推荐回答(3个)
简单点说:
I3 三代工艺变成22纳米,省电,GPU部分变好点,CPU架构好了,CPU性能比二代好一点实际应用上速度区别不明显,但整体功耗低了一点。
复杂点说:
1 I3 三代采用了新的内核设计,同样主频下CPU性能比二代Sandy Bridge架构高出10%左右,但这点性能提升有限。
2 I3 三代采用了最新的22nm工艺,相比上一代SNB的32nm工艺功耗大幅降低,并且三代i3加入了对DDR3 1600内存规范的支持,而上一代SNB i3仅仅支持到DDR3 1333,遗憾的是IVB架构的亮点之一PCI-E 3.0规范,在i3上被砍掉,只有IVB架构的i5和i7才能够支持最新一代的PCI-E 3.0规范。
3 三代 i3全部采用新一代的HD2500核芯显卡,性能比上一代HD2000理论上平均提升40%,支持DX11,支持Win 8,且首次在Intel系列集显中加入了对OpenGL 1.1通用编程技术的支持,而上一代的SNB内置的HD2000则仅支持DX10,且不支持OpenGL。
4 三代i3 CPU功耗更低,但由于采用了性能更强的核显,所以TDP设计功耗并没有比二代降低太多,i3 2120的TDP为65W,而i3 3220的TDP则为55W,整体仅降低10W。
说句大实话啊
差别真心不大,就是同样的运算效率,功耗减下去了。
3217U是三代I3的低压低频版,2370m是二代的普通版。
CPU性能2370m强。由于三代的GPU有16个EU,二代的GPU只有12个EU,GPU还是新款强
但是说实话,没用的啊,你还差那么几W功率?
CPU3年以后运算效率就下降蛮多了,而且是正常损耗。我个人感觉还是老款的I3 I5好。
就是应该通电,散热。电压变低了,功耗也下去了。运算速度你认为能提升多少?
举个例子
一个车子不加油门,能开的快?你把尾气排放硬是达标了,但是车子加速变慢了,又有什么意义呢。
晕你还有显卡啊
补充下,HD4000是系列产品吧,现在流行HD6000+了 7000都出来了。
你比那个没太大意义了,就好比我现在问我的显卡9800GT要比现在的GTX 560TI差几代?
感觉根本没必要比了,直接换了就可以了。
hd4000是一个系列 hd6470是型号,比不了,而且现在hd6000以下就没什么太好的了,毕竟HD7000系列已经出了,你比这些也没用了。至于i3二代和三代看的不仅仅是主频的高低,还要看其他数据,主频不是衡量的标准。
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