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Differences What are the advantages of each

Front view of Radeon R5 A240

Reasons to consider the
AMD Radeon R5 A240

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Slightly more texture mapping units 20 vs 8 12 more texture mapping units
Slightly more render output processors 8 vs 4 Twice as many render output processors
Slightly more shading units 320 vs 160 Twice as many shading units
Slightly more compute units 5 vs 2 3 more compute units
Front view of Radeon HD 8490

Reasons to consider the
AMD Radeon HD 8490

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Higher clock speed 875 MHz vs 650 MHz Around 35% higher clock speed

Features Key features of the Radeon R5 A240  vs HD 8490 

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

Radeon R5 A240
14.4 GB/s
Radeon HD 8490
14.4 GB/s

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

Radeon R5 A240
5.2 GPixel/s
Radeon HD 8490
3.5 GPixel/s

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

Radeon R5 A240
13 GTexel/s
Radeon HD 8490
7 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R5 A240
Radeon HD 8490

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 R5 A240  vs
HD 8490 
GPU name Jet Caicos XTX
Clock speed 650 MHz 875 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 320 160
Texture mapping units 20 8
Render output processors 8 4
Compute units 5 2
Pixel rate 5.2 GPixel/s 3.5 GPixel/s
Texture rate 13 GTexel/s 7 GTexel/s
Floating-point performance 416 GFLOPS 280 GFLOPS


Radeon R5 A240  vs
HD 8490 
Memory clock speed 900 MHz 900 MHz
Effective memory clock speed 1,800 MHz 1,800 MHz
Memory bus 64 bit 64 bit
Memory 1,024 MB 1,024 MB
Memory type DDR3 DDR3
Memory bandwidth 14.4 GB/s 14.4 GB/s


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