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Differences What are the advantages of each

Front view of Radeon R5 A230

Reasons to consider the
AMD Radeon R5 A230

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More memory 4,096 MB vs 1,024 MB 4x more memory
Front view of Radeon HD 6850

Reasons to consider the
AMD Radeon HD 6850

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Higher memory bandwidth 128 GB/s vs 16 GB/s 8x higher memory bandwidth
Higher effective memory clock speed 4,000 MHz vs 2,000 MHz 2x higher effective memory clock speed
Higher pixel rate 24.8 GPixel/s vs 6.84 GPixel/s Around 3.8x higher pixel rate
More render output processors 32 vs 8 24 more render output processors
Better floating-point performance 1,488 GFLOPS vs 547.2 GFLOPS Around 2.8x better floating-point performance
More shading units 960 vs 320 Three times as many shading units
More texture mapping units 48 vs 20 28 more texture mapping units
More compute units 12 vs 5 7 more compute units
Wider memory bus 256 bit vs 64 bit 4x wider memory bus

Features Key features of the Radeon R5 A230  vs HD 6850 

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

Radeon R5 A230
16 GB/s
Radeon HD 6850
128 GB/s

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

Radeon R5 A230
6.84 GPixel/s
Radeon HD 6850
24.8 GPixel/s

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

Radeon R5 A230
17.1 GTexel/s
Radeon HD 6850
37.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R5 A230
547.2 GFLOPS
Radeon HD 6850
1,488 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 R5 A230  vs
HD 6850 
GPU brand AMD AMD
GPU name Jet Barts PRO
Market Laptop Desktop
Clock speed 780 MHz 775 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 320 960
Texture mapping units 20 48
Render output processors 8 32
Compute units 5 12
Pixel rate 6.84 GPixel/s 24.8 GPixel/s
Texture rate 17.1 GTexel/s 37.2 GTexel/s
Floating-point performance 547.2 GFLOPS 1,488 GFLOPS

memory

Radeon R5 A230  vs
HD 6850 
Memory clock speed 1,000 MHz 1,000 MHz
Effective memory clock speed 2,000 MHz 4,000 MHz
Memory bus 64 bit 256 bit
Memory 4,096 MB 1,024 MB
Memory type DDR3 GDDR5
Memory bandwidth 16 GB/s 128 GB/s

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