GPUBoss Review Our evaluation of 8470 vs 7770 among Desktop GPUs

Gaming

Battlefield 3, Battlefield 4, Bioshock Infinite and 21 more

Graphics

T-Rex, Manhattan, Cloud Gate Factor, Sky Diver Factor and 1 more

Computing

Face Detection, Ocean Surface Simulation and 3 more

Performance per Watt

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Value

Battlefield 3, Battlefield 4, Bioshock Infinite and 32 more

Noise and Power

TDP, Idle Power Consumption, Load Power Consumption and 2 more

6.1

Overall Score

Winner
AMD Radeon HD 7770 

GPUBoss recommends the AMD Radeon HD 7770  based on its benchmarks and compute performance.

See full details

Cast your vote Do you agree or disagree with GPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of Radeon HD 8470

Reasons to consider the
AMD Radeon HD 8470

Report a correction
Better T-Rex score 0.27 frames/s vs -1 frames/s More than 125% better T-Rex score
Lower TDP 35W vs 80W 2.3x lower TDP
Front view of Radeon HD 7770

Reasons to consider the
AMD Radeon HD 7770

Report a correction
Better PassMark score 2,194 vs 348 More than 6.2x better PassMark score
Higher clock speed 1,000 MHz vs 775 MHz Around 30% higher clock speed
Higher effective memory clock speed 4,500 MHz vs 3,200 MHz More than 40% higher effective memory clock speed
Higher memory bandwidth 72 GB/s vs 25.6 GB/s More than 2.8x higher memory bandwidth
Better floating-point performance 1,280 GFLOPS vs 248 GFLOPS Around 5.2x better floating-point performance
Higher texture rate 40 GTexel/s vs 6.2 GTexel/s Around 6.5x higher texture rate
Higher pixel rate 16 GPixel/s vs 3.1 GPixel/s Around 5.2x higher pixel rate
More texture mapping units 40 vs 8 32 more texture mapping units
More render output processors 16 vs 4 12 more render output processors
More shading units 640 vs 160 480 more shading units
Higher memory clock speed 1,125 MHz vs 800 MHz More than 40% higher memory clock speed
More compute units 10 vs 2 8 more compute units
Better manhattan score 3,701.57 vs 473 More than 7.8x better manhattan score
Better PassMark direct compute score 1,403 vs 206 More than 6.8x better PassMark direct compute score
Wider memory bus 128 bit vs 64 bit 2x wider memory bus

Benchmarks Real world tests of Radeon HD 8470 vs 7770

Bitcoin mining Data courtesy CompuBench

Radeon HD 8470
23.95 mHash/s
Radeon HD 7770
153.66 mHash/s

Face detection Data courtesy CompuBench

Radeon HD 8470
2.34 mPixels/s
Radeon HD 7770
32.42 mPixels/s

Ocean surface simulation Data courtesy CompuBench

Radeon HD 8470
121.22 frames/s
Radeon HD 7770
596.07 frames/s

Particle simulation Data courtesy CompuBench

Radeon HD 8470
41.6 mInteraction/s
Radeon HD 7770
286.9 mInteraction/s

T-Rex (Compubench 1.5) Data courtesy CompuBench

Radeon HD 8470
0.27 frames/s
Radeon HD 7770
-1 frames/s

Video composition Data courtesy CompuBench

Radeon HD 8470
6.14 frames/s
Radeon HD 7770
49.79 frames/s

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon HD 7770
3,355.14

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Comments

comments powered by Disqus