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Differences What are the advantages of each

Front view of Radeon R7 Graphics

Reasons to consider the
AMD Radeon R7 Graphics

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Significantly higher clock speed 720 MHz vs 360 MHz 2x higher clock speed
Significantly higher turbo clock speed 980 MHz vs 497 MHz More than 95% higher turbo clock speed
Slightly better floating-point performance 1,003.5 GFLOPS vs 276.5 GFLOPS Around 3.8x better floating-point performance
Front view of Radeon HD 7620G IGP

Reasons to consider the
AMD Radeon HD 7620G IGP

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GPUBoss is not aware of any important advantages of the Radeon HD 7620G IGP vs the Radeon R7 Graphics.

Features Key features of the Radeon R7 Graphics  vs HD 7620G IGP 

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

Radeon R7 Graphics
7.84 GPixel/s
Radeon HD 7620G IGP
2.88 GPixel/s

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

Radeon R7 Graphics
31.36 GTexel/s
Radeon HD 7620G IGP
8.64 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R7 Graphics
1,003.5 GFLOPS
Radeon HD 7620G IGP
276.5 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

compute units Discrete cores within the GPU

Specifications Full list of technical specs


Radeon R7 Graphics  vs
HD 7620G IGP 
GPU name Spectre Devastator
Clock speed 720 MHz 360 MHz
Turbo clock speed 980 MHz 497 MHz
Is dual GPU No No
Reference card None None

noise and power

TDP 15W 25W

raw performance

Radeon R7 Graphics  vs
HD 7620G IGP 
Shading units 512 384
Texture mapping units 32 24
Render output processors 8 8
Compute units 8 6
Pixel rate 7.84 GPixel/s 2.88 GPixel/s
Texture rate 31.36 GTexel/s 8.64 GTexel/s
Floating-point performance 1,003.5 GFLOPS 276.5 GFLOPS


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