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Differences What are the advantages of each

Front view of Radeon R9 270X

Reasons to consider the
AMD Radeon R9 270X

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Higher clock speed 1,000 MHz vs 850 MHz Around 20% higher clock speed
Higher effective memory clock speed 5,600 MHz vs 4,800 MHz More than 15% higher effective memory clock speed
Higher memory bandwidth 179.2 GB/s vs 153.6 GB/s More than 15% higher memory bandwidth
Higher memory clock speed 1,400 MHz vs 1,200 MHz More than 15% higher memory clock speed
Lower TDP 180W vs 228W More than 20% lower TDP
Front view of Radeon HD 5870 Eyefinity 6

Reasons to consider the
ATi Radeon HD 5870 Eyefinity 6

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More shading units 1,600 vs 1,280 320 more shading units

Features Key features of the Radeon R9 270X  vs HD 5870 Eyefinity 6 

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

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

Radeon R9 270X
33.6 GPixel/s

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

Radeon R9 270X
84 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R9 270X
2,688 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 R9 270X  vs
HD 5870 Eyefinity 6 
GPU brand AMD ATI
GPU name Curacao Cypress
Market Desktop Desktop
Clock speed 1,000 MHz 850 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,280 1,600
Texture mapping units 80 80
Render output processors 32 32
Compute units 20 20
Pixel rate 33.6 GPixel/s 27.2 GPixel/s
Texture rate 84 GTexel/s 68 GTexel/s
Floating-point performance 2,688 GFLOPS 2,720 GFLOPS

memory

Radeon R9 270X  vs
HD 5870 Eyefinity 6 
Memory clock speed 1,400 MHz 1,200 MHz
Effective memory clock speed 5,600 MHz 4,800 MHz
Memory bus 256 bit 256 bit
Memory 2,048 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 179.2 GB/s 153.6 GB/s

noise and power

TDP 180W 228W

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