Nkhani yatsopano: Ndemanga ya khadi ya kanema ya NVIDIA GeForce GTX 1660: Polaris, sunthani

NVIDIA posachedwapa yatulutsa khadi la zithunzi za GeForce GTX 1660 Ti kutengera TU116 GPU yatsopano, koma kusuntha kwa zomangamanga za Turing kuzinthu za bajeti sikunathe. Ndi GTX 1660 Ti, kampaniyo inalowa m'malo mwa GeForce GTX 1070 ndi chitsanzo chatsopano komanso chotsika mtengo chogwiritsa ntchito mphamvu zochepa, koma GeForce GTX 1660 yatsopano ikuyang'anizana ndi ntchito ina: kutseka kusiyana kwa kabuku ka NVIDIA komwe kulipobe pakati pa GeForce GTX. 1060 ndi GTX 1070 Kugwa kotsiriza, Radeon RX 590 inakhazikika mumpata uwu, ndipo Radeon RX 580, chifukwa cha kukhathamiritsa kwa madalaivala ndi kusintha kwa masewera kupita ku Direct3D 12, inakhala njira yoyenera ku GeForce GTX 1060. ndi kutulutsidwa kwa GTX 1660, ma GPU "ofiira" ali ndi mpikisano waukulu m'gulu lalikulu la makadi a kanema ogula, chifukwa chatsopanocho ndi chotsika mtengo kuposa Radeon RX 590 ndipo chili ndi kuthekera kwakukulu kochita.

Makhalidwe aukadaulo, mtengo

GeForce GTX 1660 idakhazikitsidwa ndi purosesa yazithunzi ya TU116 yokhala ndi mayunitsi apakompyuta otsekedwa pang'ono. Kusiyana kwa kasinthidwe ka GPU pakati pa GTX 1660 ndi GTX 1660 Ti kumatsikira ku ma multiprocessors awiri (SMs), omwe palimodzi amakhala ndi 128 32-bit CUDA cores ndi 8 mappers. Chifukwa chake, kutulutsa kwa GeForce GTX 1660 kudangovutika ndi 8,3% kokha pakuyendetsa malo oyandama komanso kudzaza kwa texel popanda kusintha liwiro la wotchi ya GPU. Ndipo ma frequency, mwa njira, amangowonjezereka mwachitsanzo chaching'ono: NVIDIA idawonjezera ma frequency oyambira ndi 30 MHz, ndi Boost Clock ndi 15 MHz.

Koma kusintha kobisika koteroko sikungakhale kokwanira kusiyanitsa GeForce GTX 1660 ndi GTX 1660 Ti. Chinthu chachikulu cholekanitsa mitundu iwiriyi chinali mtundu wa RAM. Pomwe kusinthidwa kwa Ti kuli ndi tchipisi ta GDDR6 okhala ndi bandwidth ya 12 Gbps pa pini, GeForce GTX 1660 idabwerera ku GDDR5 standard. Kuphatikiza apo, GTX 1660 ili ndi tchipisi tokhala ndi bandwidth ya 8 Gbps, zomwe zikutanthauza kuti potengera kuchuluka kwa kukumbukira kukumbukira, khadi yatsopano ya kanema imagwirizana kwathunthu ndi zomwe GeForce GTX 1060 yokhala ndi 6 GB RAM, ndi mitundu ina yamtsogolo. ya GTX 1060 yokhala ndi 9 Gbps RAM ngakhale kuposa GTX 1660 ili ndi gawo ili. Komabe, purosesa yazithunzi ya TU116, chifukwa cha kukhathamiritsa kwamtundu kwabwino, imagwira ntchito ndi RAM bwino kwambiri.

Popeza palibe kuthamanga kwa wotchi kapena kasinthidwe ka GPU ka GeForce GTX 1660 ndi GTX 1660 Ti ndizosiyana kwambiri, ndipo chitsanzo chaching'ono chimanyamula tchipisi ta RAM tomwe timagwiritsira ntchito mphamvu zambiri (poyerekeza ndi GDDR6), ma accelerator ang'onoang'ono a banja la Turing amadziwika. ndi mphamvu yomweyo yosungirako - 120 W .

Takambirana kale zamtundu wa TU116 chip poyerekeza ndi oimira athunthu a banja la Turing (TU106, TU104 ndi TU102) pakuwunikanso kwa GeForce GTX 1660 Ti, koma ndikofunikira kuyang'ana mbali zingapo zomwe zimapangitsa TU116 yofanana ndi ma analogue ake akale kapena, mosiyana, jambulani pakati pawo malire osagonjetseka. Pazonse, TU116 ili ndi zonse zatsopano zomwe NVIDIA yakhazikitsa muzomangamanga za Turing, kupatula ma cores omwe amapanga Ray Tracing ndi ma tensor cores omwe amachita mawerengedwe a FMA (Fused-Multiply Add) pamakina olondola kwambiri (FP16). ). Zotsirizirazi zimagwiritsidwa ntchito makamaka pamakina ophunzirira makina, pomwe GPU imadutsa deta kudzera mu neural network yomwe idapangidwa kale kwanuko kapena pafamu yakutali. Chifukwa chake, GeForce GTX 1660 ndi GTX 1660 Ti nthawi imodzi idataya kuyanjana ndi onse DXR (Direct3D 12 extension for ray tracing) ndi ukadaulo wa DLSS, womwe umalola GPU kuti ipereke malingaliro ocheperako ndikukulitsa chimango pogwiritsa ntchito neural network.

M'malo mwa mayunitsi a tensor, NVIDIA idakonzekeretsa TU116 ndi gulu lapadera la 16-bit CUDA cores - samathamanga mokwanira kuti ayendetse DLSS bwino, koma pali kale masewera omwe amagwiritsa ntchito kulondola kwa theka pakuwerengera shader (mwachitsanzo, Wolfenstein II. : The New Colossus), chifukwa chake magwiridwe antchito a ma GPU oyenera (panopa tchipisi ta Vega ndi Turing) amakula kwambiri. Kupanda kutero, kachiwiri, TU116 imasiyana ndi tchipisi akale a banja lake mochulukirachulukira, ili ndi kukhathamiritsa kwa mapaipi komwe kumapezeka muzomanga za Turing, ndipo imathandizira ntchito zoperekera eni ake monga VRS (Variable Rate Shading).

Wopanga	NVIDIA
lachitsanzo	GeForce GTX 1060 3 GB	GeForce GTX 1060 6 GB	GeForce GTX 1660	GeForce GTX 1660 Ti	GeForce RTX 2060	GeForce RTX 2070
GPU
Mutu	GP106	GP106	TU116	TU116	TU106	TU106
Microarchitecture	Pascal	Pascal	Turing	Turing	Turing	Turing
Njira zaukadaulo, nm	16nm FinFET	16nm FinFET	12 nm FFN	12 nm FFN	12 nm FFN	12 nm FFN
Chiwerengero cha ma transistors, miliyoni	4 400	4400	6 600	6 600	10 800	10 800
Wotchi pafupipafupi, MHz: Base Clock / Boost Clock	1506/1708	1506/1708	1530/1785	1500/1770	1365/1680	1 / 410 (Kusindikiza Koyambitsa: 1 / 620)
Nambala ya shader ALUs	1152	1280	1408	1536	1920	2304
Chiwerengero cha mayunitsi opangira mapu	72	80	88	96	120	144
ROP nambala	48	48	48	48	48	64
Chiwerengero cha ma tensor cores	No	No	No	No	240	288
Chiwerengero cha RT cores	No	No	No	No	30	36
Kumbukirani ntchito
Kutalika kwa basi, pang'ono	192	192	192	192	192	256
Chip mtundu	GDDR5 SDRAM	GDDR5 SDRAM	GDDR5 SDRAM	GDDR6 SDRAM	GDDR6 SDRAM	GDDR6 SDRAM
Mafupipafupi a wotchi, MHz (bandwidth pa kukhudza, Mbit/s)	2000 (8000) 2250 (9000) Zowonjezera	2000 (8000) 2250 (9000) Zowonjezera	2000 (8000)	1 (500)	1 (750)	1 (750)
Volume, MB	3 096	6 144	6 144	6 144	6 144	8 192
I/O basi	PCI Express 3.0 x16	PCI Express 3.0 x16	PCI Express 3.0 x16	PCI Express 3.0 x16	PCI Express 3.0 x16	PCI Express 3.0 x16
Kukonzekera
Kuchita pachimake FP32, GFLOPS (kutengera ma frequency omwe atchulidwa)	3935	4372	5027	5437	6451	7 / 465 (Oyambitsa Edition)
Ntchito FP32/FP64	1/32	1/32	1/32	1/32	1/32	1/32
Ntchito FP32/FP16	1/128	1/128	2/1	2/1	2/1	2/1
RAM bandwidth, GB/s	192/216	192/216	192	288	336	448
Kutulutsa kwazithunzi
Zithunzi zotulutsa zolumikizira	DL DVI-D, DisplayPort 1.3/1.4, HDMI 2.0b	DL DVI-D, DisplayPort 1.3/1.4, HDMI 2.0b	DL DVI-D, DisplayPort 1.4a, HDMI 2.0b	DL DVI-D, DisplayPort 1.4a, HDMI 2.0b	DL DVI-D, DisplayPort 1.4a, HDMI 2.0b	DL DVI-D, DisplayPort 1.4a, HDMI 2.0b
TBP/TDP, W		120	120	120	160	175/185 (Oyambitsa Edition)
Mtengo wogulitsa (USA, kupatula msonkho), $	199 (yomwe idalimbikitsidwa panthawi yotulutsidwa)	249 (yomwe idalimbikitsidwa pakumasulidwa) / 299 (Oyambitsa Edition, nvidia.com)	229 (ovomerezeka)	279 (ovomerezeka)	349 (ovomerezeka) / 349 (Oyambitsa Edition, nvidia.com)	499 (ovomerezeka) / 599 (Oyambitsa Edition, nvidia.com)
Mtengo wogulitsa (Russia), rub.	ND	ND (yovomerezeka panthawi yotulutsidwa) / 22 (Oyambitsa Edition, nvidia.ru)	17 (ovomerezeka)	22 (ovomerezeka)	ND (yovomerezeka) / 31 (Oyambitsa Edition, nvidia.ru)	ND (yovomerezeka) / 47 (Oyambitsa Edition, nvidia.ru)

GeForce GTX 1660 ikhoza kutchedwa yachitatu (pambuyo pa RTX 2060 ndi GTX 1660 Ti) wolowa m'malo mwa khadi lalikulu lapakati pamtengo wapakatikati mu banja la Pascal - GeForce GTX 1060. Koma ngati mutseka maso anu ku kuchuluka kwa RAM, ndiye ponena za malo ake pamzerewu chatsopanocho chiyenera kufanana ndi mtundu wa GeForce GTX 1060 ndi 3 GB ya RAM. Poyerekeza ndi zaposachedwa, GTX 1660 sikuti ili ndi chiwongolero chowirikiza kawiri, komanso ili ndi 27% yowonjezereka ya shader kuposa mtundu wakale, monga 1660% GTX 24 Ti imaposa GTX 1060 yodzaza ndi 6GB ya RAM. Panthawi imodzimodziyo, NVIDIA sichisiya ndondomeko yamtengo wapatali yokhazikitsidwa ndi banja la GeForce RTX 20 la makadi a kanema, momwe zida zonse zatsopano zimawonongera wogula kuposa ma analogue awo achindunji ndi manambala achitsanzo a m'badwo wakale. Chifukwa chake GeForce GTX 1660 idagulitsidwa pamtengo wovomerezeka wa $229, ngakhale GeForce GTX 1060 yokhala ndi 3 GB ya RAM idayamba pa $199.

Poyang'ana mtengo wamtengo wapatali wa chinthu chatsopanocho, munthu akhoza kukwiyitsidwanso ndi umbombo wa NVIDIA, ngati sichoncho chifukwa cha kufooka kwa zopereka zamakono za AMD, zomwe, ndi kubwera kwa zomangamanga za Turing, zimafalikira kuchokera kumtunda kupita ku gawo lamtengo wapatali. Chifukwa chake, zosintha zotsika mtengo kwambiri za Radeon RX 590 (mitengo kuchokera ku $240 patsamba la newegg.com) ndizokwera mtengo kuposa GeForce GTX 1660, ndipo pamsika waku Russia, malingaliro a NVIDIA (17 rubles) adayika GTX 990 mu gawo lotsika lamitundu, lomwe lidakhala ndi mankhwala a AMD (kuchokera ku ma ruble 1660 malinga ndi market.yandex.ru).

Mosiyana ndi ma accelerator ena pa Turing chips, kuphatikiza GeForce GTX 1660 Ti, GTX 1660 ilibe opikisana nawo mwachindunji mumsasa wake womwe. Mitundu yapafupi kwambiri ya 10-mndandanda wamafotokozedwe ndi magwiridwe antchito - GeForce GTX 1060 6 GB ndi GeForce GTX 1070 - ili kutali ndi chinthu chatsopano pamtengo, ngakhale woyamba (ndi GTX 1060 tsopano akugulitsidwa pamitengo yoyambira $209 kapena 14 rubles) idzachedwabe kutenga ena mwa ogula mpaka zosungira zakale za NVIDIA zidasonkhanitsidwa panthawi ya cryptocurrency boom itatha.

GIGABYTE GeForce GTX 1660 OC: kapangidwe

Kuwonetsa koyamba kwa khadi yatsopano yazithunzi pagulu lamitengo yotsika komanso yapakatikati (ndiponso zamitundu yotsika mtengo) imapangidwa bwino pogwiritsa ntchito kusinthidwa kosavuta monga mwachitsanzo, chifukwa awa ndi omwe amafunikira kwambiri - mosiyana " premium” yotengera GPU yomweyo, yomwe pamtengo nthawi zambiri imalowa mumitundu yakale kwambiri. M'lingaliro ili, tili ndi mwayi kachiwiri, chifukwa GeForce GTX 1660 ikuyimira chipangizo cha GIGABYTE chotulutsidwa kupitirira mndandanda wotchuka wa WINDFORCE ndi AORUS. Simudzalakwitsa ngati mutazindikira pazithunzizo khadi la kanema lomwelo lomwe tidayesa masabata atatu m'mbuyomu mu ndemanga ya GeForce GTX 1660 Ti - imagwiritsa ntchito bolodi lozungulira lomwelo ndi kuziziritsa, koma ndi tchipisi ta GPU ndi GDDR5 m'malo mwa GDDR6. .

GPU pa bolodi la GIGABYTE GeForce GTX 1660 OC idasinthidwa kale. Ngakhale sitingadziwe zenizeni za ma frequency ake ovotera mpaka nkhaniyo itasindikizidwa, wopanga akalemba kufotokozera kwatsopano patsamba lake, zikuwonekeratu kuchokera kumayendedwe oziziritsa ochepa kuti overclocking pano ndi yophiphiritsa. . Ndipo GIGABYTE adaphimba mtundu wakale ndi 30 MHz yokha.

Mapangidwe a GIGABYTE GeForce GTX 1660 OC akuwonetsa zizindikilo zachuma ponseponse. Khadi la kanema lilibe ngakhale kuwala kosavuta kwambiri, osatchula ma RGB LED okhala ndi makonda osinthika komanso kuthekera kolumikiza mizere ya LED. Chophimbacho, chomwe chimapangidwa ndi pulasitiki, chimatsekera PCB mbali zitatu, kubisala kukula kwa PCB.

Dongosolo lozizira ndilosavuta kwambiri: kutentha kwa GPU ndi tchipisi ta RAM kumatayidwa ndi radiator ya aluminiyamu, ndipo gawo lokhalo lamkuwa ndi chitoliro cha kutentha chomwe chimadutsa pansi pake. Komabe, kuzizira kwa GIGABYTE GeForce GTX 1660 OC sikuli kopanda kusintha kwina. Choncho, rediyeta ali protrusion kukhudzana ndi munda-zowonjezera transistors ndi voteji chowongolera kutsamwitsa, ndi mafani awiri ndi awiri a 87 mm atembenuza mbali zosiyana - motero kuchepetsa chipwirikiti kuyenda kwa mpweya.

Phukusi la phukusi la GIGABYTE GeForce GTX 1660 OC ndilosavuta momwe mungathere: kuwonjezera pa khadi la kanema palokha, bokosilo lili ndi malangizo a mapepala ndi pulogalamu ya pulogalamu.

GIGABYTE GeForce GTX 1660 OC: PCB

Kutengera PCB yomwe imagwiritsidwa ntchito mu GeForce GTX 1660, GIGABYTE yatulutsa kale zida zina zambiri, kuchokera ku GeForce GTX 1660 Ti kupita ku GeForce RTX 2070. Mitundu iyi imaphatikizapo ma GPU osiyanasiyana (TU116, TU106) ndi mitundu iwiri ya RAM. tchipisi (GDDR5 ndi GDDR6) n'zogwirizana ndi magetsi, ndipo miyeso yaying'ono ya PCB idapangitsa kuti zitheke kupanga zida zonse ziwiri zazikulu komanso makhadi apakanema a Mini ITX form factor.

PCB iyi imatha kuvomereza magawo asanu ndi atatu amagetsi owongolera magetsi, koma kugwiritsa ntchito mphamvu kwa zida zozikidwa pa TU116 ndi TU106 kumachokera ku 120 mpaka 175 W (malinga ndi mafotokozedwe ofotokozera), kotero kuti chowonjezera chotsika chimakhutira ndi magawo asanu ndi limodzi. VRM: magawo anayi amatumikira GPU ndi awiri - microcircuits kukumbukira mwachisawawa. Chifukwa cha ubale wake ndi akale akale a banja la Turing, chatsopanocho chili ndi ma transistors ogwira ntchito m'munda okhala ndi dalaivala wophatikizika (omwe amatchedwa DrMOS kapena "magawo amagetsi" - magawo amagetsi), omwe amapereka magwiridwe antchito apamwamba komanso Wowongolera wa VRM PWM kuti alembe molondola voteji pakukhetsa kwa ma transistors.

Ngakhale chowongolera chowonetsera cha TU116 ndi chogwirizana ndi DVI, GIGABYTE yasankha zolumikizira zitatu za DisplayPort ndi chotulutsa chimodzi cha HDMI. Koma GeForce GTX 3.1 ndi GTX 2 Ti ndizosowa mawonekedwe a USB 1660 Gen 1660 ndi chithandizo cha DisplayLink protocol. Mapadi olumikizirana owunikira ma voltages ndi ma voltmode a hardware, chipangizo chosungira BIOS ndi zinthu zina zofananira nazonso, palibe pano.

Source: 3dnews.ru