AMD Radeon HD 8830M vs ATI Radeon HD 4870 X2

Comparative analysis of AMD Radeon HD 8830M and ATI Radeon HD 4870 X2 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: 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), PassMark - G3D Mark, PassMark - G2D Mark.

AMD Radeon HD 8830M

ATI Radeon HD 4870 X2

Differences

Reasons to consider the AMD Radeon HD 8830M

Videocard is newer: launch date 4 year(s) 7 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
3.4x better performance in GFXBench 4.0 - T-Rex (Frames): 11302 vs 3323
3.4x better performance in GFXBench 4.0 - T-Rex (Fps): 11302 vs 3323

Specifications (specs)
Launch date	1 April 2013 vs 12 August 2008
Manufacturing process technology	28 nm vs 55 nm
Benchmarks
GFXBench 4.0 - T-Rex (Frames)	11302 vs 3323
GFXBench 4.0 - T-Rex (Fps)	11302 vs 3323

Reasons to consider the ATI Radeon HD 4870 X2

Around 22% higher core clock speed: 700 MHz vs 575 MHz
9.1x more texture fill rate: 2x 28 GTexel / s billion / sec vs 25 GTexel / s
2.5x more pipelines: 2x 800 vs 640
2.8x better floating-point performance: 2x 1,120.0 gflops vs 800.0 gflops
Around 80% higher memory clock speed: 3600 MHz vs 2000 MHz

Core clock speed	700 MHz vs 575 MHz
Texture fill rate	2x 28 GTexel / s billion / sec vs 25 GTexel / s
Pipelines	2x 800 vs 640
Floating-point performance	2x 1,120.0 gflops vs 800.0 gflops
Memory clock speed	3600 MHz vs 2000 MHz

Compare benchmarks

GPU 1: AMD Radeon HD 8830M
GPU 2: ATI Radeon HD 4870 X2

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

11302

3323

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

11302

3323

Name	AMD Radeon HD 8830M	ATI Radeon HD 4870 X2
GFXBench 4.0 - Car Chase Offscreen (Frames)	2695
GFXBench 4.0 - Car Chase Offscreen (Fps)	2695
GFXBench 4.0 - Manhattan (Frames)	5106
GFXBench 4.0 - Manhattan (Fps)	5106
GFXBench 4.0 - T-Rex (Frames)	11302	3323
GFXBench 4.0 - T-Rex (Fps)	11302	3323
PassMark - G3D Mark		1309
PassMark - G2D Mark		565

Compare specifications (specs)

	AMD Radeon HD 8830M	ATI Radeon HD 4870 X2
Essentials
Architecture	GCN 1.0	TeraScale
Code name	Venus	R700
Design	AMD Radeon HD 8000M Series
Launch date	1 April 2013	12 August 2008
Place in performance rating	434	436
Type	Desktop	Desktop
Launch price (MSRP)		$550
Technical info
Boost clock speed	575 MHz
Compute units	10
Core clock speed	575 MHz	700 MHz
Floating-point performance	800.0 gflops	2x 1,120.0 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	640	2x 800
Texture fill rate	25 GTexel / s	2x 28 GTexel / s billion / sec
Transistor count	1,500 million	956 million
Thermal Design Power (TDP)		286 Watt
Video outputs and ports
Display Connectors	No outputs	2x DVI, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Laptop size	medium sized
Length		267 mm
Supplementary power connectors		1x 6-pin + 1x 8-pin
API support
DirectX	11	10.1
OpenGL	4.4	3.3
Memory
Maximum RAM amount	2 GB	2x 1 GB
Memory bandwidth	32 GB / s	2x 115.2 GB / s
Memory bus width	128 Bit	2x 256 Bit
Memory clock speed	2000 MHz	3600 MHz
Memory type	DDR3	GDDR5
Shared memory	0