Which is the best choice, pae or x64?

[Rofail Qu]

Inter Core2 Duo E8400 CPU @ 3.00GHz

2010/9/25 Christopher Chan <christopher.chan at bradbury.edu.hk>:
> Rofail Qu wrote:
>> My PC is x86 arch and has 4GB of mem.
>> I tried,
>> $ cat /proc/cpuinfo |grep lm
>> flags         : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
>> pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe constant_tsc
>> pebs bts pni dtes64 monitor ds_cpl cid xtpr lahf_lm
>> flags         : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pat
>> pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe constant_tsc
>> pebs bts pni dtes64 monitor ds_cpl cid xtpr lahf_lm
>>
>> So, i think it support x64 as well.
>> The question is, which kernel should i choose? The pae or x64?
>> Which is the best choice? Why?
>> Thanks.
>>
>
> What cpu are you using?
>
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