AMD Radeon HD 6550M vs ATI Radeon HD 4870

Comparative analysis of AMD Radeon HD 6550M and ATI Radeon HD 4870 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, GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon HD 6550M

ATI Radeon HD 4870

Differences

Reasons to consider the AMD Radeon HD 6550M

Videocard is newer: launch date 2 year(s) 5 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
5.8x lower typical power consumption: 26 Watt vs 150 Watt
2x more maximum memory size: 1 GB vs 512 MB

Launch date	26 November 2010 vs 25 June 2008
Manufacturing process technology	40 nm vs 55 nm
Thermal Design Power (TDP)	26 Watt vs 150 Watt
Maximum memory size	1 GB vs 512 MB

Reasons to consider the ATI Radeon HD 4870

Around 25% higher core clock speed: 750 MHz vs 600 MHz
2.5x more texture fill rate: 30 GTexel / s vs 12 GTexel / s
2x more pipelines: 800 vs 400
2.5x better floating-point performance: 1,200.0 gflops vs 480.0 gflops
2x more memory clock speed: 3600 MHz vs 1800 MHz

Core clock speed	750 MHz vs 600 MHz
Texture fill rate	30 GTexel / s vs 12 GTexel / s
Pipelines	800 vs 400
Floating-point performance	1,200.0 gflops vs 480.0 gflops
Memory clock speed	3600 MHz vs 1800 MHz

Compare benchmarks

GPU 1: AMD Radeon HD 6550M
GPU 2: ATI Radeon HD 4870

Name	AMD Radeon HD 6550M	ATI Radeon HD 4870
PassMark - G3D Mark		1386
PassMark - G2D Mark		43
GFXBench 4.0 - T-Rex (Frames)		3346
GFXBench 4.0 - T-Rex (Fps)		3346

Compare specifications (specs)

	AMD Radeon HD 6550M	ATI Radeon HD 4870
Essentials
Architecture	TeraScale 2	TeraScale
Code name	Capilano	RV770
Launch date	26 November 2010	25 June 2008
Place in performance rating	not rated	1329
Type	Laptop	Desktop
Launch price (MSRP)		$299
Technical info
Core clock speed	600 MHz	750 MHz
Floating-point performance	480.0 gflops	1,200.0 gflops
Manufacturing process technology	40 nm	55 nm
Pipelines	400	800
Texture fill rate	12 GTexel / s	30 GTexel / s
Thermal Design Power (TDP)	26 Watt	150 Watt
Transistor count	627 million	956 million
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	MXM-II	PCIe 2.0 x16
Laptop size	medium sized
Length		250 mm
Supplementary power connectors		2x 6-pin
API support
DirectX	11.2 (11_0)	10.1
OpenGL	4.4	3.3
Memory
Maximum RAM amount	1 GB	512 MB
Memory bandwidth	28.8 GB / s	115.2 GB / s
Memory bus width	128 Bit	256 Bit
Memory clock speed	1800 MHz	3600 MHz
Memory type	DDR3	GDDR5
Shared memory	0