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Differences What are the advantages of each

Front view of Radeon RX 455

Reasons to consider the
AMD Radeon RX 455

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Much higher effective memory clock speed 6,500 MHz vs 1,800 MHz More than 3.5x higher effective memory clock speed
Higher memory bandwidth 104 GB/s vs 14.4 GB/s Around 7.2x higher memory bandwidth
Higher clock speed 1,050 MHz vs 967 MHz Around 10% higher clock speed
Significantly higher memory clock speed 1,625 MHz vs 900 MHz More than 80% higher memory clock speed
Better floating-point performance 1,612.8 GFLOPS vs 742.7 GFLOPS Around 2.2x better floating-point performance
Higher texture rate 50.4 GTexel/s vs 15.47 GTexel/s More than 3.2x higher texture rate
Slightly higher pixel rate 16.8 GPixel/s vs 7.74 GPixel/s Around 2.2x higher pixel rate
More texture mapping units 48 vs 16 Three times as many texture mapping units
More shading units 768 vs 384 Twice as many shading units
More render output processors 16 vs 8 Twice as many render output processors
Front view of GeForce GT 720

Reasons to consider the
Nvidia GeForce GT 720

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Lower TDP 19W vs 100W 5.3x lower TDP

Features Key features of the Radeon RX 455  vs GeForce GT 720 

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

Radeon RX 455
104 GB/s
GeForce GT 720
14.4 GB/s

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

Radeon RX 455
16.8 GPixel/s
GeForce GT 720
7.74 GPixel/s

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

Radeon RX 455
50.4 GTexel/s
GeForce GT 720
15.47 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon RX 455
1,612.8 GFLOPS
GeForce GT 720
742.7 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


Radeon RX 455  vs
GeForce GT 720 
GPU brand AMD Nvidia
GPU name Tobago GK118
Clock speed 1,050 MHz 967 MHz
Is dual GPU No No
Reference card None Nvidia GeForce GT 720 797 MHz 1 GB

raw performance

Shading units 768 384
Texture mapping units 48 16
Render output processors 16 8
Pixel rate 16.8 GPixel/s 7.74 GPixel/s
Texture rate 50.4 GTexel/s 15.47 GTexel/s
Floating-point performance 1,612.8 GFLOPS 742.7 GFLOPS


Radeon RX 455  vs
GeForce GT 720 
Memory clock speed 1,625 MHz 900 MHz
Effective memory clock speed 6,500 MHz 1,800 MHz
Memory bus 128 bit 64 bit
Memory 2,048 MB 2,048 MB
Memory type GDDR5 DDR3
Memory bandwidth 104 GB/s 14.4 GB/s

noise and power

TDP 100W 19W

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