Cast your vote Do you agree or disagree with GPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Differences What are the advantages of each

Front view of Radeon R9 290X

Reasons to consider the
AMD Radeon R9 290X

Report a correction
Much higher pixel rate 64 GPixel/s vs 29.6 GPixel/s Around 2.2x higher pixel rate
Better floating-point performance 5,632 GFLOPS vs 3,789 GFLOPS Around 50% better floating-point performance
More memory 4,096 MB vs 3,072 MB Around 35% more memory
Higher clock speed 1,000 MHz vs 925 MHz Around 10% higher clock speed
Many more render output processors 64 vs 32 Twice as many render output processors
Higher texture rate 176 GTexel/s vs 118.4 GTexel/s Around 50% higher texture rate
Higher memory bandwidth 320 GB/s vs 264 GB/s More than 20% higher memory bandwidth
More shading units 2,816 vs 2,048 768 more shading units
More texture mapping units 176 vs 128 48 more texture mapping units
More compute units 44 vs 32 12 more compute units
Significantly higher BioShock infinite framerate 94.9 fps vs 70.4 fps Around 35% higher BioShock infinite framerate
Wider memory bus 512 bit vs 384 bit Around 35% wider memory bus
Front view of Radeon HD 7970

Reasons to consider the
AMD Radeon HD 7970

Report a correction
Slightly higher effective memory clock speed 5,500 MHz vs 5,000 MHz 10% higher effective memory clock speed
Higher memory clock speed 1,375 MHz vs 1,250 MHz 10% higher memory clock speed
Lower TDP 250W vs 300W More than 15% lower TDP

Benchmarks Real world tests of Radeon R9 290X vs HD 7970

BioShock Infinite 1920 x 1080 - Ultra preset + DX11 (DDOF)

Radeon R9 290X
94.9 fps
Radeon HD 7970
70.4 fps
Radeon R9 290X Radeon HD 7970 @ anandtech.com

Features Key features of the Radeon R9 290X  vs HD 7970 

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

Radeon R9 290X
320 GB/s
Radeon HD 7970
264 GB/s
The core of the HD 7970 GHz Edition is clocked as high as 1000 MHz, with a Boost frequency of 1050 MHz; while the memory is upped to 1500 MHz (actual) or 6.00 GHz (GDDR5 effective), resulting in a staggering 288 GB/s bandwidth thanks to the 384-bit wide memory interface.
Radeon HD 7970 | by techPowerUp! (Jun, 2012)

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

Radeon R9 290X
64 GPixel/s
Radeon HD 7970
29.6 GPixel/s
That improvement nets the card a 6% performance advantage over AMD's HD 7970 GHz Edition reference design.
Radeon HD 7970 | by techPowerUp! (Nov, 2012)

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

Radeon R9 290X
176 GTexel/s
Radeon HD 7970
118.4 GTexel/s
You may combine up to four HD 7970 cards from any vendor in a multi-GPU CrossFire configuration for higher framerates or better image quality settings.
Radeon HD 7970 | by techPowerUp! (Jul, 2012)

floating point performance How fast the gpu can crunch numbers

Radeon R9 290X
5,632 GFLOPS
Radeon HD 7970
3,789 GFLOPS
It makes use of Bethesda's Creation Engine, which isn't visually intensive in that it doesn't use taxing graphics features, but the game's presentation itself, with large open worlds, ends up taxing your hardware.
Radeon HD 7970 | by techPowerUp! (Jul, 2012)

shading units Subcomponents of the gpu, these run in parallel to enable fast pixel shading

AMD's Tahiti graphics processor introduces a new shader architecture, it is also the first GPU to be produced on a 28 nm process at TSMC.
Radeon HD 7970 | by techPowerUp! (May, 2012)

texture mapping units Built into each gpu, these resize and rotate bitmaps for texturing scenes

Reviews Word on the street

Radeon R9 290X  vs HD 7970 

9.3
8.8
Please note that we are discussing 2560x1600 here because it is the absolute minimum resolution you should use for 290X CrossFire.
Radeon R9 290X

Read more

Comments

Showing 2 comments.
newegg.ca had 7970 ghz for 320.00 with tax so you could have 2 7970 vs one 290x for the price
Looks like it's slightly better.. Let's wait for the prices..
comments powered by Disqus