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Differences What are the advantages of each

Front view of GeForce GTX 970

Reasons to consider the
Nvidia GeForce GTX 970

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Much higher clock speed 1,050 MHz vs 400 MHz Around 2.8x higher clock speed
Much higher effective memory clock speed 7,012 MHz vs 1,600 MHz Around 4.5x higher effective memory clock speed
Significantly higher memory bandwidth 224.4 GB/s vs 51.2 GB/s Around 4.5x higher memory bandwidth
Better floating-point performance 3,494 GFLOPS vs 128 GFLOPS More than 27.2x better floating-point performance
Significantly higher pixel rate 58.8 GPixel/s vs 6.4 GPixel/s Around 9.2x higher pixel rate
More memory 4,096 MB vs 1,024 MB 4x more memory
Higher texture rate 109.2 GTexel/s vs 12.8 GTexel/s More than 8.5x higher texture rate
Significantly more render output processors 56 vs 16 40 more render output processors
Significantly more shading units 1,664 vs 64 1600 more shading units
Much higher memory clock speed 1,753 MHz vs 800 MHz Around 2.2x higher memory clock speed
More texture mapping units 104 vs 32 72 more texture mapping units
Front view of GeForce GTS 150M

Reasons to consider the
Nvidia GeForce GTS 150M

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Significantly lower TDP 45W vs 148W 3.3x lower TDP

Features Key features of the GeForce GTX 970  vs GTS 150M 

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

GeForce GTX 970
224.4 GB/s
GeForce GTS 150M
51.2 GB/s

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

GeForce GTX 970
58.8 GPixel/s
GeForce GTS 150M
6.4 GPixel/s

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

GeForce GTX 970
109.2 GTexel/s
GeForce GTS 150M
12.8 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 970
3,494 GFLOPS
GeForce GTS 150M
128 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 970  vs
GTS 150M 
GPU brand Nvidia Nvidia
GPU name GM204 G94
Market Desktop Laptop
Clock speed 1,050 MHz 400 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 1,664 64
Texture mapping units 104 32
Render output processors 56 16
Pixel rate 58.8 GPixel/s 6.4 GPixel/s
Texture rate 109.2 GTexel/s 12.8 GTexel/s
Floating-point performance 3,494 GFLOPS 128 GFLOPS

memory

GeForce GTX 970  vs
GTS 150M 
Memory clock speed 1,753 MHz 800 MHz
Effective memory clock speed 7,012 MHz 1,600 MHz
Memory bus 256 bit 256 bit
Memory 4,096 MB 1,024 MB
Memory type GDDR5 GDDR3
Memory bandwidth 224.4 GB/s 51.2 GB/s

noise and power

TDP 148W 45W

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