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Differences What are the advantages of each

Front view of GeForce GTS 450

Reasons to consider the
Nvidia GeForce GTS 450

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Higher clock speed 783 MHz vs 589 MHz Around 35% higher clock speed
Higher effective memory clock speed 1,400 MHz vs 800 MHz 75% higher effective memory clock speed
Slightly higher memory bandwidth 22.4 GB/s vs 6.4 GB/s Around 3.5x higher memory bandwidth
More render output processors 16 vs 4 12 more render output processors
Slightly higher texture rate 18.79 GTexel/s vs 2.36 GTexel/s Around 8x higher texture rate
Higher memory clock speed 700 MHz vs 400 MHz 75% higher memory clock speed
More texture mapping units 24 vs 4 20 more texture mapping units
Wider memory bus 128 bit vs 64 bit 2x wider memory bus
Front view of GeForce 205

Reasons to consider the
Nvidia GeForce 205

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Lower TDP 31W vs 106W 3.4x lower TDP

Features Key features of the GeForce GTS 450  vs 205 

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

GeForce GTS 450
22.4 GB/s
GeForce 205
6.4 GB/s

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

GeForce GTS 450
4.7 GPixel/s
GeForce 205
2.36 GPixel/s

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

GeForce GTS 450
18.79 GTexel/s
GeForce 205
2.36 GTexel/s

floating point performance How fast the gpu can crunch numbers

GeForce GTS 450
451 GFLOPS
GeForce 205
22.43 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 GTS 450  vs
205 
GPU brand Nvidia Nvidia
GPU name GF116 GT218
Market Desktop Desktop
Clock speed 783 MHz 589 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 144 8
Texture mapping units 24 4
Render output processors 16 4
Pixel rate 4.7 GPixel/s 2.36 GPixel/s
Texture rate 18.79 GTexel/s 2.36 GTexel/s
Floating-point performance 451 GFLOPS 22.43 GFLOPS

memory

GeForce GTS 450  vs
205 
Memory clock speed 700 MHz 400 MHz
Effective memory clock speed 1,400 MHz 800 MHz
Memory bus 128 bit 64 bit
Memory 1,024 MB 512 MB
Memory type DDR3 DDR2
Memory bandwidth 22.4 GB/s 6.4 GB/s

noise and power

TDP 106W 31W

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