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Differences What are the advantages of each

Front view of Radeon R7 260X

Reasons to consider the
AMD Radeon R7 260X

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Much higher clock speed 1,100 MHz vs 500 MHz Around 2.2x higher clock speed
Significantly higher effective memory clock speed 6,500 MHz vs 2,800 MHz More than 2.2x higher effective memory clock speed
Much higher memory clock speed 1,625 MHz vs 700 MHz More than 2.2x higher memory clock speed
Front view of Mobility Radeon HD 4850 X2

Reasons to consider the
ATi Mobility Radeon HD 4850 X2

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Is dual GPU Yes vs No About half of graphics cards are dual GPU
Higher memory bandwidth 179.2 GB/s vs 104 GB/s More than 70% higher memory bandwidth
More render output processors 32 vs 16 Twice as many render output processors
More shading units 1,600 vs 896 704 more shading units
More texture mapping units 80 vs 56 24 more texture mapping units
Wider memory bus 512 bit vs 128 bit 4x wider memory bus
More compute units 20 vs 14 6 more compute units

Features Key features of the Radeon R7 260X  vs Mobility Radeon HD 4850 X2 

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 R7 260X
17.6 GPixel/s

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

Radeon R7 260X
61.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R7 260X
1,971.2 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 R7 260X  vs
Mobility Radeon HD 4850 X2 
GPU name Bonaire M98
Market Desktop Laptop
Clock speed 1,100 MHz 500 MHz
Is dual GPU No Yes
Reference card None None

raw performance

Shading units 896 1,600
Texture mapping units 56 80
Render output processors 16 32
Compute units 14 20
Pixel rate 17.6 GPixel/s 16 GPixel/s
Texture rate 61.6 GTexel/s 40 GTexel/s
Floating-point performance 1,971.2 GFLOPS 1,600 GFLOPS


Radeon R7 260X  vs
Mobility Radeon HD 4850 X2 
Memory clock speed 1,625 MHz 700 MHz
Effective memory clock speed 6,500 MHz 2,800 MHz
Memory bus 128 bit 512 bit
Memory 2,048 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 104 GB/s 179.2 GB/s


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