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USB 2.0 vs 3.0: Menene Bambanci?
2024-09-10
I. Gabatarwa
Fasaha ta Universal Serial Bus (USB) tana da mahimmanci a cikin kwamfuta na zamani saboda tana ba da damar haɗin kai tsakanin na'urori iri-iri, gami da maɓallan madannai da linzamin kwamfuta, rumbun kwamfyuta na waje, da kyamarori masu mahimmanci. Tare da zuwan sababbin ma'auni na USB kamar USB 3.0, yana da mahimmanci don fahimtar bambance-bambance tsakanin kebul na 2.0 da ake amfani da su da yawa da ma'auni na USB 3.0. Yayin da USB 2.0 ya kasance aikin aiki na na'urori da yawa tun lokacin da aka saki shi a 2000, USB 3.0 mai sauri da inganci, wanda aka gabatar a cikin 2008, yana ba da sababbin na'urori masu ƙarfi da sauri da sauƙi.
A cikin wannan kwatancen, za mu kalli mahimman ma'auni kamar matsakaicin ƙimar canja wurin bayanai, dacewa ta baya, da ingancin ƙarfin wuta. Za mu kuma duba shari'o'in amfani na yau da kullun, irin su USB 2.0 ya ishe su don kayan aiki na asali ko kuma USB 3.0 ya fi dacewa da ayyuka kamar Canjin bidiyo na HD ko sarrafa na'urorin ajiya mai sauri.
| USB Standard | Shekarar Saki | Matsakaicin Gudu | Fitar wutar lantarki |
|---|
| Kebul na USB 2.0 | 2000 | 480 Mbps | 500 mA |
| Kebul na USB 3.0 | 2008 | 5 gbps | 900 mA |
II. Menene ma'aunin USB 2.0?
USB 2.0 shine ma'auni na ƙarni na biyu da aka gabatar a cikin 2000 wanda ya sami farin jini cikin sauri saboda haɗuwa da sauri da dacewa. Babban halayen USB 2.0 sun haɗa da matsakaicin matsakaicin saurin canja wurin bayanai na 480 Mbps (Megabits a sakan daya), wanda ya isa ga kayan aiki na asali kamar maɓallan madannai, linzamin kwamfuta, da filasha. Duk da kasancewarsa a hankali fiye da maye gurbinsa, USB 3.0, USB 2.0 har yanzu ana amfani dashi sosai a cikin tsofaffin na'urori. Ɗaya daga cikin ma'anar kebul 2.0 shine tsarin musayar bayanai na rabin-duplex, wanda ke ba shi damar aikawa ko karɓar bayanai amma ba duka biyu a lokaci guda ba. Wannan ƙuntatawa yana da tasiri akan ayyukan manyan canja wurin fayil da manyan aikace-aikacen bandwidth.
Wani muhimmin abin la'akari shine fitarwar wutar lantarki. USB 2.0 yana ba da 500 mA (milliamps) na wuta, wanda ya isa ga na'urori masu ƙarancin ƙarfi amma yana iya yin gwagwarmaya don cajin sababbi, manyan abubuwan da ake buƙata.
USB 2.0 yana da abubuwan maɓalli masu zuwa:
Matsakaicin gudun: 480Mbps.
Ƙarfin wutar lantarki: 500mA
Yana goyan bayan na'urorin USB 1.1.
Matsakaicin tsayin kebul: har zuwa mita 5.
III. Menene USB 3.0?
USB 3.0, wanda aka yi karo da shi a cikin 2008, haɓaka ne mai yawa akan wanda ya riga shi, USB 2.0. Tare da matsakaicin saurin canja wurin bayanai na 5 Gbps (Gigabits a sakan daya), yana da sauri kusan sau goma fiye da USB 2.0. Wannan yana sa USB 3.0 ya dace da aikace-aikacen da ke buƙatar canja wurin bayanai cikin sauri, kamar kwafin manyan fayiloli, fina-finai HD, ko adana bayanai zuwa rumbun kwamfyuta na waje.
Ɗaya daga cikin mahimman ci gaba a cikin USB 3.0 shine yanayin canja wurin bayanai mai cikakken duplex, wanda ke ba da damar aika bayanai da karɓa lokaci guda. Wannan aikin yana haɓaka ingantaccen aiki gabaɗaya ta hanyar rage lokacin da ake buƙata don babban fayil ɗin canja wurin.
Maɓallin Maɓalli na USB 3.0:
Gudun gudu: 5 Gbps (Gigabit a sakan daya)
Wutar lantarki: 900mA.
Baya mai jituwa tare da USB 2.0.
Matsakaicin tsayin kebul: har zuwa mita 3.
Bugu da ƙari, USB 3.0 ya haɗa da mai haɗin 9-pin, sabanin mai haɗin 4-pin a cikin USB 2.0, wanda ke ba da damar watsa bayanai cikin sauri da inganci. Daidaitawar sa na baya yana ba da damar cewa na'urorin USB 2.0 har yanzu ana iya haɗa su zuwa tashoshin USB 3.0, kodayake a cikin saurin USB 2.0.
IV. Menene Bambanci Tsakanin USB 2.0 vs 3.0?
Babban bambanci tsakanin USB 2.0 da USB 3.0 shine susaurin watsa bayanai da ingancin wutar lantarki.USB 2.0 yana da matsakaicin gudun 480 Mbps, amma USB 3.0 yana ƙara wannan zuwa 5 Gbps, yana mai da shi cikakke don manyan fayilolin fayiloli kamar fina-finai HD da hotuna masu ƙarfi. A aikace-aikace na ainihi, USB 3.0 yana da sauri har sau goma don ayyuka kamar madadin ajiya ko aiki tare da bayanai.
Wani muhimmin bambanci shinefasahar sadarwar bayanai.USB 2.0 shine keɓantaccen duplex, wanda ke nufin yana iya aikawa ko karɓar bayanai kawai a kowane lokaci. USB 3.0, a gefe guda, yana amfani da tsarin cikakken duplex wanda ke ba da damar aika bayanai da karɓa lokaci guda, yana haifar da ingantaccen kwararar bayanai da haɓaka aikin gabaɗaya.
Cikin sharuddanfitarwar wutar lantarki, USB 3.0 na iya samar da har zuwa 900 mA, idan aka kwatanta da 500 mA don USB 2.0. Ƙarfin wutar lantarki mafi girma na USB 3.0 yana ba shi damar ɗaukar ƙarin na'urorin da ke buƙatar wutar lantarki, irin su rumbun kwamfyuta na waje da na'urori masu sauri, yayin da suke ba da damar yin caji cikin sauri.
Takaitacciyar Bambance-bambancen Maɓalli:
| Siffar | Kebul na USB 2.0 | Kebul na USB 3.0 |
|---|---|---|
| Max Gudun | 480 Mbps | 5 gbps |
| Fitar wutar lantarki | 500 mA | 900 mA |
| Isar da bayanai | Half-Duplex | Cikakken Duplex |
V. Bambancin gani da na jiki
Ɗayan bambance-bambancen da ke tsakanin USB 2.0 da USB 3.0 shine halayen gani da na zahiri. Bambance-bambancen da aka fi sani shine canza launi na tashoshin jiragen ruwa da masu haɗin kai. Tashar jiragen ruwa na USB 2.0 galibi baƙar fata ne ko launin toka, yayin da tashoshin USB 3.0 shuɗi ne, yana sauƙaƙa tantance ko wane misali ake amfani da na'urar.
Baya ga launi, daidaitawar fil ɗin ya bambanta tsakanin ma'auni biyu. Masu haɗin USB 2.0 sun haɗa da fil huɗu, wanda ya isa don rage yawan watsa bayanai da fitarwar wutar lantarki. Masu haɗin USB 3.0, a gefe guda, suna da fil tara, suna ba da izinin watsa bayanai cikin sauri da ƙarin ƙarfi. Ƙarfin USB 3.0 don cimma cikakkiyar canja wurin bayanai, wanda ke ba da damar aikawa da karɓar bayanai lokaci guda, ana danganta shi da ƙarin fil ɗinsa.
Wani sanannen bambanci shine girman jiki na masu haɗawa. Masu haɗin USB 3.0 Micro-B sun ɗan fi girma fiye da na USB 2.0, yana mai da su rashin jituwa da tashoshin jiragen ruwa na baya. Yawancin masu haɗin USB 3.0 Type-A suna dacewa da baya tare da tashoshin USB 2.0, amma aikin yana iyakance ga saurin USB 2.0.
Waɗannan halaye na gani da na zahiri suna taka muhimmiyar rawa wajen tantance ƙarfin tashoshin USB da igiyoyi, tabbatar da cewa masu amfani sun zaɓi daidaitattun na'urorinsu.
VI. Ingantaccen Wutar Lantarki da Yanayin Amfani
Ɗaya daga cikin mahimman fa'idodi a cikin USB 3.0 akan USB 2.0 shine ƙarfin ƙarfinsa da fitarwa. USB 3.0 yana da ƙarfin wutar lantarki na 900 mA, wanda kusan ninki biyu na 500mA da ke bayarwa ta USB 2. Wannan babban ƙarfin ikon yana ba da damar USB 3.0 don ɗaukar ƙarin na'urorin da ke buƙatar kuzari, kamar rumbun kwamfyuta na waje, HD kyamarori, da na'urori waɗanda ke buƙatar caji mai sauri.
USB 3.0 kuma ya haɗa da ingantaccen sarrafa wutar lantarki, wanda ke rage amfani da wuta ta atomatik yayin da ba a amfani da na'urar da aka haɗa. Wannan yana da fa'ida musamman ga manyan kayan aiki masu ƙarfi, waɗanda ke amfana daga ingantaccen amfani da wutar lantarki, musamman a lokuta lokacin da aka haɗa na'urori da yawa a lokaci guda.
Don USB 2.0, yayin da ƙananan ƙarfin ƙarfinsa ya isa ga kayan aiki na asali kamar beraye, madanni, da firintoci, ya gaza ga na'urorin da ke buƙatar canja wurin bayanai da sauri da amfani mai ƙarfi. A sakamakon haka, ana amfani da USB 2.0 sau da yawa a cikin yanayi inda ingancin farashi shine fifiko kuma babban aikin ba lallai bane.
Abubuwan Amfani Na Musamman:
USB 2.0:
Na'urori masu ƙarancin ƙarfi kamar mice, maɓallan madannai, firinta
Aikace-aikace masu tsada
USB 3.0:
Na'urori masu ƙarfi kamar ma'ajiyar waje da kyamarori HD
Yin caji mai sauri da ayyuka masu zurfin bayanai
Ingantacciyar wutar lantarki ta USB 3.0 da mafi girman fitarwar wutar lantarki sun sa ya zama zaɓin da aka fi so don zamani, abubuwan da ke buƙatar makamashi, yayin da USB 2.0 ya kasance ya isa ga na'urori masu sauƙi da yanayin yanayin kasafin kuɗi.
VIII. Wanne ya kamata ku zaba?
Zaɓin tsakanin USB 2.0 da USB 3.0 an ƙaddara ta hanyoyi daban-daban, gami da saurin watsa bayanai, buƙatun wuta, da daidaitawar na'ura. Duk bambance-bambancen USB suna da fa'idodi kuma sun dace da aikace-aikace iri-iri.
Idan mahimman abubuwan buƙatun ku masu sauƙi ne, kamar haɗa abubuwan da ba su da ƙarfi kamar linzamin kwamfuta, maɓalli, da firintoci, USB 2.0 ya kasance zaɓi mai araha. Matsakaicin saurin canja wurin sa na 480 Mbps ya wadatar ga waɗannan na'urori, kuma ƙarfin ƙarfinsa na 500mA ya isa ga ayyukan gama gari waɗanda ba sa buƙatar canja wurin bayanai cikin sauri.
USB 3.0, a gefe guda, ya fi dacewa don buƙatar aikace-aikace. Idan kuna ma'amala da manyan canja wurin fayil, kamar fina-finai HD ko hotuna masu inganci, ko kuma idan kuna buƙatar kunna na'urori kamar rumbun kwamfyuta na waje, saurin USB 3.0's 5 Gbps da 900mA ikon fitarwa zai zama babban taimako. Bugu da ƙari, canja wurin bayanai na cikakken-duplex na USB 3.0 yana ba da damar sauri, aikawa da karɓar bayanai a lokaci guda.
Lokacin zabar USB 2.0:
Mai tsada.
Ƙarƙashin wutar lantarki
Ayyukan watsa bayanai marasa mahimmanci
Lokacin zabar USB 3.0:
Don saurin canja wurin bayanai.
Na'urori masu neman iko
Ayyukan da ke buƙatar caji mai sauri ko ayyuka da yawa
A ƙarshe, USB 3.0 yana ba dam aiki, duk da haka USB 2.0 ya kasance ingantaccen bayani don buƙatun asali. Ya kamata zaɓinku ya dogara da bukatunku ɗaya.
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PC masana'antu tare da GPU,masana'antu kwamfutar hannu OEM,kwamfutar tafi-da-gidanka na soja na siyarwa, kwamfuta šaukuwa masana'antu
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