AMD Radeon HD 6850M vs AMD Radeon HD 6970M

Comparative analysis of AMD Radeon HD 6850M and AMD Radeon HD 6970M 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 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the AMD Radeon HD 6850M

  • Around 50% lower typical power consumption: 50 Watt vs 75 Watt
Thermal Design Power (TDP) 50 Watt vs 75 Watt

Reasons to consider the AMD Radeon HD 6970M

  • Around 1% higher core clock speed: 680 MHz vs 675 MHz
  • Around 21% higher texture fill rate: 32.6 GTexel / s vs 27 GTexel / s
  • Around 20% higher pipelines: 960 vs 800
  • Around 21% better floating-point performance: 1,305.6 gflops vs 1,080.0 gflops
  • 2.3x more memory clock speed: 3600 MHz vs 1600 MHz
Core clock speed 680 MHz vs 675 MHz
Texture fill rate 32.6 GTexel / s vs 27 GTexel / s
Pipelines 960 vs 800
Floating-point performance 1,305.6 gflops vs 1,080.0 gflops
Memory clock speed 3600 MHz vs 1600 MHz

Compare benchmarks

GPU 1: AMD Radeon HD 6850M
GPU 2: AMD Radeon HD 6970M

Name AMD Radeon HD 6850M AMD Radeon HD 6970M
PassMark - G3D Mark 2270
PassMark - G2D Mark 656
Geekbench - OpenCL 3349
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 4.787
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 617.819
CompuBench 1.5 Desktop - T-Rex (Frames/s) 0.927
CompuBench 1.5 Desktop - Video Composition (Frames/s) 24.456
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 117.801
GFXBench 4.0 - Manhattan (Frames) 3229
GFXBench 4.0 - T-Rex (Frames) 3342
GFXBench 4.0 - Manhattan (Fps) 3229
GFXBench 4.0 - T-Rex (Fps) 3342

Compare specifications (specs)

AMD Radeon HD 6850M AMD Radeon HD 6970M

Essentials

Architecture TeraScale 2 TeraScale 2
Code name Granville Blackcomb
Launch date 4 January 2011 4 January 2011
Place in performance rating not rated 791
Type Laptop Laptop

Technical info

Core clock speed 675 MHz 680 MHz
Floating-point performance 1,080.0 gflops 1,305.6 gflops
Manufacturing process technology 40 nm 40 nm
Pipelines 800 960
Texture fill rate 27 GTexel / s 32.6 GTexel / s
Thermal Design Power (TDP) 50 Watt 75 Watt
Transistor count 1,040 million 1,700 million

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface PCIe 2.0 x16 MXM-B (3.0)
Laptop size large large
Supplementary power connectors None

API support

DirectX 11.2 (11_0) 11.2 (11_0)
OpenGL 4.4 4.4

Memory

Maximum RAM amount 1 GB 1 GB
Memory bandwidth 25.6 GB / s 115.2 GB / s
Memory bus width 128 Bit 256 Bit
Memory clock speed 1600 MHz 3600 MHz
Memory type DDR3, GDDR5 GDDR5
Shared memory 0 0

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