第三千四百五二章 流片与修改
顶点小说(dingdian666.com)更新快,无弹窗!
大修改那就是从a0到b0这样的。而有的cpu那都是c1或者什么c2版本的,甚至还有cpu的步进版本都是到了e几的!
所以从这么一个角度来说,这流片是绝对有必要的!台积电那流片出来也是相当的,总共也就是一个礼拜的功夫,这呆湾人就流片成功了。贾鸿渐他们这边拿到了英威达流片成功的芯片之后,当然立刻就开始进行测试了。首先来说,英威达的这么一个芯片,性能真心不错!像是老黄宣传什么最高支持一千万像素的摄像头啊,以及拍下来640x480分辨率的录像能够达到30帧啊,这些硬数据还真是轻轻松松的就达到了。而软数据方面呢,不得不说还是稍微有点水。这么一个芯片来说频率其实就是350mhz,所以其实跟现在的入门级独显比起来还稍微差那么一点点。虽然从之前的宣传的各种数据来说,好像这么一个芯片真的挺敌的,但是要说起来同样版本芯片出产的台式机独立显卡和笔记本上的独立显卡那性能都能差的挺大的呢!不用说英威达这显卡芯片还是专门做的低电压低功率版本了!
虽然说是性能有点水,不过水的并不多,大概也就是20的样子。这么一个显卡如果放到了主板上的话,在4w-5w的这么一个功耗之下,那看看dvd什么的还是可以的,玩玩小游戏什么的,这功耗甚至可以低到只有2-3瓦的水平!这也就意味着如果cpu和这gpu合起来的话,加上屏幕一起看dvd分辨率的视频,怎么都能看个3-4个小时。这么一个水平可是有点赶上了历史上的安卓平板了!很多历史上的安卓平板再用久了之后,真还就是这么一个水平!从这么一个功耗的角度来说,贾鸿渐还真觉得这gpu不错!
可以说现在这么一个平板项目成不成,就是看看威盛的c7m修改的怎么样了,如果他们修改的好的话,那这么一个平板估计还是可以在年内做出来的!很,这威盛的人修改他们的芯片那也修改的差不多了,接着再去流片,然后这芯片就又送到了华夏高科来了。这回再一测试,就发现这cpu各项指标都很不错了!在限制到了800mhz之后,那功耗进一步下降,整体工作平均功耗已经降低到了4瓦的水平,虽然距离之前期望的3瓦还是有点差距,不过4w的水平也挺不错了,加上gpu典型功耗5瓦的话,这两者加起来是9瓦。而屏幕呢,如果算10寸屏幕的话,哪怕做成led屏幕,基本上普遍功耗是在2-3瓦的样子。这加起来也就是11瓦到12瓦的水平,也就是说基本上装上三块一共12000毫安时的电池,如果用来看dvd水平的视频的话,可以看四个小时。
这么一个数据还算是可以接受吧?就算是玩游戏什么的,连续玩4个小时,这也绝对够意思了吧?而且别忘了这才是2006年,用的各种芯片生产工艺还是90纳米的呢!工艺级别越高,纳米的数量越小,这实际上就越省电啊!搞不好过个5年,随随便便用28纳米的技术生产,就可以让cpu保持在最高功率3w呢!可是现在毕竟做不到这么一点。而且咱们这产品如果真是开天辟地头一个的话,人家消费者也没处对比去啊,人家也不知道这四个小时的长度是长是短,至少看起来比笔记本长,不是么?笔记本可没办法跟咱平板一样保持待机状态来个8-10小时的,对吧?咱们待机的时候一按电源键随时还可以开呢!
觉得cpu可以接受,gpu也可以接受,那贾鸿渐这就开始跟两边谈价钱了。虽然双方都有合作关系,但是不管怎么说还是独立的公司,价钱还是要谈的。不过价钱这么一个事儿问出来了之后,倒是让贾鸿渐颇为惊讶。cpu要1500块钱左右,而gpu呢也要1200块钱……也就是说光这俩加起来就要2700了?r1152
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