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Differences What are the advantages of each

Front view of Radeon R7 M440

Reasons to consider the
AMD Radeon R7 M440

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Slightly higher clock speed 1,021 MHz vs 1,000 MHz Almost the same
Front view of Radeon E8870

Reasons to consider the
AMD Radeon E8870

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Significantly higher effective memory clock speed 6,000 MHz vs 2,000 MHz 3x higher effective memory clock speed
Higher memory bandwidth 96 GB/s vs 16 GB/s 6x higher memory bandwidth
Better floating-point performance 1,536 GFLOPS vs 653.4 GFLOPS More than 2.2x better floating-point performance
Higher texture rate 48 GTexel/s vs 20.42 GTexel/s More than 2.2x higher texture rate
Significantly higher memory clock speed 1,500 MHz vs 1,000 MHz 50% higher memory clock speed
Higher pixel rate 16 GPixel/s vs 8.17 GPixel/s More than 95% higher pixel rate
More shading units 768 vs 320 448 more shading units
More texture mapping units 48 vs 20 28 more texture mapping units
More compute units 12 vs 5 7 more compute units
More render output processors 16 vs 8 Twice as many render output processors
Wider memory bus 128 bit vs 64 bit 2x wider memory bus

Features Key features of the Radeon R7 M440  vs E8870 

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

Radeon R7 M440
16 GB/s
Radeon E8870
96 GB/s

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

Radeon R7 M440
8.17 GPixel/s
Radeon E8870
16 GPixel/s

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

Radeon R7 M440
20.42 GTexel/s
Radeon E8870
48 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R7 M440
653.4 GFLOPS
Radeon E8870
1,536 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 R7 M440  vs
E8870 
GPU brand AMD AMD
GPU name Meso Saturn
Market Laptop Laptop
Clock speed 1,021 MHz 1,000 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 320 768
Texture mapping units 20 48
Render output processors 8 16
Compute units 5 12
Pixel rate 8.17 GPixel/s 16 GPixel/s
Texture rate 20.42 GTexel/s 48 GTexel/s
Floating-point performance 653.4 GFLOPS 1,536 GFLOPS

memory

Radeon R7 M440  vs
E8870 
Memory clock speed 1,000 MHz 1,500 MHz
Effective memory clock speed 2,000 MHz 6,000 MHz
Memory bus 64 bit 128 bit
Memory 4,096 MB 4,096 MB
Memory type DDR3 GDDR5
Memory bandwidth 16 GB/s 96 GB/s

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