Radeon R9 280 

Released March, 2014
  • 827 MHz
  • 3 GB GDDR5

The GPU core clock is maintained at 1000 MHz and the boost clock is configured at 1050 MHz.
by hassan-mujtaba (Oct, 2013)
AMD TrueAudio technology enhances audio realism by simulating the human brain’s perception of real-world sound, working in concert with the user’s existing audio hardware to recreate a lifelike experience in upcoming games like “THIEF™” by Square Enix or “Lichdom” by Xaviant Games.
by hassan-mujtaba (Sep, 2013)

Features Key features of the Radeon R9 280

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

Radeon R9 280
26.5 GPixel/s
GeForce GTX 770
33.5 GPixel/s
GeForce GTX 660
19.6 GPixel/s
At the highest resolution, we do see the card fall just short of that 60 FPS average, but considering our minimum is 48 FPS, we'd say the overall playability of the game is great.
by Shawn-Baker (Aug, 2014)

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

Radeon R9 280
92.6 GTexel/s
GeForce GTX 770
134 GTexel/s
Radeon HD 7970
118.4 GTexel/s
You might feel that 155 FPS at 2560 x 1600 is a little pointless; however, thanks to the release of new 144Hz 2560 x 1440 monitors, the demand for ultra-high FPS to help offer extra smooth gameplay is becoming greater.
by Shawn-Baker (Aug, 2014)

floating point performance How fast the gpu can crunch numbers

Radeon R9 280
2,964 GFLOPS
GeForce GTX 660
1,882 GFLOPS
Radeon HD 7970
3,789 GFLOPS
The R9 290X’s 55% fan speed “Uber” mode is high enough to prevent GPU throttling in workloads, even under sustained load.
by Joel-Hruska (Nov, 2013)

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

Radeon R9 280
1,792
According to industry sources familiar with the matter, AMD's upcoming Radeon R9 285 graphics card is indeed based on the Tonga Pro GPU and it will pack 1792 Stream Processors.
by Slobodan-Simic (Aug, 2014)

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

Radeon R9 280
112
The Radeon R9 280X is based on the 28nm Tahiti die featuring 2048 Stream processors, 128 Texture mapping units and 32 Raster Operators.
by hassan-mujtaba (Oct, 2013)

compute units Discrete cores within the GPU

Radeon R9 280
28

In The News From around the web

At the end of it all, though, if you're looking at something around the low $200 mark from AMD, this is a great option, especially this GIGABYTE version with its strong overclock and fantastic cooling setup.
The overall balance when it comes to performance is quite strong now thanks to the overclock that GIGABYTE has offered.
At the highest resolution, we see our R9 280 3GB CrossFire setup is able to offer a fantastic 56 FPS average.
Looking at the base clock of the card, the out of the box overclocks, and the bundle that PowerColor has put together, we'd say that this is a pretty strong offering.
12
Aug

AMD Radeon R9 285 packs 1792 Stream Processors

by Slobodan Simic |
www.fudzilla.com
Recent rumors suggested that the AMD Tonga GPU will be very power efficient or at least better than Tahiti, but we have to wait and see some benchmarks before leaping to any conclusions.
We managed to confirm that the upcoming AMD Radeon R9 285, based on AMD's new Tonga GPU and scheduled to launch sometime this month, will pack 1792 Stream Processors.
The Radeon R9 285 will be price in the $300 US range which means that Tahiti based cards will be receiving a major price cut as hinted previously to make room for the new cards otherwise having both Tahiti XT and Tonga at the same price will mean poor sales for the inferior product of the two.
While Tahiti is generally replaced by its successor Hawaii, it is still a part of the current R9 200 series line as a performance part rather than the high-end product.

Specifications Full list of technical specs

gpu

GPU brand AMD
GPU name Tahiti
Market Desktop
Clock speed 827 MHz
Turbo clock speed 933 MHz
Is dual GPU No
Reference card None

raw performance

Shading units 1,792
Texture mapping units 112
Render output processors 32
Compute units 28
Pixel rate 26.5 GPixel/s
Texture rate 92.6 GTexel/s
Floating-point performance 2,964 GFLOPS

memory

Memory clock speed 1,250 MHz
Effective memory clock speed 5,000 MHz
Memory bus 384 bit
Memory 3,072 MB
Memory type GDDR5

noise and power

TDP 200W
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