AMD's Official HD7800 Series specs sheet got leaked yesterday, Now we have complete set of official slides which unveil the Gaming Performance Figures, Additional Specifications and the complete list of HD7870Ghz Edition (Pitcairn XT) and HD7850 (Pitcairn Pro) GPU's we would be seeing from variousmanufacturers during launch this month.

The Performance slides Pit the HD7870 Ghz Edition (1Ghz Core clock) against the GeForce GTX570 in various gaming benchmarks at 2560x1600 Resolution. Games include titles such as Battlefield 3, Batman: Arkham City, Skyrim, Shogun 2, Metro 2033, Crysis Warheard etc.

The card delivers an 1.4x average performance gain over the the GeForce GTX570. There's also a benifit from the higher memory buffer of 2GB on the HD7870 while the GTX570 only holds 1.25GB of VRAM.

Radeon HD7850 which comes at a Core clock of 860Mhz and compared to the GeForce GTX560TI in the same games at same resolution. The card provides a 1.25x times average performance gain over GTX560Ti. Specifications of the cards are listed below:

(Complete Specs Here)

AMD Radeon HD 7870

1280 Stream ProcessorsCode Name: Pitcairn XT2GB GDDR5 Memory BufferRelease Date: March 2012TDP: 175WPrice: 299 $

AMD Radeon HD 7850

1024 Stream ProcessorsCode Name: Pitcairn Pro2GB GDDR5 Frame BufferRelease Date: February 2012TDP: 130WPrice: 249 $

The charts also list the GPU's we would be seeing from different manufactures, Listed below:

MSI R7870 Twin Frozr IIIASUS HD7870 Direct CUIIGigabyte 7870 WindForce 3xPowerColor HD7870 Ghz EditionXFX HD7870 Double DissipationSapphire HD7870 Twin Pipe coolerHIS HD7870 ICEQ XClub Radeon HD7870

ASUS HD7850 Direct CUIIMSI R7850 Twin Frozr IIIGigabyte HD7850 WindForceHIS HD7850 ICEQSapphire HD7850Club HD7850PowerColor HD7850

In addition to the performance slide figures, Hermitage Akihabra has exposed the first 3DMark 11 Numbers of both GPU's, Following are the details:

3DMark 11 (Performance Preset):

Radeon HD7870 Ghz Edition: 6571 3D MarksRadeon HD7850 : 5532 3D MarksGeForce GTX570 : 5749 3D Marks

3DMark 11 (Extreme Preset):

Radeon HD7870 Ghz Edition: 2059 3D MarksRadeon HD7850 : 1653 3D MarksGeForce GTX570 : 1837 3D Marks

You can check out an FPScomparisonin Skyrim and Battlefield 3 in the pics below: