AMD Radeon HD 6390 vs AMD Radeon HD 6550D

Comparative analysis of AMD Radeon HD 6390 and AMD Radeon HD 6550D videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon HD 6390

AMD Radeon HD 6550D

Differences

Reasons to consider the AMD Radeon HD 6550D

Around 9% higher core clock speed: 600 MHz vs 550 MHz
Around 25% higher pipelines: 400 vs 320
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 32 nm vs 40 nm

Core clock speed	600 MHz vs 550 MHz
Pipelines	400 vs 320
Manufacturing process technology	32 nm vs 40 nm

Compare benchmarks

GPU 1: AMD Radeon HD 6390
GPU 2: AMD Radeon HD 6550D

Name	AMD Radeon HD 6390	AMD Radeon HD 6550D
PassMark - G3D Mark		401
PassMark - G2D Mark		131
Geekbench - OpenCL		1328
GFXBench 4.0 - Car Chase Offscreen (Frames)		1382
GFXBench 4.0 - Car Chase Offscreen (Fps)		1382
GFXBench 4.0 - Manhattan (Frames)		1975
GFXBench 4.0 - Manhattan (Fps)		1975
GFXBench 4.0 - T-Rex (Frames)		3324
GFXBench 4.0 - T-Rex (Fps)		3324

Compare specifications (specs)

	AMD Radeon HD 6390	AMD Radeon HD 6550D
Essentials
Architecture	TeraScale 2	Terascale 2
Code name	Redwood	Llano
Launch date	4 July 2011	30 June 2011
Place in performance rating	not rated	1246
Type	Desktop	Desktop
Technical info
Core clock speed	550 MHz	600 MHz
Floating-point performance	352.0 gflops
Manufacturing process technology	40 nm	32 nm
Pipelines	320	400
Texture fill rate	8.8 GTexel / s
Thermal Design Power (TDP)	39 Watt
Transistor count	627 million	1000 Million
Video outputs and ports
Display Connectors	1x DVI, 1x HDMI, 1x VGA
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16
Length	165 mm
Supplementary power connectors	None
API support
DirectX	11.2 (11_0)	11
OpenGL	4.4
Memory
Maximum RAM amount	1 GB
Memory bandwidth	16 GB / s
Memory bus width	128 Bit
Memory clock speed	1000 MHz
Memory type	DDR2
Shared memory		1