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Differences What are the advantages of each

Front view of Radeon HD 7650

Reasons to consider the
AMD Radeon HD 7650

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Much higher effective memory clock speed 4,400 MHz vs 1,000 MHz Around 4.5x higher effective memory clock speed
Higher memory bandwidth 70.4 GB/s vs 8 GB/s More than 8.8x higher memory bandwidth
Higher clock speed 750 MHz vs 650 MHz More than 15% higher clock speed
Much higher memory clock speed 1,100 MHz vs 500 MHz Around 2.2x higher memory clock speed
Better floating-point performance 672 GFLOPS vs 104 GFLOPS Around 6.5x better floating-point performance
Slightly higher texture rate 21 GTexel/s vs 5.2 GTexel/s More than 4x higher texture rate
More shading units 448 vs 80 368 more shading units
More texture mapping units 28 vs 8 20 more texture mapping units
More compute units 7 vs 2 5 more compute units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of Radeon HD 5490

Reasons to consider the
ATi Radeon HD 5490

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Lower TDP 19W vs 55W 2.9x lower TDP

Features Key features of the Radeon HD 7650  vs 5490 

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

Radeon HD 7650
70.4 GB/s

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

Radeon HD 7650
6 GPixel/s
Radeon HD 5490
2.6 GPixel/s

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

Radeon HD 7650
21 GTexel/s
Radeon HD 5490
5.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 7650
672 GFLOPS
Radeon HD 5490
104 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 HD 7650  vs
5490 
GPU brand AMD ATI
GPU name Cape Verde LE Cedar
Market Desktop Desktop
Clock speed 750 MHz 650 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 448 80
Texture mapping units 28 8
Render output processors 8 4
Compute units 7 2
Pixel rate 6 GPixel/s 2.6 GPixel/s
Texture rate 21 GTexel/s 5.2 GTexel/s
Floating-point performance 672 GFLOPS 104 GFLOPS

memory

Radeon HD 7650  vs
5490 
Memory clock speed 1,100 MHz 500 MHz
Effective memory clock speed 4,400 MHz 1,000 MHz
Memory bus 128 bit 64 bit
Memory 1,024 MB 1,024 MB
Memory type GDDR5 GDDR3
Memory bandwidth 70.4 GB/s 8 GB/s

noise and power

TDP 55W 19W

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