Yog tias koj tab tom nrhiav lub iPad siv, koj muaj peb txoj kev xaiv: iPad 4, iPad 3, thiab iPad 2. Txawm hais tias qhov kev tso tawm ntawm iPad tiam thib rau, Apple tseem tsim thiab txhawb nqa lub iPad 2 ua ib qho pheej yig dua nkag-theem qauv. Lub iPad 3 sawv cev rau qhov kev hloov kho loj tshaj plaws rau iPad txij li thaum Apple tau nthuav tawm thawj tus qauv hauv xyoo 2010, nrog lub processor ceev dua thiab cov ntsiab lus tshiab (HD) ua rau cov npe ntawm kev txhim kho dua iPad 2. Lub iPad 4 coj cov kev txhim kho no mus ntxiv. los ntawm supercharge lub processor. Tab sis, tus qauv twg yog qhov zoo tshaj rau koj?
Kab lus no piv cov qauv iPad qub. Kawm paub ntxiv txog cov qauv iPad tshiab kawg.
Kev Tshawb Nrhiav Txhua Yam
| iPad 2 | iPad 3 | iPad 4 |
| Siri isn't available | Siri is available | Siri is available |
| Dual-core Apple A5 processor | Dual-core Apple A5X processor | Dual-core Apple A6X processor |
| 512 megabytes (MB) ntawm RAM | 1 gigabyte (GB) ntawm RAM | 1 GB ntawm RAM |
| 512 MB ntawm kev cia | 1 GB ntawm cia | 1 GB ntawm cia |
| Lub koob yees duab pem hauv ntej thiab 720p rear-facing lub koob yees duab | 720p lub koob yees duab pem hauv ntej thiab iSight 5 megapixel rear-facing lub koob yees duab | 720p lub koob yees duab pem hauv ntej thiab iSight 5 megapixel rear-facing lub koob yees duab |
| Txhawb iOS mus txog version 9.3.5 | Txhawb iOS mus txog version 9.3.5 | Txhawb iOS mus txog version 10.3.3 |
Ib piv nrog iPad 4 yuav raug nqi ntau dua iPad 2. Lub iPad 3 tej zaum yuav raug nqi tsawg dua iPad 4, tab sis nws yuav nyuaj rau nrhiav tau thaum Apple hloov mus rau tus qauv tshiab. Yog tias koj tab tom nrhiav kom txuag tau ob peb bucks, paub tias koj yuav siv cov ntsiav tshuaj li cas yuav pab koj txiav txim siab seb tus qauv twg haum rau koj xav tau.
Display: iPad 3 thiab iPad 4 Shine
| iPad 2 | iPad 3 | iPad 4 |
| 1024 x 768 zaub | 2048 x 1536 zaub | 2048 x 1536 zaub |
| Tsis muaj Retina zaub | Retina zaub | Retina zaub |
| 720p video | 1080p video | 1080p video |
Thawj yam uas sawv tawm ntawm iPad 3 thiab iPad 4 yog qhov kho kom zoo dua Retina zaub, uas nta 4 npaug ntawm qhov nthuav dav ntawm thawj iPad thiab iPad 2. Qhov 2048 x 1536 daws teeb meem muab 264 pixels ib nti, uas yog cov ncauj lus kom ntxaws uas tib neeg lub qhov muag tsis tuaj yeem qhia ib tus neeg pixels sib nrug thaum lub cuab yeej tuav ntawm qhov pom kev deb. Cov zaub enhanced kuj txhais tau hais tias kev txhawb nqa rau 1080p video, uas yog ib tug zoo txawj tej yam ntxiv los ntawm lub iPad 2. Koj muaj peev xwm download tau HD tsos ntawm iTunes; Txawm hais tias koj tuaj yeem saib HD video los ntawm Netflix, Hulu, thiab lwm yam kev pabcuam streaming nyob ntawm lub operating system version ntawm iPad.
Siri: Koj nyob ntawm Koj Tus Kheej Nrog iPad 2
| iPad 2 | iPad 3 | iPad 4 |
| No Siri | Siri | Siri |
Apple's intelligent assistant technology tsuas muaj nyob rau ntawm iPad 3 thiab tom qab xwb. Tej zaum koj yuav raug ntxias kom tso tseg cov yam ntxwv no ua ib yam dab tsi tseem ceeb ntawm lub xov tooj smartphone dua li ntawm lub ntsiav tshuaj, tab sis Siri muab ntau yam zoo nkauj. Sab saum toj ntawm cov nta ntxiv no yog lub suab hais lus, uas yog qhov zoo yog tias koj xav sau email ntev tab sis tsis muaj cov keyboard wireless. Cov yam ntxwv zoo li yooj yim teeb tsa kev ceeb toom lossis tso cov xwm txheej hauv koj daim ntawv qhia hnub yog qhov zoo, thiab.
Gaming: Retina Zaub Txhua Txoj Kev
| iPad 2 | iPad 3 | iPad 4 |
| Standard zaub (1024 x 768) | Retina zaub (2048 x 1536) | Retina zaub (2048 x 1536) |
| Dual-core A5 processor | Dual-core A5X processor | Dual-core A6X processor |
| PowerVR SGX543MP2 daim duab kos | PowerVR SGX543MP4 daim duab kos | PowerVR SGX543MP4 daim duab kos |
Ntxiv rau cov apps zoo nkauj thiab 1080p video, cov qauv Retina zaub nrog iPad 3 thiab iPad 4 muab cov duab uas tuaj yeem sib tw yam koj pom ntawm Xbox 360 thiab PlayStation 3. Lub iPad 3 ntxiv cov duab plaub-ntxhais processor. rau iPad 2 processor, yog li nws tuaj yeem xa cov duab no ntawm tus nqi nce ntxiv. Nrog iPad 3 thiab iPad 4, koj tsis yog saib cov duab zoo nkauj xwb, koj nyob hauv lub ntiaj teb tshiab zoo kawg.
Kev ua si thiab cov ntawv thov yuav txuas ntxiv txhawb cov kev daws teeb meem ntawm thawj iPad thiab iPad 2. Thiab txawm hais tias iPad 2 tsis txhawb nqa 1080p video, video tseem zoo li zoo ntawm lub cuab yeej, thiab cov ntsiav tshuaj txhawb 720p playback thaum txuas nrog koj HDTV.
Cov kev ua si rau cov khoom siv no yuav tsis zoo li qhov tob li qhov koj pom ntawm cov kev ua si puv ntoob, uas feem ntau muab 7 GB rau ib qho kev ua si, tab sis lub peev xwm los tsim cov kev ua si nyuaj loj hlob nrog txhua qhov tshiab. tiam ntawm Apple ntsiav tshuaj.
Kev Ua Haujlwm: iPad 4 Tau Txais Tus Nqi Zog
| iPad 2 | iPad 3 | iPad 4 |
| Dual-core A5 processor | Dual-core A5X processor | Dual-core A6X processor |
| PowerVR SGX543MP2 daim duab kos | PowerVR SGX543MP4 daim duab kos | PowerVR SGX543MP4 daim duab kos |
| Lub koob yees duab pem hauv ntej, nrog lub koob yees duab rov qab muaj peev xwm ntawm 720p video | 720p lub koob yees duab pem hauv ntej, nrog iSight 5 megapixel rear-facing lub koob yees duab | 720p lub koob yees duab pem hauv ntej, nrog iSight 5 megapixel rear-facing lub koob yees duab |
Apple rub lub stunner thaum nws tshaj tawm lub iPad 4 ntawm iPad Mini kev tshwm sim xyoo 2012, tab sis nyob rau hauv ntau yam, lub iPad 4 yog lub iPad 3, tab sis sai dua. Plaub tiam iPad cranks nce kev ceev nrog lub tshiab A6X nti, uas yog kwv yees li ob zaug sai npaum li nws ua ntej. Nws kuj suav nrog lub koob yees duab pem hauv ntej zoo dua thiab kev txhawb nqa rau ob-band channel sib txuas Wi-nkaus, uas tuaj yeem ua rau kev sib txuas ceev hauv tsev. Tsis tas li ntawd, Apple txuas ntxiv 4G LTE kev txhawb nqa rau cov cheeb tsam thoob ntiaj teb.
Kev Txiav Txim Kawg: iPad 3
Qhov kev yuav zoo tshaj plaws tam sim no yuav yog lub iPad 3 refurbished. Koj tuaj yeem yuav 16 GB Wi-Fi version ntawm tus nqi tsim nyog yog tias koj mus ncig.
Yog tias koj tsis mloog cov zaub me me, koj kuj tseem xav saib rau hauv iPad Mini. Nws muaj 7.9-nti zaub ntau dua li 9.7-nti zaub ntawm iPad, tab sis nws tseem muaj zog npaum li iPad 2, muaj lub koob yees duab zoo dua, txhawb nqa Siri, thiab raug nqi tsawg dua.
