Cov Ceg Txheej Tshiab thiab Cov Nimble Graphics
Kua muaj tshiab tag nrho 2015 iMac kabmob, nrog rau thawj 21.5-nti iMac nrog Retina 4K zaub . Lub 27-inch iMac lineup, li cas los xij, tau txais qhov zoo tshaj plaws ntawm cov tshiab. Plooj yog cov Non-Retina iMacs los ntawm kab 27-inch. Yog hais tias koj yuav loj, koj yuav Retina; tsawg kawg, uas zoo nkaus li ua kua Apple rau qhov teeb meem, thiab kuv yuav pom zoo.
Txij li thaum lub 27-nti iMac nrog Retina 5 K Zaub raug tso tawm, peb paub tias, ib yam li cov MacBook Pro lineup, uas khaws cov qauv tsis yog Retina rau lub sij hawm luv luv (hauv cov qauv 13-inch), nyob rau lub sijhawm ntev, Retina yog cov kev qhia Apple yuav mus hla txhua qhov chaw khoom.
Yog li, dhau li ntawm tag nrho cov Retina lineup, lub 27-nti iMac tau txais ib co tshiab tshiab uas yuav thov tau leej twg nrhiav kom nyem tawm ntau kev ua tau zoo.
27-inch Retina Cov Zaub Nrog P3 Xim Chaw
Cia peb pib nrog cov zaub. Lub 27-nti Retina zaub tseem tuaj nyob rau hauv 5K, nrog ib tug 5120 x 2880 pixel daws teeb meem. Cov zaub tseem siv ib qho IPS vaj huam sib luag, tab sis tshiab rau lub 2015 qauv yog xim loj dua DCI-P3. P3 xim qhov chaw loj dua, uas yog, nws duav tau lub xim loj dua, uas tsis yog tsuas yog xim ntxiv kom pom, tab sis ntau vibrant xim zoo li. P3 xim xim tshwj xeeb yog tib yam siv rau cov yeeb yam yeeb yam, thiab lub tshuab siv tshuab raj siv rau kev kos duab niaj hnub.
Apple's adoption ntawm P3 xim qhov chaw rau tus tshiab 27-nti iMac yog qhov tseem ceeb rau cov neeg ua hauj lwm hauv kev lag luam duab, zoo li leej twg ua hauj lwm hauv kev tsim video. Raws li lig thaum xyoo 2014, tsuas muaj ib qho P3 cov ntawv pov thawj pom muaj rau cov kws tshaj lij, thiab cov nqi ntau heev, zoo dua li ib qho kev tawm tsam iMac.
Yog li, koj yuav pom tau li cas tus iMac tshiab nrog ib P3 5K zaub yog yuav zoo nkauj heev.
Cov Txheej Txheem
Nyob rau ntawm 27-inch iMac tus kabmob, Kua twv dhau los ntawm Broadwell processors thib tsib , thiab tau mus rau cov qauv Skylake tam sim no. Lub 2015 ntawm 27-nti iMacs yog siv nrog 3.2 thiab 3.3 Quad-Core i5 processors, nrog hloov dua tshiab muaj 4.0 GHz Quad-Core i7 processors.
Cov qauv i7 raws li muaj peev xwm khiav mus txog 8 lub ntsiab lus sib npaug, feem ntau yeej ua rau kev ua tiav ntawm 8 tus ntxhais CPU.
Cov Skylake Processors tsis muab qhov kev ua tau zoo tshaj hauv cov qauv ntawm Broadwell raws qauv, tab sis txij li thaum Apple hle dhau Broadwell, Skylake processors yuav tsum tsim kom muaj kev txhim kho hauv kev ua tiav tshaj qhov 2014 iMacs uas tau siv Haswell cov kev lag luam.
Ib qho txiaj ntsig ntxiv ntawm Skylake processors yog tias lawv muaj zog ntau dua, khiav txias thaum tseem muab kev txhawb zog. Thaum koj muaj 27-inch Retina zaub loj heev, ua rau koj cov Mac txias yog qhov tseem ceeb.
Graphics
Lub 2015 27-inch iMacs siv AMD Radeon R9 GPUs hauv peb configurations: R9 M380 nrog 2 GA ntawm GDDR5 nco; R9 M390, tseem nrog 2 GB ntawm GDDR5 nco; thiab R9 M395 nrog 2 GB ntawm GDDR5 nco. Muaj kuj muaj kev xaiv rau R9 M395X nrog 4 GDDR5 nco.
Ib qho ntawm AMD GPUs yuav yooj yim tsav cov 5K zaub thiab tseem muab cov leeg pleev kom haum rau cov neeg siv feem ntau. Yog hais tias koj feem ntau siv cov iMac rau duab thiab video rendering, R9 M395X nrog lub cim xeeb loj yuav yog kev txaus siab. Tiam sis feem ntau ntawm peb, nrog rau cov neeg uas xav paub txog kev ua yeeb yam, yuav tsum nrhiav cov R9 M390 ntau tshaj li txaus.
Cia
Qhov loj dua 27-nti iMac muaj qee qhov zoo vim nws qhov kev loj me, uas ua kom txias rau sab hauv yooj yim dua li 21.5-nti iMac qauv. Ib qho ntawm cov kev zoo no yog qhov txawm tias lub hauv paus cia ua rau kev siv 1 TB 7200 RPM tsav. Cov kev sib hloov ceev dua ua rau tus qauv 1 TB tseem ceeb siv los siv rau hauv lub qauv uas siv tau rau feem ntau cov neeg siv.
Yog tias koj nce mus rau cov qauv nruab nrab los sis cov theem sab saum toj, koj yuav pom tau 1 Kab Mob TB Lub Cev los sis 2 TB Cov Kab Mob TB uas yog yam tsawg kawg nkaus. Koj tuaj yeem hloov qhov chaw cia nrog loj Fusion Drives (mus txog 3 TB), lossis hloov cov tsav nrog 256 GB, 512 GB, lossis 1 TB SSDs (nyob ntawm iMac qauv).
Ib qho kev hloov nthuav dav hauv Fusion Drive configurations yog tias qhov 1 TB version tau muaj nws cov khoom sib txuas SSD los ntawm 128 GB mus rau 24 GB. Thaum no nws tseem loj txaus los tso cai rau OS thiab ob peb yam koj nyiam cov apps kom raug khaws tseg rau ntawm SSD qeeb ntawm Fusion Drive, nws tsis pom ntau li ntau cov ntaub ntawv thiab apps li yav dhau los.
Rau cov neeg siv xws li, kuv tsis pom qhov kev hloov ua qhov tsis zoo. Nws ua tau kom txo tus nqi ntawm Fusion kev xaiv thaum tseem muab qhov kev kawm ntawm hefty cia nce. Cov neeg uas xav kom muaj txiaj ntsig zoo Fusion muaj peev xwm xaiv tau 2 Kab Mob TB los yog 3 Kab Mob TB, uas tseem ua kom siv cov loj 128 GB SSD.
Nco
Thankfully, nco tshua neeg upgradeable, uas txhais tau tias koj tau configure koj iMac nrog xwb qhov liab qab RAM tsawg tshaj (8 GB), thiab upgrade koj tus kheej nco, siv tsis kim kim thib RAM. Yog hais tias koj yuav theej tau kua ntxiv RAM rau koj, nws muaj 16 GB thiab 32 GB hloov khoom dua tshiab.
Lub 27-inch 2015 iMacs ua siv ntawm 1867 MHz DDR3 nco modules, thiab iMac muaj plaub SO-DIMM neeg siv tau nco slots (ob yog pre-populated rau lub 8 GB configuration).
Connectivity
Lub iMac khaws cov kev txuas tib yam li cov qauv 2014. Koj yuav pom ib lub mloog pob ntseg, SDXC daim npav , plaub USB 3 ports , ob Thunderbolt 2 ports , thiab ib leeg Gigabit Ethernet Jack.
Wireless connectivity muaj 802.11ac, WI-nkaus, thiab Bluetooth 4.0.
| iMac Base | iMac Medium | iMac High-End | |
|---|---|---|---|
| Qauv # | MK462LL / A | MK472LL / A | MK482LL / A |
| Processor | 3.2 GHz Quad-Core i5 | 3.2 GHz Quad-Core i5 | 3.3 GHz Quad-Core i5 |
| RAM | 8 GB | 8 GB | 8 GB |
| Cia | 1 Kab mob TB heev | 1 Kab Mob Ntshav TB | 2 Kab Mob Ntshav TB |
| Graphics | AMD Radeon R9 M380 | AMD Radeon R9 M390 | AMD Radeon R9 M395 |
| Zaub | Retina 5K 5120 x 2880 P3 | Retina 5K 5120 x 2880 P3 | Retina 5K 5120 x 2880 P3 |
| Nqe | $ 1,799.00 | $ 1,999.00 | $ 2,299.00 |
| Hloov tshiab | |||
| 16 GB RAM + $ 200 | 16 GB RAM + $ 200 | 16 GB RAM + $ 200 | |
| 32 GB RAM + $ 600 | 32 GB RAM + $ 600 | 32 GB RAM + $ 600 | |
| 1 Kab Mob Ntshav TB $ + 100 | 2 TB Fusion Drive + $ 200 | 3 TB Fusion Drive + $ 100 | |
| 2 TB Fusion Drive + $ 300 | 3 TB Fusion Drive + $ 300 | 256 GB Cia Cia tsis tau them nqi * | |
| 3 TB Fusion Drive + $ 400 | 256 GB Flash Cia + $ 100 | 512 GB Flash Cia + $ 200 | |
| 256 GB nyem cia + $ 200 | 512 GB Flash Storage + $ 400 | 1 TB Flash Cia +700 | |
| 512 GB Flash Cia + $ 500 | 1 TB Flash Cia +900 | ||
| 4.0 GHz Quad-Core I7 + $ 300 | 4.0 GHz Quad-Core I7 + $ 250 | ||
| AMD Radeon R9 M395X + $ 250 |
* 256 GB Flash Drive upgrade yog nyob rau ntawm 2 TB Fusion Drive
Cov lus pom zoo
Lub hauv paus qauv ntawm lub xyoo 2015 Retina iMac muaj tus nqi txaus nyiam, thiab tsis zoo li lub 21.5-nti iMac puag, siv ceev ceev (7,200) RPM tsav, thiab tsis qeeb qeeb (5,400 RPM) tsav tsheb feem ntau siv hauv cov laptops.
Lub AMD Radeon R9 M380 tsis muaj tag nrho cov kev ua tau zoo ntawm M390 los yog M395X muaj nyob rau hauv lwm yam configurations, tab sis nws muaj peev xwm heev ntawm tsav lub iMac Retina zaub, zoo li lwm lwm 4K zaub koj yuav nqai tuaj.
Yog tias koj tuaj yeem viav voos tau nyiaj ntxiv, tsuas yog qhov hloov tshiab xwb kuv xav kom lub hauv paus iMac puag yog tus 1 TB Fusion Drive.
Yog tias koj tab tom nrhiav me ntsis kev ua tau zoo dua, kuv qhov kev pom zoo yog siv nyiaj ntawm i7 processor upgrade, nce nyiaj hyper-threading uas pub rau 8 threads khiav ze li ib txhij.
Raws li cov duab, Kuv tuaj yeem tsis hloov R9 M395X upgrade tshwj tsis yog tias koj muaj ib daim ntawv thov tshwj xeeb uas tuaj yeem siv cov GPU lub cim ntxiv onboard.
Luam tawm: 10/13/2015
Kho tshiab: 11/21/2015