Qualcomm Adreno 305: nta, kev kawm ntawv, kev txheeb xyuas

Yuav ua li cas yog ib tug Qualcomm Adreno 305, ob peb paub. Thiab txawm tias cov neeg uas muaj ib co clue dab tsi no tshaj plaws yog, tsis yeej ib txwm to taub dab tsi nws yog rau. Los ntawm lub caij nyob rau hauv peb lub neej tawg mus rau hauv ntse tes, yuav tsum tau sai sai nrhiav txoj kev los tsim ib tug txo system. Yog li ntawd, yog cov mobile processors thiab me me graphics accelerators.

Yuav ua li cas yog nws?

Yog li, ib tug graphics processor, uas tsis yog tsuas yog nyob rau hauv lub PC, tiam sis tseem "zaum" nyob rau hauv peb mobile pab kiag li lawm, copes nrog cov kawm kev sib tw. Leej twg yog cov feem ntau:

• PowerVR;
• mali;
• Adreno;
• GeForce ULP.

Qhov no yog cov feem ntau nrov tuam txhab uas muag uas twb muaj pov thawj stability thiab kev kawm ntawv thoob plaws smartphones thiab ntsiav tshuaj. Ua ntej xav tias cov Adreno 305, nws yog tsim nyog los nkag siab txog dab tsi tsis yog yus muaj los ntawm xws processors.

tsis

Yog li ntawd, kom koj to taub dab tsi peb fim graphics tsuj roj, thiab hais ib yam dab tsi txog nws kev kawm, koj yuav tsum tau saib rau peb xaiv:

• Tus nab npawb ntawm cov vajvoos peb sab ib ob.
• Tus nab npawb ntawm pixels ib ob.
• Cov nab npawb ntawm cov floating taw tes hauj lwm.

Ntawm cov hoob kawm, uas tag nrho cov ntaub ntawv yuav tsum tau ntsum xyuas los ntawm cov kws tshwj xeeb. Qhov nruab nrab neeg siv yuav hais tias lub me ntsis nuj nqis rau ntawm no tsis. Yog li ntawd, cia peb tau txoj cai ncaj qha rau peb mobile qauv Adreno 305.

Qualcomm

Qhov no lub tuam txhab tau tsim ntau tshaj ib tug mobile processor. Piv txwv li, muaj ntau yam smartphones yuav khav txog muaj ib lub Snapdragon tsev neeg ntawm cov qauv. Tus kab yog tsim los rau smartphones thiab ntsiav tshuaj, nws ua hauj lwm nrog cov NPAB architecture, thiab kev sib txuas lus modules. Nws yog ib cov mobile systems nyob rau hauv ib tug nti khw ib chipset, uas yog hais txog cov hero ntawm peb cov kev ntsuam xyuas.

Feem ntau, cov Snapdragon yog nyob rau hauv ob series, cov thawj ntawm cov uas tau txais lub indexes S1 / S2 / S3 / S4, thiab lub thib ob - 2xx / 4xx / 6xx / 8xx. Nws yog tus thib ob series yog Adreno 305. Nws yog "thaum" nyob rau hauv ib tsev neeg Snapdragon 400 thiab twb tau hais rau dozens ntawm kev hloov kho.

Snapdragon 400

Feem ntau, cov neeg uas pib kom to taub cov qauv ntawm lub processor, chipset, tub ntxhais, platforms thiab lwm yam, yuav sai li sai tau daim ntawv ceeb toom ib lo av ua kom yuam kev. Qhov no tsev neeg yog sawv cev tsis los ntawm ib tug qauv. Muaj ntau ntau lub versions nrog txawv architectures, cores thiab frequencies. Tab sis zuag qhia tag nrho, txhua ntawm lawv yog ib tug duab 305-th nucleus. Nws yog nyob rau hauv tag nrho, thiab yog li ntawd, cov zaub daws teeb meem yog ib txwm zoo li qub - 1280x800.

novelty

Tus thawj qauv yog "adrenergic" 305 tau txais xov tooj 8225. Lub chipset tau ua nyob rau hauv 28 nm txheej txheem technology nrog tsis muaj zog technology. Processor ua Cortex-A7 rau plaub cores nrog ib zaus ntawm 1200MHz. Graphics tsuj roj txhawb nqa ib tug ntau yam ntawm wireless sib txuas: NTUG, Bluetooth, Wi-nkaus, GSM, HSPA + thiab GPRS. Qhov kev xaiv no yog tswm nyob rau hauv ntau ntaus ntawv ua qauv, cov uas - lub Samsung Galaxy lub S5, lub S3 thiab Tab 4, Sony Xperia M2, thiab cov Microsoft lub Lumia 640 XL.

Cov nram qab no hloov kho yog yuav luag coj tsis muaj kev hloov nyob rau hauv cov yam ntxwv hloov xwb Adreno 305. CPU zaus los ntawm 1.2 GHz rau 1.4 GHz, thiab tus tsuj roj mus rau Samsung Galaxy S3 SS.

kev hloov

Qhov thib peb version ntawm lub chipset twb paub nyob rau hauv lub quarter thib plaub ntawm 2013. Nws yog ces hais tias nws pib loj ntau lawm. pab kiag li lawm ntxiv rau daim ntawv teev los ntawm plaub Nokia Lumia qauv chipset kuj pib yuav tsum tau siv nyob rau hauv tus qauv ntawm smartphones Huawei, HTC thiab Acer. Cov kev tivthaiv yog hloov dua me ntsis. Rov qab zaus ntawm 1.2 GHz, thiab cov tshiab daim ntawv teev cov wireless tes hauj lwm txhawb: DC-HSPA + thiab LTE. Ib tug nco technology thiab tiav nyob rau LPDDR2 LPDDR3.

Tus tshiab platform

Cov nram qab no hloov kho ntawm lub chipset tau coj mus rau yuav tsum muaj kev pauv hloov. Yog li, quad Cortex-A7 yog hloov los ntawm dual Krait 200 uas muaj ib zaus ntawm 1.2-1.4 GHz. Muaj cov ntaub ntawv rau lub ntim nyob rau hauv thawj theem cache 32 KB, lub thib ob - 1 MB. Txawj tej yam ntxiv lub cim xeeb technology. Nyob rau hauv lub Plaub versions processor hloov mus rau Krait 300 thiab ua hauj lwm ntawm ib zaus ntawm 1700 MHz. Nyob rau hauv cov ntaub ntawv no, txhua lub sij hawm daim ntawv teev cov pab kiag li lawm uas ua hauj lwm nrog cov chipset, nce los ntawm 3-5 qauv.

kev sib piv

Piv nrog Adreno 305 Adreno 225 - lub feem ntau. Qhov no yog vim lub fact tias cov laus version yog ib tug continuation ntawm cov hluas tshaj. Nyob rau hauv qhov tseeb, lub 305-th qauv - qhov no update 225th. Nws xub tshwm sim nyob rau hauv lub Snapdragon S4 Pro, tab sis qhov loj tshaj kev kawm tau zoo tiav nyob rau hauv lub tsev neeg Snapdragon 400. Qhov txawv novelty lus dag nyob rau hauv nws tiam no. Nws txhawb nqa ib tug ntau dua pes tsawg tus tshiab technologies, nws yog ib qho yooj yim mus rau tiv nrog lub API, Direct3D 9.3, OpenGL ES 3.0 thiab CL 1.2.

kev soj ntsuam

Performance Adreno 305 yuav tsuas yuav muaj tseeb los ntawm kev ntsuam xyuas. Ntawm cov hoob kawm, ntau nyob ntawm dab tsi platform tso chipset thiab processor yuav ua li cas nws ua hauj lwm ua ke. Core moos zaus nce mus txog 450 MHz. Parameter flops yog tsis pub dhau 0,02 thiab qhia GPU ua hwj chim ntawm tus processor.

0,8 GPixel / s - yog cov kev ceev ntawm lub pixels. Qhov no parameter txiav txim seb tus naj npawb ntawm cov pixels uas tso tawm kom pom ib ob. Raws li hais ua ntej lawm, tus qauv txhawb 9.3 version ntawm DirectX, uas ho pab txoj kev lub graphics nyob rau hauv kev ua si. Version ntawm OpenCL 1.1 - yog ib tug technology uas tso cai rau ib co software siv graphics tsuj roj rau uas tsis yog-graphical hom phiaj.

TechProcess ntsiav - 28 nm. Piv nrog rau pre-niaj hnub version yog ib tug loj daim duab, tab sis los ntawm 2013 nws yog revolutionary chipset qhov ntev.

nta

Adreno 305 - qhov no yog ib tug zoo video processor, uas ua nrov nyob rau hauv 2013. Nws yog ces hais tias mobile pab kiag li lawm tau ua sai nruab nrog cov qauv no. Nws tau txais ib tug unified shader architecture. Nyob rau nruab nrab lub video zaus nce mus txog 266 MHz, tab sis, nyob rau hauv kev muaj tiag twb paub twb raising mus txog 450 MHz.

Lub chipset muaj ib cov tub ntxhais. Nco pab nce mus txog 256 MB. Hauv ob shader ua pixels, ib tug geometry processor thiab kab los sib ntsib shaders. Performance nce mus txog 98 lab cov vajvoos peb sab ib ob thiab 2.5 billion pixels nyob rau hauv tib lub sij hawm.

Adreno 305 tej zaum yuav ua tessellation kho vajtse ua hauj lwm nrog tag nrho-screen anti-aliasing duab, cais lub peb-dimensional scene rau cov vuas, teeb pom kev zoo tsim kho vajtse ua hauj lwm nrog alpha Blanding thiab tau txais Z tsis muaj 24-ntsis. Tam sim no ntau tshaj li 50 ntse xov tooj thiab cov ntsiav tshuaj nrog ib tug kaum os cov ua hauj lwm nrog cov graphics tsuj roj. Feem ntau ntawm cov gadgets tawm ntawm ntau lawm.

Xyuas

Qualcomm tau ua hauj lwm rau ib ntev lub sij hawm nrog GPU Adreno. Tus thawj versions pib tshwm nyob rau hauv 2009 thiab twb coj tshaj kev ua lag luam thiab cov neeg siv cov xim. Tam sim no muaj xya processors nrog no graphics tsuj roj. Nyob rau hauv Feem ntau, lawv tsis txawv los ntawm txhua lwm yam. Tej zaum hnov co frequencies.

Muaj tseem tus neeg uas muaj ntse tes nrog Adreno 305. xyuas lub video processor nyob rau hauv me me qhov ntau. Nws yog tshwm sim los ntawm qhov tseeb hais tias nws yog ib qho tseem ceeb heev ib feem ntawm lub mobile ntaus ntawv, ces nws tau txais ib tug smartphone xyuas, es nws neeg lub Cheebtsam.

Nws yog lub npe hu hais tias cov qauv 2013, uas tau txais lub chipset yog hais txog qhov nruab nrab nqi ya, thiab tsom ruaj khov ua tau zoo, uas tsis sawv tawm nrog ib yam dab tsi tshwj xeeb. Processors nrog no cov tub ntxhais ua hauj lwm zoo, ua tsaug rau lub hwj chim ntawm ntshiv hom kev kawm khaws cia rau lub autonomy ntawm lub ntaus ntawv rau ib tug ntev lub sij hawm.

Lub ntsiab disadvantage ntawm yuav xws li ib tug ntaus ntawv yog xam hais tias tus neeg siv yuav tau them nyiaj mloog mus rau lub Snapdragon 400 nyob rau hauv Internet specifications, xyuas tag nrho thiab tau txais nws. Tab sis nyob rau hauv qhov tseeb nws muab tawm hais tias lub chipset yog dog dig weaker nyob rau hauv tej rooj plaub tig tawm mus rau xeem tsis ua hauj lwm. Cov teeb meem raug mob los ntawm qhov tseeb hais tias ib tug cos Snapdragon 400 yuav feem ntau yog ib tug ob peb modifications, uas, tab sis nws yog Adreno 305, lwm yam kev ntsuas yuav txawv muaj nuj nqis.

Zuag qhia tag nrho, lub graphics yog zoo. Nws twb tsis rub txoj kev zoo nkauj cov khoom ua si, tab sis rau cov uas tsis chaw tiv nrog luag tag nrho cov tej yaam num ntawm lub "Ua si cia". Lub ntsiab drawback ntawm graphics thiab processors los ntawm Qualcomm xam tau tias yog overheating niaj hnub no. Yog li ntawd tam sim no, muaj ntau yam mobile ntaus ntawv manufacturers tsis kam cov ntawm no lub tuam txhab thiab muab nyiam rau Mali.