The X1600 and X1300 Series

The X1600 Series

The X1600 series is what ATI calls the ‘ultimate bang for the buck’ cards and fit in the mainstream gaming market. 

ATI R520: Radeon X1800, X1600 and X1300 Review - Graphics Cards 197

Here you can see that the X1600 cards are a slightly toned down version of the R520 architecture in order to save die space, and thus cost and offer these cards at a lower price point.  The X1600 cards feature:

  • 12 pixel pipes
  • 8 vertex pipes (*researching, see notes below)
  • 4 texture units
  • 4 ROPs
  • 8 Zcompare units
  • 128 max threads

Some of these specs are a considerable drop, including the 4 ROPs down from 16 on the X1800 series. 

The X1600 will also come in two flavors, the XT and the Pro. 

  • X1600 XT
  • 590 MHz core clock
  • 690 MHz memory clock
  • 2.36 Gpixels/sec peak pixel fillrate
  • 1,180 Mvertices/s peak throughput (*researching)
  • 128-bit memory interface
  • 128 MB / 256 MB
  • $199 / $249 expected price point

 

  • X1600 Pro
  • 500 MHz core clock
  • 440 MHz memory clock
  • 2.0 Gpixels/sec peak pixel fillrate
  • 1,000 Mvertices/s peak throughput (*researching)
  • 128-bit memory interface
  • 128 MB / 256 MB
  • $149 / $199 expected price point

ATI R520: Radeon X1800, X1600 and X1300 Review - Graphics Cards 198

The review sample we received for this family of cards was the X1600 XT model. 

ATI R520: Radeon X1800, X1600 and X1300 Review - Graphics Cards 199

The die on the X1600 XT is significantly smaller than that of the X1800 series of cards giving ATI better yields and higher profits on this particular part. 

Availability of BOTH X1600 cards is not expected until the end of November, nearly two full months from now.  This is very disappointing and I would certainly hope that ATI can move this date forward!

*Note: ATI’s documentation contradicts itself in how many vertex pipes the X1600 series of cards actually has.  While in our editor’s day notes we were told 5, the reviewers guide and bandwidth numbers shown to me later indicate it is in fact 8 vertex pipes.  We’ll get the information straight from ATI ASAP.

The X1300 Series

The X1300 is ATI’s next generation part for the budget gamer.  These cards offer all the same features as the higher end cards, but with fewer pipes and lower clocks and a much lower price to go along with it. 

ATI R520: Radeon X1800, X1600 and X1300 Review - Graphics Cards 200

  • 4 pixel pipes
  • 4 vertex pipes (*researching, see notes below)
  • 4 texture units
  • 4 ROPs
  • 4 Zcompare units
  • 128 max threads

These are of course the lowest specs we have seen on the X1000 family of cards as we are at the bottom most performance level and the lowest cost as well.   

The X1300 will come in three flavors, the Pro, Vanilla and HyperMemory. 

  • X1300 Pro
  • 600 MHz core clock
  • 400 MHz memory clock
  • 2.4 Gpixels/sec peak pixel fillrate
  • 600 Mvertices/s peak throughput (*researching)
  • 128-bit memory interface
  • 256 MB
  • $149 expected price point

 

  • X1300
  • 450 MHz core clock
  • 250 MHz memory clock
  • 1.8 Gpixels/sec peak pixel fillrate
  • 450 Mvertices/s peak throughput (*researching)
  • 128-bit memory interface
  • 128 MB / 256 MB
  • $99 / $129 expected price point

 

  • X1300 HyperMemory
  • 450 MHz core clock
  • 500 MHz memory clock
  • 1.8 Gpixels/sec peak pixel fillrate
  • 450 Mvertices/s peak throughput (*researching)
  • 128-bit memory interface
  • 32 MB / 128 MB HyperMemory
  • $99 / $129 expected price point

ATI R520: Radeon X1800, X1600 and X1300 Review - Graphics Cards 201

I brought back the X1300 Pro card for review.   

ATI R520: Radeon X1800, X1600 and X1300 Review - Graphics Cards 202

The smallest of the dies of the family, the X1300 core is a mere fraction of the X1800 core and the performance and price is evidence of this change.   

Both the X1300 and X1300 Pro are expected to have volume shipment at launch, while there is no mention of the HyperMemory part. 

*Note: ATI’s documentation contradicts itself in how many vertex pipes the X1300 series of cards actually has.  While in our editor’s day notes we were told 2, the reviewers guide and bandwidth numbers shown to me later indicate it is in fact 4 vertex pipes.  We’ll get the information straight from ATI ASAP.

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