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Differences What are the advantages of each

Front view of Radeon RX 560D

Reasons to consider the
AMD Radeon RX 560D

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Higher effective memory clock speed 7,000 MHz vs 4,800 MHz More than 45% higher effective memory clock speed
More memory 4,096 MB vs 2,048 MB 2x more memory
Higher clock speed 1,090 MHz vs 1,000 MHz Around 10% higher clock speed
Significantly higher memory clock speed 1,750 MHz vs 1,200 MHz More than 45% higher memory clock speed
Significantly lower TDP 65W vs 175W 2.7x lower TDP
Front view of Radeon HD 7870

Reasons to consider the
AMD Radeon HD 7870

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Higher memory bandwidth 153.6 GB/s vs 112 GB/s More than 35% higher memory bandwidth
Higher pixel rate 32 GPixel/s vs 18.8 GPixel/s More than 70% higher pixel rate
More render output processors 32 vs 16 Twice as many render output processors
More shading units 1,280 vs 896 384 more shading units
More texture mapping units 80 vs 56 24 more texture mapping units
More compute units 20 vs 14 6 more compute units
Slightly wider memory bus 256 bit vs 128 bit 2x wider memory bus

Features Key features of the Radeon RX 560D  vs HD 7870 

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

Radeon RX 560D
112 GB/s
Radeon HD 7870
153.6 GB/s

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

Radeon RX 560D
18.8 GPixel/s
Radeon HD 7870
32 GPixel/s

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

Radeon RX 560D
65.8 GTexel/s
Radeon HD 7870
80 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX 560D
2,106 GFLOPS
Radeon HD 7870
2,560 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


Radeon RX 560D  vs
HD 7870 
GPU name Baffin Pitcairn XT
Clock speed 1,090 MHz 1,000 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 896 1,280
Texture mapping units 56 80
Render output processors 16 32
Compute units 14 20
Pixel rate 18.8 GPixel/s 32 GPixel/s
Texture rate 65.8 GTexel/s 80 GTexel/s
Floating-point performance 2,106 GFLOPS 2,560 GFLOPS


Radeon RX 560D  vs
HD 7870 
Memory clock speed 1,750 MHz 1,200 MHz
Effective memory clock speed 7,000 MHz 4,800 MHz
Memory bus 128 bit 256 bit
Memory 4,096 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 112 GB/s 153.6 GB/s

noise and power

TDP 65W 175W


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