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Differences What are the advantages of each

Front view of Radeon R9 290X

Reasons to consider the
AMD Radeon R9 290X

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Higher clock speed 1,000 MHz vs 836 MHz Around 20% higher clock speed
Higher memory bandwidth 320 GB/s vs 288.4 GB/s More than 10% higher memory bandwidth
Better floating-point performance 5,632 GFLOPS vs 4,815 GFLOPS More than 15% better floating-point performance
Higher pixel rate 64 GPixel/s vs 50.2 GPixel/s More than 25% higher pixel rate
More render output processors 64 vs 48 16 more render output processors
Wider memory bus 512 bit vs 384 bit Around 35% wider memory bus
Higher turbo clock speed 1,000 MHz vs 876 MHz Around 15% higher turbo clock speed
Front view of GeForce GTX TITAN ULTRA

Reasons to consider the
Nvidia GeForce GTX TITAN ULTRA

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More memory 6,144 MB vs 4,096 MB 50% more memory
Higher effective memory clock speed 6,008 MHz vs 5,000 MHz More than 20% higher effective memory clock speed
Significantly more texture mapping units 240 vs 176 64 more texture mapping units
Higher texture rate 200.6 GTexel/s vs 176 GTexel/s Around 15% higher texture rate
Higher memory clock speed 1,502 MHz vs 1,250 MHz More than 20% higher memory clock speed
Lower TDP 275W vs 300W Around 10% lower TDP

Features Key features of the Radeon R9 290X  vs GeForce GTX TITAN ULTRA 

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

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

Radeon R9 290X
64 GPixel/s
GeForce GTX TITAN ULTRA
50.2 GPixel/s

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

Radeon R9 290X
176 GTexel/s
GeForce GTX TITAN ULTRA
200.6 GTexel/s

floating point performance How fast the gpu can crunch numbers

Radeon R9 290X
5,632 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

Radeon R9 290X  vs
GeForce GTX TITAN ULTRA 
GPU brand AMD Nvidia
GPU name Hawaii GK110
Market Desktop Desktop
Clock speed 1,000 MHz 836 MHz
Turbo clock speed 1,000 MHz 876 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 2,816 2,880
Texture mapping units 176 240
Render output processors 64 48
Pixel rate 64 GPixel/s 50.2 GPixel/s
Texture rate 176 GTexel/s 200.6 GTexel/s
Floating-point performance 5,632 GFLOPS 4,815 GFLOPS

memory

Radeon R9 290X  vs
GeForce GTX TITAN ULTRA 
Memory clock speed 1,250 MHz 1,502 MHz
Effective memory clock speed 5,000 MHz 6,008 MHz
Memory bus 512 bit 384 bit
Memory 4,096 MB 6,144 MB
Memory type GDDR5 GDDR5
Memory bandwidth 320 GB/s 288.4 GB/s

noise and power

TDP 300W 275W

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