推荐回答(1个)
关于PS4和ps3的区别的疑问,下面将做详细的解答。PS4共拥有8GB GDDR5内存,这些内存将同时提供能CPU和GPU进行调用,在减少数据延迟的同时还具备176GBps的数据存取带宽。而据国外技术人员测定,PS4中每个模块都具备48GBps的数据存取带宽和64位内存总线。
而PS3则采用了传统的内存+专用显存的设计方案,其拥有256MB XDR主内存和256MB GDDR3独立显存,这就意味着数据在Cell CPU和RSX GPU之间进行传输时会经过更多的步骤。
PS4和ps3的区别
经过测定,Cell CPU对主内存的数据读取和写入带宽分别为16.8GBps和24.9GBps,两项数值都低于XDR主内存25.6GBps的设计数据存储带宽。而RSX GPU显存的数据带宽则同为22.4GBps。因此,如果PS4的数据存取带宽真的能够达到设计值的话,其性能够达到PS3的7.05倍到16.6倍。
同时,由于PS4采用了CPU和GPU共用8GB GDDR5内存的设计,因此硬要将其与PS3进行对比的话,那么就可以简单的认为PS4的主内存容量和显存容量都是PS3的32倍,而即使在CPU和GPU将8GB内存进行五五分成的情况下,那么PS4也要比PS3拥有更多的内存来运行游戏,更何况索尼并没有严格限制CPU和GPU对于内存的使用上限,因此这将为开发人员提供更加自由的设计空间来充分发挥PS4的硬件性能。
而PS3虽然当Cell处理器和RSX GPU互相从对方的内存中读取和写入数据时,后者可以很轻松获得15.5GBps的读取带宽和10.6GBps的写入带宽,但是这两项数据在Cell CPU身上却出现了大幅的下降,其从RSX图形芯片显存中读取和写入数据的带宽仅为16MBps和4GBps。
由此看来,如果单从内存性能方面来看,PS4显然要强出PS3不少,但一体式内存/显存的全新设计也对APU的内存智能管理能力提出了更高的要求。
PS4和ps3哪个好
PS4的外形设计算不上突破,但可以称得上是有型,305*275 *53毫米的三围尺寸比最初款式的PS3要稍小一些,重量也要更轻,可以保证的是,在未来几年内,肯定会有新的轻薄款出现。
PS4倾斜的前面板拥有较多设计,包括一个嵌入式的蓝光光驱(支持6速蓝光读取、8速DVD读取),还可以看到两个USB接口,可以为手柄和其他设备充电。机身背面设计了HDMI接口、以太网接口和PS相机配件的辅助电缆,无线方面则支持802.11 b/g/n(并非最先进的ac)以及蓝牙2.1。
PS4和ps3哪个好
PS3独特架构的“Cell”处理器吓跑了很多游戏开发商,其游戏开发成本也要远远高于同时期的Xbox 360,而PS4选择了主流的X86架构、8核心AMD“Jaguar”处理器以及Radeon显卡,这种硬件设计与高端个人电脑非常相似,所以为PS4开发游戏基本上不存在什么障碍了。另外,索尼为了让PS4在机能方面更胜一筹,还是下足了血本,使用了昂贵的GDDR5内存标准,这方面要领先于Xbox One的GDDR3。
针对PS4和ps3的区别的问题,大多数情况下,PS4都能够安静地运行,机身温度虽然稍有温暖,但不至于过热。另外,现在可以选择将所有的游戏数据从光盘中安装到硬盘上,所以光驱的噪音基本上可以忽略了。
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