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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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Significantly higher clock speed 1,021 MHz vs 625 MHz Around 65% higher clock speed
Significantly more memory 4,096 MB vs 1,024 MB 4x more memory
More shading units 320 vs 96 224 more shading units
Higher memory clock speed 1,000 MHz vs 900 MHz More than 10% higher memory clock speed
Front view of GeForce 620M

Reasons to consider the
Nvidia GeForce 620M

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GPUBoss is not aware of any important advantages of the Nvidia GeForce 620M vs the AMD Radeon R7 M440.

Features Key features of the Radeon R7 M440  vs GeForce 620M 

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

Radeon R7 M440
16 GB/s
GeForce 620M
14.4 GB/s

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

Radeon R7 M440
8.17 GPixel/s
GeForce 620M
2.5 GPixel/s

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

Radeon R7 M440
20.42 GTexel/s
GeForce 620M
10 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R7 M440
653.4 GFLOPS
GeForce 620M
240 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
GeForce 620M 
GPU brand AMD Nvidia
GPU name Meso GF117
Market Laptop Laptop
Clock speed 1,021 MHz 625 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 320 96
Texture mapping units 20 16
Render output processors 8 8
Pixel rate 8.17 GPixel/s 2.5 GPixel/s
Texture rate 20.42 GTexel/s 10 GTexel/s
Floating-point performance 653.4 GFLOPS 240 GFLOPS

memory

Radeon R7 M440  vs
GeForce 620M 
Memory clock speed 1,000 MHz 900 MHz
Effective memory clock speed 2,000 MHz 1,800 MHz
Memory bus 64 bit 64 bit
Memory 4,096 MB 1,024 MB
Memory type DDR3 DDR3
Memory bandwidth 16 GB/s 14.4 GB/s

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