AMD Radeon HD 8870M vs ATI Mobility Radeon HD 3450

Comparative analysis of AMD Radeon HD 8870M and ATI Mobility Radeon HD 3450 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon HD 8870M

ATI Mobility Radeon HD 3450

Differences

Reasons to consider the AMD Radeon HD 8870M

Videocard is newer: launch date 5 year(s) 2 month(s) later
Around 45% higher core clock speed: 725 MHz vs 500 MHz
15.5x more texture fill rate: 31 GTexel / s vs 2 GTexel / s
16x more pipelines: 640 vs 40
24.8x better floating-point performance: 992.0 gflops vs 40 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 55 nm
8x more maximum memory size: 2 GB vs 256 MB
5.6x more memory clock speed: 4500 MHz vs 800 MHz
18x better performance in PassMark - G3D Mark: 1638 vs 91
2.5x better performance in PassMark - G2D Mark: 629 vs 247

Specifications (specs)
Launch date	1 April 2013 vs 7 January 2008
Core clock speed	725 MHz vs 500 MHz
Texture fill rate	31 GTexel / s vs 2 GTexel / s
Pipelines	640 vs 40
Floating-point performance	992.0 gflops vs 40 gflops
Manufacturing process technology	28 nm vs 55 nm
Maximum memory size	2 GB vs 256 MB
Memory clock speed	4500 MHz vs 800 MHz
Benchmarks
PassMark - G3D Mark	1638 vs 91
PassMark - G2D Mark	629 vs 247

Compare benchmarks

GPU 1: AMD Radeon HD 8870M
GPU 2: ATI Mobility Radeon HD 3450

PassMark - G3D Mark

GPU 1

GPU 2

1638

PassMark - G2D Mark

GPU 1

GPU 2

629

247

Name	AMD Radeon HD 8870M	ATI Mobility Radeon HD 3450
PassMark - G3D Mark	1638	91
PassMark - G2D Mark	629	247
Geekbench - OpenCL	8804
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	24.097
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	465.496
CompuBench 1.5 Desktop - T-Rex (Frames/s)	2.211
CompuBench 1.5 Desktop - Video Composition (Frames/s)	38.126
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	106.848
GFXBench 4.0 - Manhattan (Frames)	3702
GFXBench 4.0 - T-Rex (Frames)	3357
GFXBench 4.0 - Manhattan (Fps)	3702
GFXBench 4.0 - T-Rex (Fps)	3357

Compare specifications (specs)

	AMD Radeon HD 8870M	ATI Mobility Radeon HD 3450
Essentials
Architecture	GCN 1.0	TeraScale
Code name	Venus	M82
Design	AMD Radeon HD 8000M Series
Launch date	1 April 2013	7 January 2008
Place in performance rating	726	729
Type	Desktop	Laptop
Technical info
Boost clock speed	725 MHz
Compute units	10
Core clock speed	725 MHz	500 MHz
Floating-point performance	992.0 gflops	40 gflops
Manufacturing process technology	28 nm	55 nm
Pipelines	640	40
Texture fill rate	31 GTexel / s	2 GTexel / s
Transistor count	1,500 million	181 million
Thermal Design Power (TDP)		12 Watt
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	MXM-II
Laptop size	large
API support
DirectX	11	10.1
OpenGL	4.4	3.3
Memory
Maximum RAM amount	2 GB	256 MB
Memory bandwidth	72 GB / s	6.4 GB / s
Memory bus width	128 Bit	64 Bit
Memory clock speed	4500 MHz	800 MHz
Memory type	GDDR5	DDR2 / GDDR3
Shared memory	0	0
Technologies
Powerplay