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Differences What are the advantages of each

Front view of Radeon HD 7950 Boost

Reasons to consider the
AMD Radeon HD 7950 Boost

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Higher memory bandwidth 240 GB/s vs 176 GB/s More than 35% higher memory bandwidth
Better PassMark score 4,762 vs 3,470 More than 35% better PassMark score
More memory 3,072 MB vs 2,048 MB 50% more memory
Slightly better floating-point performance 3,315 GFLOPS vs 2,703.4 GFLOPS Around 25% better floating-point performance
Slightly higher texture rate 103.6 GTexel/s vs 84.5 GTexel/s Around 25% higher texture rate
Higher battlefield 3 framerate 89.6 fps vs 55.1 fps Around 65% higher battlefield 3 framerate
Higher crysis: warhead framerate 53.8 fps vs 39.1 fps Around 40% higher crysis: warhead framerate
Slightly more shading units 1,792 vs 1,536 256 more shading units
Slightly more texture mapping units 112 vs 96 16 more texture mapping units
Lower TDP 200W vs 250W 20% lower TDP
Front view of Radeon HD 6970

Reasons to consider the
AMD Radeon HD 6970

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Much higher battlefield 4 framerate 90 vs 7.5 12x higher battlefield 4 framerate
Slightly higher effective memory clock speed 5,500 MHz vs 5,000 MHz 10% higher effective memory clock speed
Higher memory clock speed 1,375 MHz vs 1,250 MHz 10% higher memory clock speed

Benchmarks Real world tests of Radeon HD 7950 Boost vs 6970

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

3DMark Vantage (Texture Fill) Industry standard benchmark that tests DirectX performance

Crysis: Warhead (2012) 1920x1200 - Frost Bench - Enthusiast Quality + 4xAA

Batman: Arkham City 1920x1200 - Extreme quality + FXAA-HIGH

Civilization 5 1680x1050 - Maximum quality + 4xMSAA

Battlefield 4

SmallLux GPU 2.0d4 Measures compute performance using OpenCL to do 3D rendering

PassMark Direct Compute Measures performance of general-purpose computing using Microsoft DirectCompute

Reviews Word on the street

Radeon HD 7950 Boost  vs 6970 

9.1
8.2
When using two or more HD 7950 cards in CrossFire without gaming, only one card will be running, while the other cards are in AMD's new ZeroCore power state, during which they consume only about 1 Watt of power and the fan is disabled.
Radeon HD 7950 Boost

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