AMD Radeon HD 6430M vs ATI Radeon HD 4870

Comparative analysis of AMD Radeon HD 6430M 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 6430M

ATI Radeon HD 4870

Differences

Reasons to consider the AMD Radeon HD 6430M

Videocard is newer: launch date 2 year(s) 6 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 40 nm vs 55 nm
2x more maximum memory size: 1 GB vs 512 MB
2.5x better performance in PassMark - G2D Mark: 106 vs 43

Specifications (specs)
Launch date	4 January 2011 vs 25 June 2008
Manufacturing process technology	40 nm vs 55 nm
Maximum memory size	1 GB vs 512 MB
Benchmarks
PassMark - G2D Mark	106 vs 43

Reasons to consider the ATI Radeon HD 4870

Around 56% higher core clock speed: 750 MHz vs 480 MHz
7.8x more texture fill rate: 30 GTexel / s vs 3.84 GTexel / s
5x more pipelines: 800 vs 160
7.8x better floating-point performance: 1,200.0 gflops vs 153.6 gflops
2.3x more memory clock speed: 3600 MHz vs 1600 MHz
7.2x better performance in PassMark - G3D Mark: 1386 vs 193

Specifications (specs)
Core clock speed	750 MHz vs 480 MHz
Texture fill rate	30 GTexel / s vs 3.84 GTexel / s
Pipelines	800 vs 160
Floating-point performance	1,200.0 gflops vs 153.6 gflops
Memory clock speed	3600 MHz vs 1600 MHz
Benchmarks
PassMark - G3D Mark	1386 vs 193

Compare benchmarks

GPU 1: AMD Radeon HD 6430M
GPU 2: ATI Radeon HD 4870

PassMark - G3D Mark

GPU 1

GPU 2

193

1386

PassMark - G2D Mark

GPU 1

GPU 2

106

Name	AMD Radeon HD 6430M	ATI Radeon HD 4870
PassMark - G3D Mark	193	1386
PassMark - G2D Mark	106	43
GFXBench 4.0 - T-Rex (Frames)		3346
GFXBench 4.0 - T-Rex (Fps)		3346

Compare specifications (specs)

	AMD Radeon HD 6430M	ATI Radeon HD 4870
Essentials
Architecture	TeraScale 2	TeraScale
Code name	Seymour	RV770
Launch date	4 January 2011	25 June 2008
Place in performance rating	1343	1329
Type	Laptop	Desktop
Launch price (MSRP)		$299
Technical info
Core clock speed	480 MHz	750 MHz
Floating-point performance	153.6 gflops	1,200.0 gflops
Manufacturing process technology	40 nm	55 nm
Pipelines	160	800
Texture fill rate	3.84 GTexel / s	30 GTexel / s
Transistor count	370 million	956 million
Thermal Design Power (TDP)		150 Watt
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 2.0 x16	PCIe 2.0 x16
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	12.8 GB / s	115.2 GB / s
Memory bus width	64 Bit	256 Bit
Memory clock speed	1600 MHz	3600 MHz
Memory type	DDR3	GDDR5
Shared memory	0