AMD Radeon HD 6990M vs AMD Radeon HD 6990M Rebrand

Comparative analysis of AMD Radeon HD 6990M and AMD Radeon HD 6990M Rebrand videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory.

 

Differences

Reasons to consider the AMD Radeon HD 6990M

  • Around 25% higher texture fill rate: 40.0 GTexel / s vs 32.0 GTexel / s
  • Around 40% higher pipelines: 1120 vs 800
  • Around 25% better floating-point performance: 1,601.6 gflops vs 1,280.0 gflops
  • 2x more maximum memory size: 2 GB vs 1 GB
Texture fill rate 40.0 GTexel / s vs 32.0 GTexel / s
Pipelines 1120 vs 800
Floating-point performance 1,601.6 gflops vs 1,280.0 gflops
Maximum memory size 2 GB vs 1 GB

Reasons to consider the AMD Radeon HD 6990M Rebrand

  • Around 12% higher core clock speed: 800 MHz vs 715 MHz
  • Around 22% higher memory clock speed: 4400 MHz vs 3600 MHz
Core clock speed 800 MHz vs 715 MHz
Memory clock speed 4400 MHz vs 3600 MHz

Compare specifications (specs)

AMD Radeon HD 6990M AMD Radeon HD 6990M Rebrand

Essentials

Architecture TeraScale 2 TeraScale 2
Code name Blackcomb Broadway
Launch date 12 July 2011 12 July 2011
Place in performance rating not rated not rated
Type Laptop Desktop

Technical info

Core clock speed 715 MHz 800 MHz
Floating-point performance 1,601.6 gflops 1,280.0 gflops
Manufacturing process technology 40 nm 40 nm
Pipelines 1120 800
Texture fill rate 40.0 GTexel / s 32.0 GTexel / s
Thermal Design Power (TDP) 100 Watt 100 Watt
Transistor count 1,700 million 1,040 million

Video outputs and ports

Display Connectors No outputs No outputs

Compatibility, dimensions and requirements

Interface MXM-B (3.0) MXM-B (3.0)
Laptop size 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 2 GB 1 GB
Memory bandwidth 115.2 GB / s 70.4 GB / s
Memory bus width 256 Bit 128 Bit
Memory clock speed 3600 MHz 4400 MHz
Memory type GDDR5 GDDR5
Shared memory 0

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