AMD Radeon HD 8770M vs AMD Radeon HD 8850M

Comparative analysis of AMD Radeon HD 8770M and AMD Radeon HD 8850M 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, 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 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

AMD Radeon HD 8770M

AMD Radeon HD 8850M

Differences

Reasons to consider the AMD Radeon HD 8770M

Around 35% higher core clock speed: 775 MHz vs 575 MHz
Around 7% higher boost clock speed: 775 MHz vs 725 MHz
2.3x more memory clock speed: 4500 MHz vs 2000 MHz

Core clock speed	775 MHz vs 575 MHz
Boost clock speed	775 MHz vs 725 MHz
Memory clock speed	4500 MHz vs 2000 MHz

Reasons to consider the AMD Radeon HD 8850M

Around 26% higher texture fill rate: 25 GTexel / s vs 19.8 GTexel / s
Around 67% higher pipelines: 640 vs 384
Around 26% better floating-point performance: 800.0 gflops vs 633.6 gflops

Texture fill rate	25 GTexel / s vs 19.8 GTexel / s
Pipelines	640 vs 384
Floating-point performance	800.0 gflops vs 633.6 gflops

Compare benchmarks

GPU 1: AMD Radeon HD 8770M
GPU 2: AMD Radeon HD 8850M

Name	AMD Radeon HD 8770M	AMD Radeon HD 8850M
PassMark - G3D Mark		973
PassMark - G2D Mark		502
Geekbench - OpenCL		7447
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		19.641
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		435.842
CompuBench 1.5 Desktop - T-Rex (Frames/s)		2.018
CompuBench 1.5 Desktop - Video Composition (Frames/s)		31.637
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		84.378
GFXBench 4.0 - Car Chase Offscreen (Frames)		2286
GFXBench 4.0 - Manhattan (Frames)		2795
GFXBench 4.0 - T-Rex (Frames)		3323
GFXBench 4.0 - Car Chase Offscreen (Fps)		2286
GFXBench 4.0 - Manhattan (Fps)		2795
GFXBench 4.0 - T-Rex (Fps)		3323

Compare specifications (specs)

	AMD Radeon HD 8770M	AMD Radeon HD 8850M
Essentials
Architecture	GCN 1.0	GCN 1.0
Code name	Mars	Venus
Design	AMD Radeon HD 8000M Series	AMD Radeon HD 8000M Series
Launch date	1 April 2013	1 April 2013
Place in performance rating	not rated	941
Type	Desktop	Desktop
Technical info
Boost clock speed	775 MHz	725 MHz
Compute units	6	10
Core clock speed	775 MHz	575 MHz
Floating-point performance	633.6 gflops	800.0 gflops
Manufacturing process technology	28 nm	28 nm
Pipelines	384	640
Texture fill rate	19.8 GTexel / s	25 GTexel / s
Transistor count	1,040 million	1,500 million
Video outputs and ports
Display Connectors	No outputs	No outputs
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 3.0 x16
Laptop size	medium sized	large
API support
DirectX	11	11
OpenGL	4.4	4.4
Memory
Maximum RAM amount	2 GB	2 GB
Memory bandwidth	72 GB / s	32 GB / s
Memory bus width	128 Bit	128 Bit
Memory clock speed	4500 MHz	2000 MHz
Memory type	GDDR5	GDDR5
Shared memory	0	0