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「Core Board」 Qhov txawv ntawm Cortex-A5, A8 thiab A9 - Qhov Qib GHz, Qhov Ntawd Ua Ntej CPU?
Jul 27, 2018

Lub caj NPAB tub ntxhais kev sib txhawb uas muaj tswv yim nruab ntse muaj cov nram qab no:

ARM9: qhia npaj ARMv5 qib 5 looj roj, 1.1DMIPS / MHz

ARM10E: kev qhia ARMv5, nws tsim tom qab intel raug tso cai, xws li PXA270, PXA210 series, 6/7-raj raj, 1.35DMIPS / MHz

ARM11: qhia ntawv ARMv6, 8-raj raj, 1.25DMIPS / MHz

Cortex-A8 : kev qhia npaj ARMv7-A, 13-theem integer pipeline, superscalar dual emission, 2.0DMIPS / MHz, txheem Neon, tsis txhawb cov tub ntxhais

Scorpion: Kev qhia ARMv7-A, uas yog tsim los ntawm A8 tom qab Qualcomm tau qhia ntawv tso cai tso cai. 13-theem thooj ntawm cov zauv, kev ua lag luam uas muaj kev sib txuas, kev ua haujlwm tsis tiav.

IAC-335X.jpg

Qiyang TI AM335X Cortex-A8 board



2.1DMIPS / MHz, txheem Neon, txhawb ntau tus ntxhais

Cortex-A9 : kev qhia teeb tsa ARMv7-A, 8-theem qis dua, kev tshaj tawm ob lub qhov muag, tawm ntawm kev txiav txim, 2.5DMIPS / MHz, Neon / VFPv3 yeem, txhawb ntau tus ntxhais

Freescale i.MX6 Development Board.jpg

Qiyang Freescale i.mx6 Cortex-a9 board


Cortex-A5 : kev qhia npaj ARMv7-A, 8-theem qis dua qhov cub, 1.57DMIPS / MHz, Neon / VFPv3 yeem, txhawb ntau tus ntxhais

IAC-A5D3X.jpg

Qiyang Atmel A5D3X Cortex-A5 board


Cortex-A15: qhia ntawv ARMv7-A, superscalar, tawm ntawm kev txiav txim tiav, Neon / VFPv4 yeem, txhawb ntau tus ntxhais

Qhov kev ua tau processor yog txiav txim los ntawm mips tus nqi, uas yog, ntau npaum li cas lab cov lus qhia raug daws ib hertz. CPU zaus tsuas yog lub sijhawm ua haujlwm ua haujlwm tsawg, uas yog, pes tsawg lub sij hawm tus CPU vibrates nyob rau hauv 1 thib ob ntawm AC Circuit Court, qhov tseeb CPU kev ua tau zoo yuav tsum: CPU kev kawm = ipc (cov lus qhia ntawm CPU siv txhua lub moos lub voj voog) × zaus (MHz moos ceev), qhov ntawd yog, cov voj kev oscillation ntawm qhov kev paub ntawm CPU, thiab cov xov tooj ntawm cov lus qhia txhua lub voj oscillation khiav.

90% Txawb xov tooj CPU yog caj npab qauv, arm architecture yog muab faib ua lwm yam txawv, xws li lub Nokia 500 yog arm11 architecture 1ghz, moto xt615 cortex a5 architecture, ZTE u8800 + yog scorpion architecture monocular 1ghz hloov raws li cortex a8 architecture, Meizu mx yog cortex a9 architecture dual-core 1ghz, thiab Huawei plte yog krait architecture raws li cortex a9 architecture.

Txhua qhov txawv architectures muaj ib tus nqi dmips tsau, txhua CPU kuj muaj lawv tus kheej txawv dmips, uas yog, qhia cov lus qhia txhua qhov CPU ua tiav ib thib ob ntawm octet, lub tsev yog mips / mhz, feem ntau yuav kom sib piv tau ntawm kev ua tau zoo ntawm cov sib txawv CPU, Thaum lub xov tooj CPU tseem yuav yog ib tus qauv ntawm kev sib piv ntawm cov computer CPU kev sib piv. arm11 architecture dmips tus nqi theoretical yog 1.2moos / mhz, a5 architecture yog 1.6moos / mhz, scorpion architecture tus theoretical tus nqi yog 2.1mips / mhz, a9 architecture yog 2.5mips / mhz, krait architecture yog 3.3mips / mhz.

Ces koj tuaj yeem xam qhov kev ua tau ntawm txhua CPU:

Nokia 500 Freescale ms455 yog arm11 architecture 1ghz = 1.2x1000 = 1200mips

xt615 high-pass msm7227a yog a5 architecture 800mhz = 1.6x800 = 1280mIP

u8800 + tus msm8225 = 2.1x1000 = 2100mIP

Meizu mx exynos4210 = 2.5x2x1400 = 7000mips

Huawei p lte msm8960 = 3.3x2x1500 = 9900mips

Hauv no, nws zoo nkaus li tias tag nrho cov 1ghz, tab sis qhov kev ua tau zoo ntawm Huawei u8800 + CPU kev ua tau zoo yog 1.75 lub sij hawm tshaj ntawm Nokia 500. Ib yam li ntawd, qhov kev ua tau zoo ntawm A7 500 MHz CPU kev ua tau zoo dua A5 500MHz.

Freescale 6UL.jpg

Qiyang Freescale i.mx6UL Cortex-A7 board


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