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Differences What are the advantages of each

Front view of Radeon HD 7850

Reasons to consider the
AMD Radeon HD 7850

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Significantly higher clock speed 860 MHz vs 498 MHz Around 75% higher clock speed
Better floating-point performance 1,761.3 GFLOPS vs 39.84 GFLOPS Around 44.2x better floating-point performance
Higher pixel rate 27.52 GPixel/s vs 1.99 GPixel/s More than 13.8x higher pixel rate
Significantly more render output processors 32 vs 4 28 more render output processors
Higher texture rate 55 GTexel/s vs 1.99 GTexel/s Around 27.8x higher texture rate
More shading units 1,024 vs 40 984 more shading units
More texture mapping units 64 vs 4 60 more texture mapping units
More compute units 16 vs 2 14 more compute units
Front view of Radeon HD 4200 IGP

Reasons to consider the
ATI Radeon HD 4200 IGP

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GPUBoss is not aware of any important advantages of the ATI Radeon HD 4200 IGP vs the AMD Radeon HD 7850.

Features Key features of the Radeon HD 7850  vs 4200 IGP 

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

Radeon HD 7850
27.52 GPixel/s
Radeon HD 4200 IGP
1.99 GPixel/s

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

Radeon HD 7850
55 GTexel/s
Radeon HD 4200 IGP
1.99 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon HD 7850
1,761.3 GFLOPS
Radeon HD 4200 IGP
39.84 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

gpu

Radeon HD 7850  vs
4200 IGP 
GPU brand AMD ATi
GPU name Pitcairn PRO RS880
Clock speed 860 MHz 498 MHz
Is dual GPU No No
Reference card None None

raw performance

Radeon HD 7850  vs
4200 IGP 
Shading units 1,024 40
Texture mapping units 64 4
Render output processors 32 4
Compute units 16 2
Pixel rate 27.52 GPixel/s 1.99 GPixel/s
Texture rate 55 GTexel/s 1.99 GTexel/s
Floating-point performance 1,761.3 GFLOPS 39.84 GFLOPS

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