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Amlogic S905 - Quad-core ARM Cortex-A53-based SoC with a Mali-450 MP3 GPU running at 750 MHz supports hardware decoding up to 4K@60fps for multiple formats including H.265 10-bit, H.264, AVS+.
Amlogic S905X - Similar to S905 except it supports up to 4K@60fps VP9 profile-2 hardware decoding, HDR, HDMI 2.0a and having a built-in DAC.
Amlogic S905L - Similar to S905X except it supports HDMI 2.0b but lack VP9 decoding, camera interface and TS inputs.
Amlogic S905D - Similar to S905X except it supports DVB interface.
Amlogic S905W - A low cost variant of the S905X, it supports video decoding only up to 4K@30fps.
Amlogic S905Z - Similar to S905X (VP9 hardware decoding, HDR, 4K@60fps...), but no more details known about it, used in the third generation Amazon Fire TV and the Fire TV Cube.
Amlogic S912 - Octa-core ARM Cortex-A53-based SoC (Big.LITTLE configuration 4x1.5 GHz and 4x1.0 GHz) with a Mali-T820 MP3 GPU running at 600 MHz.
https://en.wikipedia.org/wiki/Amlogic
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Utgard ±â¹ÝÀÇ ³¡ÆÇ¿ÕÀ¸·Î ºÒ¸®Áö¸¸ ±¸Á¶ ÀÚü´Â Mali-400À» 2°³ ºÙÀÎ °Í°ú Å©°Ô ´Ù¸£Áö ¾Ê´Ù. ´Ù¸¸, Mali-400¿¡¼ ¹®Á¦Á¡À¸·Î ÁöÀûµÈ ¹öÅؽº ¼º´ÉÀÌ µÎ ¹è·Î Áõ°¡½ÃÄÑ ¾î´ÀÁ¤µµ ¹®Á¦¸¦ ÇØ°áÇÏ¿´´Ù. ¶ÇÇÑ Mali-400ÀÌ ÄõµåÄÚ¾î±îÁö Áö¿øÇ߱⠶§¹®¿¡ ´Ü¼øÈ÷ 2°³¸¦ ºÙÀÎ Mali-450Àº ÃÑ 8°³±îÁö Áö¿øÇÒ ¼ö ÀÖ´Ù.
¿©±â¿¡ ¾à°£ÀÇ ±â¼ú °³¼±ÀÌ ÀÌ·ç¾îÁ® ±Ç°í Ŭ·°±îÁö »ó½ÂÇÏ¿© Mali-400ÀÇ ¹öÅؽº ¼º´Éº¸´Ù ¾à 3¹è °¡´É ³ôÀº ¼º´ÉÀ» º¸¿© ÁØ´Ù. ¶ÇÇÑ ¿ø·¡ ±«¹°À̾ú´ø Çȼ¿ ¼º´ÉÀº 2013³â ´ç½Ã °í¼º´É GPU Áß ÇϳªÀÎ Ä÷ÄÄ Adreno 320º¸´Ù 2.5¹è ´õ ³ôÀº ¼º´ÉÀ» º¸¿© ÁØ´Ù.
* Âü°í·Î Adreno 320Àº Ä÷ÄÄ ½º³Àµå·¡°ï S4 Pro ¶óÀξ÷¿¡ ÃÖÃʷΠžÀçµÇ¾ú°í, ½º³Àµå·¡°ï 600¿¡¼´Â ALU ¼ö°¡ 1.5¹è ¿Ã¶ó°£ ¹öÁ¯ÀÌ Å¾ÀçµÆ´Ù°í ÇÔ.
https://namu.wiki/w/%ED%80%84%EC%BB%B4%20Adreno%20GPU#s-3.3
´Ù¸¸, Mali-400ÀÌ ¸ðüÀÎ ¸¸Å ±¸¼¼´ë µ¶¸³ ¼ÎÀÌ´õ ±¸Á¶ÀÇ GPU¶ó´Â °ÍÀº º¯ÇÏÁö ¾Ê±â ¶§¹®¿¡ Àü·Â ¼Ò¸ð ¹®Á¦¸¦ »ý°¢Çϸé ÀÌ °Íº¸´Ù´Â Â÷±âÀÛÀÎ Midgard ±â¹ÝÀÇ GPU¸¦ žÀçÇÏ´Â °ÍÀÌ Á¤½Å°Ç°¿¡ ÀÌ·Ó´Ù. ¶§¹®¿¡ ½ÇÁ¦·Î žÀçÇÒ AP°¡ ÀÖÀ»Áö´Â Àǹ®ÀÎ »óȲ. °Å±â¿¡ Open GL Áö¿ø ¿ª½Ã Mali-400À» µû¶ó 2.0±îÁö¸¸ Áö¿øÇÑ´Ù.
https://namu.wiki/w/ARM%20Mali%20GPU#s-3.1.4
http://javaslave.tistory.com/143
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http://www.ppomppu.co.kr/zboard/view.php?id=ppomppu4&no=97543
Amlogic ȨÆäÀÌÁö
http://www.amlogic.com/#Products/196/index.html
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