Radeon HD 3870 and RV670 - video card comparison
Radeon HD 3870
RV670
Architecture
TeraScale (2005−2013)
TeraScale (2005−2013)
GPU code name
RV670
RV670
Market segment
Desktop
Desktop
Release date
November 2007
-
Interface
PCIe 2.0 x16
-
Supplementary power connectors
1x 6-pin
-
Core clock speed
777 MHz
-
Floating-point performance
497.3 gflops
-
Manufacturing process technology
55 nm
55 nm
Number of transistors
666 million
666 million
Pipelines / CUDA cores
320
320
Power consumption (TDP)
106 Watt
-
Texture fill rate
12.43
-
Memory type
GDDR4
-
Maximum RAM amount
512 MB
-
Memory bus width
256 Bit
-
Memory clock speed
2252 MHz
-
Memory bandwidth
72.06 GB/s
-
Display Connectors
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