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Sep 22nd, 2013

AMD Hawaii GPU has 2816 Stream Processors

More and more leaks are emerging about the new Hawaii GPU.

Hawaii GPU SpecificationsAMD Hawaii GPU

It is more or less confirmed that Hawaii will have 2816 cores. The exact configuration is:

  • 44 GCN Compute Units
  • 2816 Stream Processors
  • 176 Texture Mapping Units
  • 44 Raster Operating Units

So as you can see there are less ROPs than we thought. Sources are also saying that the GPU is around 420 mm2. The leaked review you’ve seen yesterday shows the performance with non-reference clocks. It’s worth noting that R9 290X will have a Turbo Mode. That said we believe 1020 MHz (1GHz) clock was obtained with this mode enabled. The real clock is lower (around 900 MHz). Without Turbo R9 290X will be slower than TITAN.

One other thing. The fastest Radeon R9 290X might cost $650 USD, that’s the latest information on the price (it could be $599 for reference and $649 for non-reference models).

Here are updated specs. The information about 1125 MHz clock comes from this entry (please note that parsing error did not provide any GPU specs other than clock speeds).

We did not confirm that R9 290X will use full Hawaii GPU (the table below may be incorrect).

AMD Radeon R9 290X AMD Radeon HD 7970 GHz Edition NVIDIA GeForce GTX 780 NVIDIA GeForce GTX TITAN
GPU Codename Hawaii XT Tahiti XT Kepler GK110 Kepler GK110
GPU Process 28nm 28nm 28nm 28nm
GPU Config (?) 2816 : 176 : 44 2048 : 128 : 32 2304 : 192 : 48 2688 : 224 : 48
Video Memory 4GB GDDR5 3GB GDDR5 3GB GDDR5 6GB GDDR5
Memory Bus 512-bit 384-bit 384-bit 384-bit
GPU Clock ~ 800 / 1000 MHz 1000 / 1050 MHz 863 / 900 837 / 876 MHz
Memory Clock 1125 MHz 1500 MHz 1502 MHz 1502 MHz
Effective Clock 4500 MHz 6000 MHz 6008 MHz 6008 MHz
Bandwidth 288 GB/s 288 GB/s 288 GB/s 288 GB/s
PCB VRM Phase 5+1 5+1 6+2 6+2
Power Configuration 8+6 Pin 8+6 Pin 8+6 Pin 8+6 Pin
TDP 260 W 250 W 250 W 250 W
Die Size ~420 mm2 389 mm2 551 mm2 551 mm2
Launch Price $649 $549 $649 $999

 

GPU picture source: techPowerUP