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高通CPU型号小结  

2011-01-28 16:47:39|  分类: 默认分类 |  标签: |举报 |字号 订阅

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    简单的说,7xyy中的x,2是GSM/WCDMA,5是CDMA,6是俩都支持的。
  
  yy是20的,就是那个使用了n多年的垃圾货,用在HERO/G1/Sapphire等一系列机器上。
  
  yy是27的,有所改进,但从ARM架构上来讲,是和20在印象里是一代的。
  
  yy是30的,是比8x50还新一代的芯片,用的Adreno 205作为GPU,比1Ghz的8x50要强(但频率稍低);8x50就是NexusOne的兄弟们。
  
  8x55和8x50a是和7x30差不多的产品。
  
  8x60则GPU是更强的220。(A8双核)
  
  8x7x将是A9的产品(A9双核)
  
  下面转载内容的原文地址:http://smartphonebenchmarks.com/forum/index.php?/topic/100-msm7x30-msm7230-msm7630-msm8x55-msm8255-msm8655-and-qsd8x50a-qsd8250a-qsd8650a-are-qualcomms-2nd-gen-snapdragon-processors-how-fast-are-they/
  
  Snapdragon is a family of mobile processors by Qualcomm. Currently, all Snapdragon processors are based on ARM Cortex A8 design.
  
  There are currently 3 generations of Snapdragon processors:
  
  1st generation
  
  QSD8x50 - this is the most common Snapdragon processor by far. It runs at 1GHz, and features Adreno 200 GPU. Although considered fast when it was first introduced, now it has been exceeded by many other 1GHz processors. Adreno 200 GPU is especially uncompetitive when you compare it against the competitors with the similar Cortex A8 design. QSD8x50 is manufactured using 65nm manufacturing technology, which once again is uncompetitive by today's standard for high-end processors.
  
  The phones that use this processor includes HTC Nexus One, Verizon's Droid Incredible, HTC Desire, HTC Evo, Dell Streak and others.
  
  2nd generation
  
  MSM7x30, MSM8x55 and QSD8x50A - all 3 variations share the same design, differs only by the clock speeds. These 3 variations run at 800MHz, 1.0GHz and 1.3GHz respectively. Each of these features Adreno 205 GPU which runs at significantly higher performance level than Adreno 200 found in the 1st generation Snapdragon processor.
  
  MSM7x30 is used by T-Mobile's HTC G2, HTC Desire Z and Verizon's HTC Lexikon/HTC Merge. MSM8x55 is used by T-Mobile's HTC myTouch HD and HTC Desire HD.QSD8x50A is rumored to be used by HTC Mondrian which will feature Windows Phone 7 OS.
  
  All 2nd generation processors are manufactured using 45nm technology.
  
  3rd generation
  
  The 3rd generation line-up is a bit more interesting. Both are based on 45nm manufacturing and features the same Adreno 220 GPU but the similarity ends there.
  
  MSM8x60 - this processor uses the same Cortex A8 design as the 1st and 2nd generation processors. But with the help of Adreno 220 GPU, graphics operations are expected to be MUCH faster. (For more details on MSM8x60, read this article).
  
  QSD8x72 - this processor is based on Cortex A9 design! Cortext A9 is superior to Cortex A8 design and is expected to outperform all Cortex A8 based processors by a significant margin. GPU power should be equivalent to MSM8x60 however.
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