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Differences What are the advantages of each

Front view of Radeon R7 370

Reasons to consider the
AMD Radeon R7 370

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Much higher effective memory clock speed 5,600 MHz vs 2,252 MHz Around 2.5x higher effective memory clock speed
Significantly higher memory bandwidth 179.2 GB/s vs 72.06 GB/s Around 2.5x higher memory bandwidth
Higher clock speed 925 MHz vs 777 MHz Around 20% higher clock speed
Better floating-point performance 1,996.8 GFLOPS vs 497.3 GFLOPS More than 4x better floating-point performance
More memory 2,048 MB vs 512 MB 4x more memory
Higher texture rate 62.4 GTexel/s vs 12.43 GTexel/s More than 5x higher texture rate
Higher pixel rate 31.2 GPixel/s vs 12.43 GPixel/s More than 2.5x higher pixel rate
More texture mapping units 64 vs 16 48 more texture mapping units
More shading units 1,024 vs 320 704 more shading units
More render output processors 32 vs 16 Twice as many render output processors
More compute units 16 vs 4 12 more compute units
Higher memory clock speed 1,400 MHz vs 1,126 MHz Around 25% higher memory clock speed
Front view of Radeon HD 3870 Mac

Reasons to consider the
ATi Radeon HD 3870 Mac

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GPUBoss is not aware of any important advantages of the ATi Radeon HD 3870 Mac vs the AMD Radeon R7 370.

Features Key features of the Radeon R7 370  vs HD 3870 Mac 

memory bandwidth Rate at which data can be read from or stored in onboard memory

Radeon R7 370
179.2 GB/s
Radeon HD 3870 Mac
72.06 GB/s

pixel rate Number of pixels a graphics card can render to the screen every second

Radeon R7 370
31.2 GPixel/s
Radeon HD 3870 Mac
12.43 GPixel/s

texture rate Speed at which a graphics card can perform texture mapping

Radeon R7 370
62.4 GTexel/s
Radeon HD 3870 Mac
12.43 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R7 370
1,996.8 GFLOPS
Radeon HD 3870 Mac
497.3 GFLOPS

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Specifications Full list of technical specs

gpu

Radeon R7 370  vs
HD 3870 Mac 
GPU brand AMD ATI
GPU name Trinidad RV670
Market Desktop Desktop
Clock speed 925 MHz 777 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,024 320
Texture mapping units 64 16
Render output processors 32 16
Compute units 16 4
Pixel rate 31.2 GPixel/s 12.43 GPixel/s
Texture rate 62.4 GTexel/s 12.43 GTexel/s
Floating-point performance 1,996.8 GFLOPS 497.3 GFLOPS

memory

Radeon R7 370  vs
HD 3870 Mac 
Memory clock speed 1,400 MHz 1,126 MHz
Effective memory clock speed 5,600 MHz 2,252 MHz
Memory bus 256 bit 256 bit
Memory 2,048 MB 512 MB
Memory type GDDR5 GDDR4
Memory bandwidth 179.2 GB/s 72.06 GB/s

noise and power

TDP 110W 106W

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