Txheej txheem cej luam ntawm tus processor Intel Core i7-870: piav qhia, nta thiab xyuas

Flagship central ua chav tsev "Cor i7 870" los ntawm lub li "Intel" ua nyob rau hauv 2009, uas txawm tam sim no yog tau tsis muaj teeb meem yuav daws tau txawm lub feem ntau complex paub tab yuav muab suav hais tias nyob rau hauv kom meej nyob rau hauv no cov ntaub ntawv uas. Yuav tau muab cov kev txawj thiab weaknesses ntawm lub semiconductor siv lead ua.

Kuv yog muaj peev xwm sawv ntawm no nti? Nws ua lag luam ya

Cov specification ntawm cov kev npaj rau lub "Cor i7 870" tseem yuav tseem tseem ceeb thiab daws tau tej teeb meem tsis muaj teeb meem, xws li cov feem ntau complex. Nyob rau hauv cov ntaub ntawv no, muaj yog tsis muaj kev yuav tsum tau nce lub moos zaus ntawm nws (xws li, "overclock" lub pob zeb ntais nti). Nws plaub ua module chiv khiav lag luam ntawm lub moos zaus ntawm ib tug heev khoom thiab ceev ceev volatile nco subsystem nyob rau hauv nws lub koom haum tsis txawv los ntawm tam sim no processors. Raws li ib tug tshwm sim, peb tau txais ib tug ntawm cov feem ntau tsim nti 2009, uas tom qab 7 xyoo los ntawm qhov pib ntawm kev muag khoom ntxiv mus yuav yam.

CPU Options

Intel ntxhais i7 870 muag nyob rau hauv ob tug sib txawv versions ntawm lub configuration. Ntau yooj yim to taub thiab siv tau ntawm lawv xws li "Treil '." Nyob rau hauv cov ntaub ntawv no, tus neeg siv tau txais cov lus qhia rau kev siv ua ke nrog lub warranty card, hom daim ntawv lo tsev neeg ntawm semiconductor daim tawv nyias thiab lub nti nws tus kheej. Qhov thib ob xaiv configuration hu ua "Box", thiab nws yog ib tug Boxed version ntawm lub hauv paus ua unit. Nws muaj xws li, nyob rau hauv tas li ntawd mus rau lub yav tas los hais yam mus rau lub yav dhau los version ntawm configuration, raws li cov Tshuag txias, cov khoom muaj npe box thiab thermal muab tshuaj txhuam.

Tus thawj variant configuration zoo suited rau computer enthusiasts thiab overclockers, leej twg yuav them taus los yuav tus siab heev cua txias system thiab li ua rau kom cov lus kawg ua tau zoo ntawm cov computer system. Tab sis lub Boxed version ntawm lub configuration zoo tshaj plaws suited rau tib yam cov neeg siv, thiab cov uas yooj yim kev kawm ntawv ntawm cov tshuaj no yog heev txaus.

ntsawb

Intel ntxhais i7 870 tau raug teem nyob rau lub installation ntawm lub siab heev tshaj plaws nyob rau hauv lub nplos 2009 lub li "Intel" rau computer nkag-qib cov kev daws - LGA1156. Thiab nws yog ib tug ntawm cov feem ntau npaum processors ntawm lub platform. Cov yooj yim txheej ntawm logic nyob rau hauv cov ntaub ntawv no tsuas muaj ib tug Southbridge - P55. Ib sab qaum teb choj tau tsiv mus rau lub nti lub cev. Ib me ntsis tom qab, muaj lwm yam chipsets rau no platform - N57 Express thiab H55 Express. Nyob rau hauv qhov tseeb, nws yog tib yam li P55, tab sis qhov sib ntxiv ntawm lub graphics subsystem. Optimally nyob rau hauv nrog cov CPU twb tau muab siv yog P55, uas yog heev txaus ntawm lub caij rau cov expansion ntawm no high-kev ua tau zoo semiconductor daws teeb meem.

txheej txheem

Core i7 central ua chav tsev 870 yog ua raws li tus txheej txheem kev cai (45 nm), uas yog nyob rau 2009 godu advanced. Nws tau dhau lawm txij thaum 7 xyoo thiab ntev txheej txheem (14 nm) siv nyob rau hauv qhuav ntawm advanced xam daws teeb meem. Txawm tias xws li ib tug loj sib txawv, qhov no high-kev ua tau zoo nti tseem yuav tseem ceeb thiab tsis muaj teeb meem yuav daws tau tej teeb meem tab txawm niaj hnub no.

cache

High CPU Core i7 870 yuav tsum tau nruab nrog peb-theem cache yog yuav tsum tau. Txwv tsis pub, nws yuav tsis muaj peev xwm mus daws tau qhov nce complexity ntawm qhov teeb meem, txawm nyob rau hauv 2009. Nyob rau hauv cov ntaub ntawv no, lub cia muaj peev xwm yuav tau ib tug zoo me me.

Raws li ib tug tshwm sim, tsim engineers tau nruab nws raws li nram no:

• Cov thawj theem rau txhua tus tseem ceeb twb xa muab faib mus rau hauv 2 qhov chaw modules 32 kb. Ib tug ntawm lawv yog tshwj xeeb nyob rau hauv lub cia ntawm cov CPU cov lus qhia, thiab lub thib ob - nyob rau cia ntawm cov ntaub ntawv. Uas yog, ib tug yuav siv computational module 64 kb nyob rau hauv tag nrho. Zoo, txij li thaum tag nrho cov xov tooj ntawm cores yog sib npaug zos rau 4, ces peb tau txais 4 * 64 = 256 kbps.

• Qhov thib ob theem tau tsis muaj xws li ib tug nruj specialization lub hom cia ntaub ntawv, tab sis twb phua ntawm ib tug neeg tsuab. Lub peev xwm ntawm txhua xam chav tsev yog sib npaug zos rau 256kb. Zoo, nyob rau hauv lub sum ntawm nws tag nrho loj yog 1 MB (4 mus rau 256 kb nucleus).

• Qhov thib peb cache theem yog tshwm sim rau tag nrho cov CPUs. Nws loj yog sib npaug zos rau 8 MB.

Random-mus saib nco

I7 CPU 870 tau raug teem nyob rau kev siv ntawm cov feem ntau nyuaj lub sij hawm ntawd xws li random nkag nco - "DDR3". Chaw tsim tshuaj paus nws tus kheej pom zoo bundled nrog no CPU siv "DDR3-1066" ib daim hlab los yog "DDR3-1333". Nyob rau hauv kev xyaum, nws twb tau mus muab ntau ceev RAM modules ntawm no zoo, tab sis lawv yuav tsis tau los ua hauj lwm sai "DDR3-1333". Qhov siab tshaj plaws nqi ntawm RAM, uas tus processor yuav raug hais los ntwm nyob rau hauv cov ntaub ntawv no yog 16 GB.

Ib qho tseem ceeb hauj nuance - kev koom ua ke ntawm dual-channel nco maub los mus rau lub semiconductor nti CPU. Qhov no kev daws teebmeem engineering tau ho nce kev kawm ntawm lub kawg computer system.

Cov kev khiav hauj lwm kub ntawm lub semiconductor nti. TDP

Qhov siab tshaj plaws permissible kub rau lub "Cor i7 870" yog sib npaug zos rau 72,7 degrees. Feem ntau, nyob rau hauv kev xyaum, qhov no meant tias lub txias system yog vim li cas yog tawm ntawm kev txiav txim. Nyob rau hauv ib txwm khiav hauj lwm hom, qhov kub ntawm lub nti yog nyob rau hauv lub chav 40-55 degrees. Yog hais tias koj overclock no flagship processor, ces cov kub tsoom fwv hloov. Nyob rau hauv no qhov teeb meem, nws yuav ua tau nyob rau hauv ntau ntawm 50 mus rau 60 degrees. Yuav kom kov yeej lub cim nqi ntawm 60 degrees yuav tsuas yuav khiav feem ntau xav tau software. Tab sis txawm nyob rau hauv xws li ib tug teeb meem no, qhov kub thiab txias tsis yog mus tshaj lub permissible txwv thiab tsis pub tshaj 70 degrees. Sov lub pob ntawm no nti yog sib npaug zos rau 95 watts.

zaus mis

Qhov no nti tau nruab nrog xws li technology raws li "Turbo Boost". Yog li ntawd, nws moos zaus hloov nyob rau hauv lub complexity ntawm qhov teeb meem yog solved, tus xov tooj ntawm active ua cov kev pab thiab cov thermal lub xeev ntawm cov CPU. Lub reference moos zaus ntawm kom tshav kub dissipation nyob rau hauv Core i7 870 - 2,93 GHz. Ua raws li nws muaj nqis - 3.2 GHz.

Nyob rau hauv cov ntaub ntawv no, ib zaug tag nrho 4 modules ua hauj lwm nyob rau hauv ob qho tib si hom. Tsuas yog nyob rau hauv thawj cov ntaub ntawv muaj ib tug txo vim overheating ntawm cov nti, los yog vim hais tias ntawm lub simplicity ntawm qhov teeb meem, thiab lub thib ob - nyob rau hauv tag nrho cov lwm yam xwm txheej uas koj yuav tsum mus txoj kev 4 cores. Cov tom ntej no muaj nqis - 3,47 GHz. Nyob rau hauv kev hloov mus rau no hom nyob rau hauv lub processor disconnects 2-laij modules. Maximum zaus nyob rau hauv cov ntaub ntawv no yog 3.6 GHz. Lub computer system ua hauj lwm xwb 1 thread.

architecture

Lub code lub npe ntawm computational units ntawm lub nti - Nehalem. Qhov no CPU nrog sai li sai tau 4 nucleus. Nyob rau hauv tas li ntawd, ib tug yus feature ntawm lub semiconductor ua ib tug series ntawm "Cor Ay7" yog los pab txhawb cov proprietary technology, code-npe hu ua "Cus Trayding", uas tso cai rau rau lub hauv paus ntawm ib tug lub cev cov tub ntxhais yuav tau txais 2 logic (ie, nyob rau qhov kev pab cuam theem). Qhov no semiconductor nti nyob rau hauv cov ntaub ntawv no yog tsis muaj exception. Raws li ib tug tshwm sim, thaum lub software theem nws tsom 8 tam sim ntawd laij threads.

Tag nrho cov no tso cai rau nws txawm tam sim no, tsis muaj ntau yam kev nyuaj kom tiv nrog tej ntaub ntawv software (ob optimized rau multi-threaded kho vajtse, los yog tsis).

acceleration

Nyob rau hauv kev tshawb xav, nws twb tau mus nqa tawm ib co siv Intel i7 870. System tsheb npav overclocking Tab sis nyob rau hauv kev xyaum lub chaw tsim tshuaj paus rau lub hom phiaj no pom zoo rau cov kev siv ntawm ib tug series ntawm tej daim "Cor Ay7 9xx", uas kuj muaj lub prefix "Black Edishon".

Nyob rau hauv cov ntaub ntawv ntawm "Cor Ay7 8xx" kev kawm theem nws yog chiv ntev, thiab tsim teeb meem loj ntxiv load rau hauv lub computer system yog nkaus tsis tsim nyog. Tam sim no qhov kev kawm ntawm cov CPU yuav raug soj ntsuam raws li txaus. Nws tso cai rau koj mus khiav tej software, uas yog nyob rau lub sij hawm ntawd.

Neeg xyuas. CPU nqi

Lub tsuas drawback, uas yuav ua tau lub processor hwm theem - qhov no yog tus nqi. Chaw tsim tshuaj paus lub pom zoo nqi yog sib npaug zos rau $ 305. Tiam sis peb yuav tsum to taub hais tias cov zoo tshaj plaws yuav tsis raug nqi ib penny. Yog li ntawd nyob rau hauv cov ntaub ntawv no - ib tug nti-rau-hnub ntau tshaj li ib lub xyoo, yuav tsum kim heev. Rau tus so, nyob rau hauv no CPU muaj tsuas zoo. Cov no muaj xws ua tau zoo, thermal tej yam kev mob thiab functionality.

Txawm tsawg kawg nkaus Intel zaus i7 870 2 93 GHz tso cai rau kev siv ntawm feem ntau ntawm cov uas twb muaj lawm software. Zoo, hais txog ib tug high-ceev hom, thiab peb yuav tsis tham - lawv ntxiv rau kom tsim tau.

tau

Kev tsis "Cor i7 870" tseem yuav yuav yam niaj hnub no. Ua txiav txim zoo heev mus yuav ib tug system unit yog tsis (muaj yog ib tug ntau muaj txiaj ntsim tshiab kev daws). Tab sis ntawm no yog ib tug txawj tej yam ntxiv ntawm cov PC, ib yam nkaus thiab pab tsis tau yus. Nws pab raws li ntev raws li txaus los siv rau yuav luag txhua ua hauj lwm.