Radeon HD 6550A and Radeon HD 3870 - video card comparison
Passmark - benchmark score Radeon HD 6550A vs Radeon HD 3870
Radeon HD 6550A
728
Radeon HD 3870
572
Radeon HD 6550A
Radeon HD 3870
Architecture
TeraScale 2 (2009−2015)
TeraScale (2005−2013)
GPU code name
Pinewood
RV670
Market segment
Desktop
Desktop
Release date
February 2011
November 2007
Interface
MXM-A (3.0)
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
550 MHz
777 MHz
Floating-point performance
624.0 gflops
497.3 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
627 million
666 million
Pipelines / CUDA cores
480
320
Power consumption (TDP)
35 Watt
106 Watt
Texture fill rate
13.20
12.43
Memory type
GDDR3
GDDR4
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1600 MHz
2252 MHz
Memory bandwidth
25.6 GB/s
72.06 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
10.1 (10_1)
OpenCL
1.2
N/A
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A