AMD´Â ÃÖ±Ù SIGGRAPH 2014¸¦ ÅëÇØ ÀÚ»çÀÇ Àü¹®°¡¿ë ±×·¡ÇÈÄ«µåÀÎ ÆÄÀ̾îÇÁ·Î (FirePro) W ½Ã¸®Áî Á¦Ç°±ºÀ» ¹ßÇ¥ÇÑ °¡¿îµ¥ ¿©±â¿¡´Â µ¥½ºÅ©Å¾¿ëÀ¸·Î ¸Æ½ºÀ£ (Maxwell)¿¡ ´ëÀÀÇÏ´Â ÄÚµå¸í Tonga GPU¸¦ žÀçÇÑ Á¦Ç°µµ Æ÷ÇÔµÈ °ÍÀ¸·Î ¾Ë·ÁÁ³´Ù.
¼Ò½ÄÀ» ÀüÇÑ videocardz´Â hardware.frÀ» ÀοëÇØ AMD°¡ ¹ßÇ¥ÇÑ ÆÄÀ̾îÇÁ·Î W ½Ã¸®Áî Áß ÆÄÀ̾îÇÁ·Î W7100ÀÌ Tonga GPU¸¦ žÀçÇß´Ù°í ÀüÇß´Ù.
ÆÄÀ̾îÇÁ·Î W7100ÀÇ ºí·Ï ´ÙÀ̾î±×·¥µµ °ø°³µÇ¾ú´Âµ¥ ±×¿¡ µû¸£¸é GCN (Graphics Core Next) 1.1 ±â¹Ý ÇÏ¿ÍÀÌ (Hawaii)ÀÇ 44 CU (Compute Units), GCN 1.0 ±â¹Ý ŸÈ÷Ƽ (Tahiti)ÀÇ 32 CU ±¸¼ºÀÌ ¾Æ´Ñ 28 CU·Î ±¸¼ºµÇ¸ç ŸÈ÷Ƽ ÇÁ·Î (Tahiti Pro)¿Í °°ÀÌ 1792SP¸¦ Á¦°øÇÑ´Ù°í ÀüÇß´Ù.
28 CU ±¸¼ºÀº Tonga Pro·Î 4 CU°¡ Á¦¿ÜµÈ °ÍÀÌÁö¸¸ Ç®½ºÆåÀÎ 32 CU ±â¹ÝÀÇ Tonga XT, ¶óµ¥¿Â R9 285XÀÇ µîÀåµµ Á¶¸¸°£ ÀÌ·ç¾îÁú °ÍÀ¸·Î ¿¹»óÇßÀ¸¸ç ±âÁ¸ Ãâ½ÃµÈ GPU¿Í Tonga GPUÀÇ Áö¿ø Á¤º¸µµ Ãß°¡·Î °ø°³Çß´Ù.
- Oland : GCN 1.0, 6 CU, 1 triangle per cycle, 8 ROP, L2 256 KB, 128 bits
- Cape Verde : GCN 1.0, 10 CU, 1 triangle per cycle, 16 ROP, L2 512 KB, 128 bits
- Bonaire : GCN 1.1, 14 CU, 2 triangles per cycle, 16 ROP, L2 512 KB, 128 bits
- Pitcairn : GCN 1.0, 20 CU, 2 triangles per cycle, 32 ROP, L2 512 KB, 256 bits
- Tonga : GCN 1.1, 28 or 32 CU, 4 triangles per cycle, 32 ROP, L2 512 or 1024 KB, 256 bits
- Tahiti : GCN 1.0, 32 CU, 2 triangles per cycle, 32 ROP, L2 768 KB, 384 bits
- Hawaii : GCN 1.1, 44 CU, 4 triangles per cycle, 64 ROP, L2 1024 KB, 512 bits
°ø°³µÈ ³»¿ë¿¡ µû¸£¸é Tonga´Â GCN 1.1 ¾ÆÅ°ÅØó ±â¹ÝÀ¸·Î Primitive ó¸® Áõ°¡, ´õ Ä¿Áø L2 ij½¬, 256bit, TrueAudio¿Í XDMA CrossFire¸¦ Áö¿øÇÒ °ÍÀ¸·Î ¾Ë·ÁÁ³´Ù.
ÇÑÆí Tonga GPU´Â AMD°¡ ¸Æ½ºÀ£¿¡ ´ëÀÀÇØ Àü·Â È¿À²À» ³ôÀÎ GPU·Î ÃÖ±Ù AMD AIB ÆÄÆ®³Ê»çÀÇ µ¥½ºÅ©Å¾¿ë ±×·¡ÇÈÄ«µåÀÎ ¶óµ¥¿Â R9 285°¡ °ø°³µÈ ¹Ù ÀÖ´Ù.