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Differences What are the advantages of each

Front view of GeForce GTX 980MX

Reasons to consider the
Nvidia GeForce GTX 980MX

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More memory 8,192 MB vs 4,096 MB 2x more memory
Front view of GeForce GTX 970

Reasons to consider the
Nvidia GeForce GTX 970

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Higher effective memory clock speed 7,012 MHz vs 6,000 MHz More than 15% higher effective memory clock speed
Higher memory bandwidth 224.4 GB/s vs 192 GB/s More than 15% higher memory bandwidth
Higher memory clock speed 1,753 MHz vs 1,500 MHz More than 15% higher memory clock speed

Features Key features of the GeForce GTX 980MX  vs 970 

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

GeForce GTX 970
224.4 GB/s

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

GeForce GTX 980MX
58.8 GPixel/s
GeForce GTX 970
58.8 GPixel/s

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

GeForce GTX 980MX
109.2 GTexel/s
GeForce GTX 970
109.2 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 980MX
3,494 GFLOPS
GeForce GTX 970
3,494 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

GeForce GTX 980MX  vs
970 
GPU brand Nvidia Nvidia
GPU name GM204 GM204
Market Laptop Desktop
Clock speed 1,050 MHz 1,050 MHz
Turbo clock speed 1,178 MHz 1,178 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,664 1,664
Texture mapping units 104 104
Render output processors 56 56
Pixel rate 58.8 GPixel/s 58.8 GPixel/s
Texture rate 109.2 GTexel/s 109.2 GTexel/s
Floating-point performance 3,494 GFLOPS 3,494 GFLOPS

memory

GeForce GTX 980MX  vs
970 
Memory clock speed 1,500 MHz 1,753 MHz
Effective memory clock speed 6,000 MHz 7,012 MHz
Memory bus 256 bit 256 bit
Memory 8,192 MB 4,096 MB
Memory type GDDR5 GDDR5
Memory bandwidth 192 GB/s 224.4 GB/s

noise and power

TDP 148W 148W

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