AGP - video card comparison
Radeon HD 3850 AGP
Radeon HD 3870 AGP
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV670
RV670
Market segment
Desktop
Desktop
Release date
January 2008
-
Interface
AGP 8x
AGP 8x
Supplementary power connectors
1x 8-pin
1x 8-pin
Core clock speed
668 MHz
777 MHz
Floating-point performance
427.5 gflops
-
Manufacturing process technology
55 nm
55 nm
Number of transistors
666 million
666 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
75 Watt
106 Watt
Texture fill rate
10.69
12.43
Memory type
GDDR3
GDDR4
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1656 MHz
2.3 GB/s
Memory bandwidth
52.99 GB/s
72.06 GB/s
Display Connectors
2x DVI, 1x S-Video
2x DVI, 1x S-Video
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
N/A
N/A
OpenGL
3.3
3.3 (full)
Shader Model4.14.1
Vulkan
N/A
N/A