ATI hafa staðfest að þeir verða fyrstu að gera 512 mb skjákort sem hefur nafnið R520 eða x850XT
The latest list of rumored specs for the R520 include :

24 Pipelines
700MHz Core
256-bit 512MB 1.8GHz GDDR3 Memory
57.6 GB/sec Bandwidth (at 1.8GHz)
32 Texture Units
96 Arithmetic Logic Units (ALU)
192 Shader Operations per Cycle
134.4 Billion Shader Operations per Second (at 700MHz)
300-350 Million Transistors
90nm Manufacturing
Shader Model 3.0
ATI HyperMemory
ATI Multi Rendering Technology (AMR)
Performance Improvement of 3X Over Radeon X800 XT
16x stochastic FSAA
FP32 blending, texturing

According to Rich Heye, Vice President and GM, Desktop Discrete Products, ATI,
…we are giving attendees at this event an opportunity to check out the world's first 512MB gaming cards before we send them out to our software partners for development of next-generation games.

sem var ‘the big suprise’ á overclock mótinu TGF ( Texas Gaming Festival ), búist er við að kortið komi í vor. Verðlauning á TGF mótinu koma frá ATI tröllinu, eða verðlaun frá öðrum sponserum svo sem ABIT, AMD, ArenaNet, ATARI, Corsair, Gigabyte, Kingston, LG, NCSoft, OCZ, Running with Scissors, Sapphire and UBISOFT

Féttin af Megagames