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Differences What are the advantages of each

Front view of Radeon E8870

Reasons to consider the
AMD Radeon E8870

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Much higher clock speed 1,000 MHz vs 575 MHz Around 75% higher clock speed
More memory 4,096 MB vs 2,048 MB 2x more memory
Higher effective memory clock speed 6,000 MHz vs 4,500 MHz Around 35% higher effective memory clock speed
Better floating-point performance 1,536 GFLOPS vs 800 GFLOPS More than 90% better floating-point performance
Higher memory bandwidth 96 GB/s vs 72 GB/s Around 35% higher memory bandwidth
Higher texture rate 48 GTexel/s vs 25 GTexel/s More than 90% higher texture rate
Significantly higher memory clock speed 1,500 MHz vs 1,125 MHz Around 35% higher memory clock speed
Front view of Radeon E8860

Reasons to consider the
AMD Radeon E8860

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Lower TDP 37W vs 75W 2x lower TDP

Features Key features of the Radeon E8870  vs E8860 

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

Radeon E8870
96 GB/s
Radeon E8860
72 GB/s

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

Radeon E8870
16 GPixel/s
Radeon E8860
10 GPixel/s

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

Radeon E8870
48 GTexel/s
Radeon E8860
25 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon E8870
1,536 GFLOPS
Radeon E8860
800 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 E8870  vs
E8860 
GPU brand AMD AMD
GPU name Saturn Venus
Market Laptop Laptop
Clock speed 1,000 MHz 575 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 768 640
Texture mapping units 48 40
Render output processors 16 16
Compute units 12 10
Pixel rate 16 GPixel/s 10 GPixel/s
Texture rate 48 GTexel/s 25 GTexel/s
Floating-point performance 1,536 GFLOPS 800 GFLOPS

memory

Radeon E8870  vs
E8860 
Memory clock speed 1,500 MHz 1,125 MHz
Effective memory clock speed 6,000 MHz 4,500 MHz
Memory bus 128 bit 128 bit
Memory 4,096 MB 2,048 MB
Memory type GDDR5 GDDR5
Memory bandwidth 96 GB/s 72 GB/s

noise and power

TDP 75W 37W

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