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Differences What are the advantages of each

Front view of Radeon R5 235

Reasons to consider the
AMD Radeon R5 235

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Lower TDP 35W vs 80W 2.3x lower TDP
Front view of Radeon HD 7770

Reasons to consider the
AMD Radeon HD 7770

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Much higher effective memory clock speed 4,500 MHz vs 1,800 MHz 2.5x higher effective memory clock speed
Better PassMark score 2,194 vs 346 More than 6.2x better PassMark score
Higher clock speed 1,000 MHz vs 775 MHz Around 30% higher clock speed
Higher memory bandwidth 72 GB/s vs 14.4 GB/s 5x 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
More compute units 10 vs 2 8 more compute units
Better PassMark direct compute score 1,403 vs 219 Around 6.5x better PassMark direct compute score
Higher memory clock speed 1,125 MHz vs 900 MHz 25% higher memory clock speed
Better manhattan score 3,701.57 vs 1,066.94 Around 3.5x better manhattan score
Wider memory bus 128 bit vs 64 bit 2x wider memory bus

Benchmarks Real world tests of Radeon R5 235 vs HD 7770

PassMark Industry standard benchmark for overall graphics card performanceData courtesy Passmark

T-Rex (GFXBench 3.0) Data courtesy CompuBench

Radeon R5 235
1,719.04
Radeon HD 7770
3,355.14

Manhattan (GFXBench 3.0) Data courtesy CompuBench

Radeon R5 235
1,066.94
Radeon HD 7770
3,701.57

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

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