AMD Radeon HD 7870M vs AMD Radeon HD 7550M

Comparative analysis of AMD Radeon HD 7870M and AMD Radeon HD 7550M 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 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps), Geekbench - OpenCL.

AMD Radeon HD 7870M

AMD Radeon HD 7550M

Differences

Reasons to consider the AMD Radeon HD 7870M

Videocard is newer: launch date 3 month(s) later
Around 78% higher core clock speed: 800 MHz vs 450 MHz
2.7x more texture fill rate: 32 GTexel / s vs 12 GTexel / s
Around 60% higher pipelines: 640 vs 400
2.1x better floating-point performance: 1,024 gflops vs 480.0 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 40 nm
2.2x more memory clock speed: 4000 MHz vs 1800 MHz
3.2x better performance in PassMark - G3D Mark: 1507 vs 465
Around 38% better performance in PassMark - G2D Mark: 556 vs 403

Specifications (specs)
Launch date	24 April 2012 vs 7 January 2012
Core clock speed	800 MHz vs 450 MHz
Texture fill rate	32 GTexel / s vs 12 GTexel / s
Pipelines	640 vs 400
Floating-point performance	1,024 gflops vs 480.0 gflops
Manufacturing process technology	28 nm vs 40 nm
Memory clock speed	4000 MHz vs 1800 MHz
Benchmarks
PassMark - G3D Mark	1507 vs 465
PassMark - G2D Mark	556 vs 403

Reasons to consider the AMD Radeon HD 7550M

3.2x lower typical power consumption: 14 Watt vs 45 Watt

Thermal Design Power (TDP)	14 Watt vs 45 Watt

Compare benchmarks

GPU 1: AMD Radeon HD 7870M
GPU 2: AMD Radeon HD 7550M

PassMark - G3D Mark

GPU 1

GPU 2

1507

465

PassMark - G2D Mark

GPU 1

GPU 2

556

403

Name	AMD Radeon HD 7870M	AMD Radeon HD 7550M
PassMark - G3D Mark	1507	465
PassMark - G2D Mark	556	403
GFXBench 4.0 - Manhattan (Frames)	1367
GFXBench 4.0 - Manhattan (Fps)	1367
GFXBench 4.0 - T-Rex (Frames)	3359
GFXBench 4.0 - T-Rex (Fps)	3359
Geekbench - OpenCL		5371

Compare specifications (specs)

	AMD Radeon HD 7870M	AMD Radeon HD 7550M
Essentials
Architecture	GCN 1.0	TeraScale 2
Code name	Heathrow	Thames
Launch date	24 April 2012	7 January 2012
Place in performance rating	590	592
Type	Laptop	Laptop
Technical info
Core clock speed	800 MHz	450 MHz
Floating-point performance	1,024 gflops	480.0 gflops
Manufacturing process technology	28 nm	40 nm
Pipelines	640	400
Texture fill rate	32 GTexel / s	12 GTexel / s
Thermal Design Power (TDP)	45 Watt	14 Watt
Transistor count	1,500 million	716 million
Boost clock speed		550 MHz
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x16	PCIe 2.0 x16
Laptop size	large	medium sized
API support
DirectX	12.0 (11_1)	11.2 (11_0)
OpenGL	4.5	4.4
Memory
Maximum RAM amount	2 GB	2 GB
Memory bandwidth	64 GB / s	28.8 GB / s
Memory bus width	128 Bit	64 Bit
Memory clock speed	4000 MHz	1800 MHz
Memory type	GDDR5	GDDR5 / DDR3
Shared memory	0	0