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Differences What are the advantages of each

Front view of Radeon R9 290X Battlefield 4

Reasons to consider the
AMD Radeon R9 290X Battlefield 4

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Lower TDP 250W vs 300W More than 15% lower TDP
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 800 MHz 25% higher clock speed
Higher pixel rate 64 GPixel/s vs 35.2 GPixel/s More than 80% higher pixel rate
Significantly more compute units 44 vs 11 33 more compute units
Better floating-point performance 5,632 GFLOPS vs 4,506 GFLOPS Around 25% better floating-point performance
More render output processors 64 vs 44 20 more render output processors

Features Key features of the Radeon R9 290X Battlefield 4  vs 290X 

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

Radeon R9 290X
64 GPixel/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

render output processors GPU commponents responsible for transform pixels as they flow between memory buffers

compute units Discrete cores within the GPU

Specifications Full list of technical specs

gpu

Radeon R9 290X Battlefield 4  vs
290X 
GPU brand AMD AMD
GPU name Hawaii Hawaii
Clock speed 800 MHz 1,000 MHz
Turbo clock speed 1,000 MHz 1,000 MHz
Is dual GPU No No
Reference card None None

raw performance

Shading units 2,816 2,816
Texture mapping units 176 176
Render output processors 44 64
Compute units 11 44
Pixel rate 35.2 GPixel/s 64 GPixel/s
Floating-point performance 4,506 GFLOPS 5,632 GFLOPS

memory

Radeon R9 290X Battlefield 4  vs
290X 
Memory clock speed 1,250 MHz 1,250 MHz
Effective memory clock speed 5,000 MHz 5,000 MHz
Memory bus 512 bit 512 bit
Memory 4,096 MB 4,096 MB
Memory type GDDR5 GDDR5

noise and power

TDP 250W 300W

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