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Differences What are the advantages of each

Front view of GeForce GTX 460

Reasons to consider the
Nvidia GeForce GTX 460

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Higher memory bandwidth 115.2 GB/s vs 12.8 GB/s 9x higher memory bandwidth
Higher effective memory clock speed 3,600 MHz vs 1,600 MHz 2.2x higher effective memory clock speed
Slightly higher clock speed 675 MHz vs 606 MHz More than 10% higher clock speed
Significantly more render output processors 32 vs 4 28 more render output processors
Slightly better floating-point performance 907.2 GFLOPS vs 38.78 GFLOPS Around 23.5x better floating-point performance
More texture mapping units 56 vs 8 48 more texture mapping units
Higher texture rate 37.8 GTexel/s vs 4.85 GTexel/s More than 7.8x higher texture rate
More shading units 336 vs 16 320 more shading units
Wider memory bus 256 bit vs 64 bit 4x wider memory bus
Slightly higher memory clock speed 900 MHz vs 800 MHz Around 15% higher memory clock speed
Front view of GeForce 315M

Reasons to consider the
Nvidia GeForce 315M

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Significantly lower TDP 14W vs 160W 11.4x lower TDP

Features Key features of the GeForce GTX 460  vs 315M 

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

GeForce GTX 460
115.2 GB/s
GeForce 315M
12.8 GB/s

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

GeForce GTX 460
9.45 GPixel/s
GeForce 315M
2.42 GPixel/s

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

GeForce GTX 460
37.8 GTexel/s
GeForce 315M
4.85 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTX 460
907.2 GFLOPS
GeForce 315M
38.78 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 460  vs
315M 
GPU brand Nvidia Nvidia
GPU name GF104 GT218
Market Desktop Laptop
Clock speed 675 MHz 606 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 336 16
Texture mapping units 56 8
Render output processors 32 4
Pixel rate 9.45 GPixel/s 2.42 GPixel/s
Texture rate 37.8 GTexel/s 4.85 GTexel/s
Floating-point performance 907.2 GFLOPS 38.78 GFLOPS

memory

GeForce GTX 460  vs
315M 
Memory clock speed 900 MHz 800 MHz
Effective memory clock speed 3,600 MHz 1,600 MHz
Memory bus 256 bit 64 bit
Memory 1,024 MB 512 MB
Memory type GDDR5 GDDR3
Memory bandwidth 115.2 GB/s 12.8 GB/s

noise and power

TDP 160W 14W

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