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

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

 

Differences

Reasons to consider the AMD Radeon HD 6990M Crossfire

  • 2.8x more pipelines: 2240 vs 800
  • 4x more maximum memory size: 2x2 GB vs 1 GB
Pipelines 2240 vs 800
Maximum memory size 2x2 GB vs 1 GB

Reasons to consider the AMD Radeon HD 6990M Rebrand

  • Around 12% higher core clock speed: 800 MHz vs 715 MHz
  • 4.9x more memory clock speed: 4400 MHz vs 900 MHz
Core clock speed 800 MHz vs 715 MHz
Memory clock speed 4400 MHz vs 900 MHz

Compare specifications (specs)

AMD Radeon HD 6990M Crossfire AMD Radeon HD 6990M Rebrand

Essentials

Architecture Terascale 2 TeraScale 2
Code name Blackcomb XTX 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
Manufacturing process technology 40 nm 40 nm
Pipelines 2240 800
Transistor count 2x1700 Million 1,040 million
Floating-point performance 1,280.0 gflops
Texture fill rate 32.0 GTexel / s
Thermal Design Power (TDP) 100 Watt

Compatibility, dimensions and requirements

Laptop size large
Interface MXM-B (3.0)

API support

DirectX 11 11.2 (11_0)
OpenGL 4.4

Memory

Maximum RAM amount 2x2 GB 1 GB
Memory bus width 256 Bit 128 Bit
Memory clock speed 900 MHz 4400 MHz
Memory type GDDR5 GDDR5
Shared memory 0
Memory bandwidth 70.4 GB / s

Video outputs and ports

Display Connectors No outputs

Navigation

Choose a GPU

Compare videocards

Compare AMD Radeon HD 6990M Crossfire with others

AMD Radeon HD 6990M Crossfire AMD
Radeon HD 6990M Crossfire
vs AMD Radeon HD 6390 AMD
Radeon HD 6390
AMD Radeon HD 6990M Crossfire AMD
Radeon HD 6990M Crossfire
vs AMD Radeon HD 6870 X2 AMD
Radeon HD 6870 X2
AMD Radeon HD 6990M Crossfire AMD
Radeon HD 6990M Crossfire
vs AMD Radeon HD 6990M Rebrand AMD
Radeon HD 6990M Rebrand