Kwanan nan NVIDIA ta fito da katin zane na GeForce GTX 1660 Ti dangane da sabon TU116 GPU, amma motsi na gine-ginen Turing zuwa na'urorin kasafin kuɗi bai ƙare ba tukuna. Tare da GTX 1660 Ti, kamfanin ya maye gurbin GeForce GTX 1070 tare da sabon salo kuma mafi araha tare da ƙarancin wutar lantarki, amma sabon GeForce GTX 1660 yana fuskantar wani ɗawainiya: don rufe rata a cikin kundin NVIDIA wanda har yanzu yana tsakanin GeForce GTX 1060 da GTX 1070 Kashi na ƙarshe, Radeon RX 590 ya zauna a cikin wannan rata, kuma Radeon RX 580, sakamakon haɓaka direba da canjin wasanni zuwa Direct3D 12, ya zama aƙalla madadin cancanta ga GeForce GTX 1060. Amma tare da sakin GTX 1660, GPUs "ja" suna da babban abokin hamayya a cikin babban nau'in katunan bidiyo na mabukaci, saboda sabon samfurin yana da rahusa fiye da Radeon RX 590 kuma yana da yuwuwar yin aiki.
Halayen fasaha, farashin
GeForce GTX 1660 ya dogara ne akan na'urar sarrafa hoto ta TU116 tare da raka'o'in ƙididdiga da aka kashe. Bambanci a cikin tsarin GPU tsakanin GTX 1660 da GTX 1660 Ti ya sauko zuwa masu sarrafa abubuwa masu yawa (SMs), waɗanda tare sun ƙunshi 128 32-bit CUDA cores da 8 mappers. Don haka, kayan aikin GeForce GTX 1660 ya sha wahala kawai 8,3% a cikin ayyukan iyo da texel cika ba tare da daidaitawa don saurin agogon GPU ba. Kuma mitoci, ta hanya, sun karu ne kawai a cikin ƙaramin ƙirar: NVIDIA ta haɓaka mitar tushe ta 30 MHz, da Agogon Boost ta 15 MHz.
Amma irin waɗannan canje-canje na dabara ba za su isa su bambance GeForce GTX 1660 da GTX 1660 Ti ba. Babban fasalin da ke raba samfuran biyu shine nau'in RAM. Yayin da gyaran Ti yana sanye da kwakwalwan kwamfuta na GDDR6 tare da bandwidth na 12 Gbps a kowane fil, GeForce GTX 1660 ya koma daidaitaccen GDDR5. Bugu da ƙari, GTX 1660 yana sanye da kwakwalwan kwamfuta tare da bandwidth na 8 Gbps, wanda ke nufin cewa dangane da jimlar bandwidth na ƙwaƙwalwar ajiya, sabon katin bidiyo ya cika cikakkun bayanai dalla-dalla na GeForce GTX 1060 tare da 6 GB RAM, da kuma sigogin baya. na GTX 1060 tare da 9 Gbps RAM har ma ya wuce GTX 1660 yana da wannan siga. Duk da haka, TU116 graphics processor, godiya ga ingantaccen launi, yana aiki tare da RAM da kyau.
Tun da ba saurin agogo ko tsarin GPU na GeForce GTX 1660 da GTX 1660 Ti ba su da bambanci sosai, kuma ƙaramin ƙirar kuma yana ɗaukar kwakwalwan RAM tare da babban amfani da wutar lantarki (idan aka kwatanta da GDDR6), ƙananan ƙarami biyu na dangin Turing suna da alaƙa. ta wurin ajiyar wutar lantarki guda ɗaya - 120 W .
Mun riga mun tattauna wasu halaye na guntu TU116 idan aka kwatanta da cikakkun wakilai na dangin Turing (TU106, TU104 da TU102) a cikin bita na GeForce GTX 1660 Ti, amma yana da kyau a mai da hankali kan mahimman abubuwan da suka sa TU116 yayi kama da tsofaffin kwatankwacinsa ko kuma, akasin haka, zana iyakar da ba za a iya tsallakewa tsakanin su ba. Gabaɗaya, TU116 yana fasalta duk sabbin abubuwan da NVIDIA ta aiwatar a cikin gine-ginen Turing, ban da muryoyin da ke yin Ray Tracing da nau'ikan nau'ikan tensor waɗanda ke yin lissafin FMA (Fused-Multiply Add) akan lissafin ainihin rabin-daidaitaccen matrices (FP16). ). Ana amfani da na ƙarshe da farko a cikin ayyukan koyan na'ura, lokacin da GPU ke ba da bayanai ta hanyar sadarwar jijiyoyi da aka riga aka kafa a gida ko kuma a gona mai nisa. Don haka, GeForce GTX 1660 da GTX 1660 Ti a lokaci guda sun rasa daidaituwa tare da duka DXR (Direct3D 12 tsawo don binciken ray) da fasahar DLSS, wanda ke ba da damar GPU don yin ragi tare da sikelin firam na gaba ta amfani da hanyar sadarwa ta jijiyoyi.
Maimakon raka'a tensor, NVIDIA ta samar da TU116 tare da nau'ikan nau'ikan nau'ikan nau'ikan nau'ikan CUDA 16-bit - ba su da saurin isa don gudanar da DLSS yadda ya kamata, amma akwai wasannin da ke amfani da daidaitattun ayyukan rabin-daidai a cikin lissafin shader (misali, Wolfenstein II). : Sabon Colossus), saboda wanda aikin GPUs masu dacewa (a halin yanzu Vega da Turing chips) yana ƙaruwa sosai. In ba haka ba, kuma, TU116 ya bambanta da tsofaffin kwakwalwan kwamfuta na danginsa kawai ta hanya mai ƙididdigewa, yana da duk ingantaccen bututun da ke cikin tsarin gine-ginen Turing, kuma yana goyan bayan ayyukan ma'amala na mallakar mallaka kamar VRS (Mai canza Rate Shading).
| Manufacturer | NVDIA | |||||
|---|---|---|---|---|---|---|
| Samfurin | GeForce GTX 1060 3 GB | GeForce GTX 1060 6 GB | GeForce GTX 1660 | GeForce GTX 1660 Ti | GeForce RTX 2060 | GeForce RTX 2070 |
| GPU | ||||||
| Title | GP106 | GP106 | TU116 | TU116 | TU106 | TU106 |
| micro Architecture | Pascal | Pascal | Turing | Turing | Turing | Turing |
| Fasahar aiwatarwa, nm | 16 nm FinFET | 16 nm FinFET | 12 nm FFN | 12 nm FFN | 12 nm FFN | 12 nm FFN |
| Yawan transistor, miliyan | 4 400 | 4400 | 6 600 | 6 600 | 10 800 | 10 800 |
| Mitar agogo, MHz: Agogon Tushe/Agogon Ƙarfafa | 1506/1708 | 1506/1708 | 1530/1785 | 1500/1770 | 1365/1680 | 1 / 410 (Buguwan Kafa: 1 / 620) |
| Yawan shader ALUs | 1152 | 1280 | 1408 | 1536 | 1920 | 2304 |
| Yawan raka'a taswirar rubutu | 72 | 80 | 88 | 96 | 120 | 144 |
| Lambar ROP | 48 | 48 | 48 | 48 | 48 | 64 |
| Yawan tensor cores | Babu | Babu | Babu | Babu | 240 | 288 |
| Adadin muryoyin RT | Babu | Babu | Babu | Babu | 30 | 36 |
| RAM | ||||||
| Faɗin bas, rago | 192 | 192 | 192 | 192 | 192 | 256 |
| Nau'in guntu | GDDR5 SDRAM | GDDR5 SDRAM | GDDR5 SDRAM | GDDR6 SDRAM | GDDR6 SDRAM | GDDR6 SDRAM |
| Mitar agogo, MHz (bandwidth kowace lamba, Mbit/s) | 2000 (8000) 2250 (9000) | 2000 (8000) 2250 (9000) | 2000 (8000) | 1 (500) | 1 (750) | 1 (750) |
| girma, MB | 3 096 | 6 144 | 6 144 | 6 144 | 6 144 | 8 192 |
| I/O bas | 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 |
| Yawan aiki | ||||||
| Babban aikin FP32, GFLOPS (dangane da matsakaicin ƙayyadaddun mitar) | 3935 | 4372 | 5027 | 5437 | 6451 | 7 / 465 (Buguwan Kafa) |
| Ayyukan FP32/FP64 | 1/32 | 1/32 | 1/32 | 1/32 | 1/32 | 1/32 |
| Ayyukan 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 |
| Fitowar hoto | ||||||
| Hanyoyin fitarwa na hoto | 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 (Buguwar Kafa) | |
| Farashin sayarwa (Amurka, ban da haraji), $ | 199 (an bada shawarar a lokacin saki) | 249 (an bada shawarar a saki) / 299 (Founders Edition, nvidia.com) | 229 (an ba da shawarar) | 279 (an ba da shawarar) | 349 (an shawarta) / 349 (Founders Edition, nvidia.com) | 499 (an shawarta) / 599 (Founders Edition, nvidia.com) |
| Farashin Retail (Rasha), rub. | ND | ND (an bada shawarar a lokacin saki) / 22 (Founders Edition, nvidia.ru) | 17 (an shawarta) | 22 (an shawarta) | ND (an shawarta) / 31 (Founders Edition, nvidia.ru) | ND (an shawarta) / 47 (Founders Edition, nvidia.ru) |
Ana iya kiran GeForce GTX 1660 na uku (bayan RTX 2060 da GTX 1660 Ti) magajin babban katin bidiyo na tsakiyar farashi a cikin dangin Pascal - GeForce GTX 1060. Amma idan kun rufe idanunku ga adadin RAM, to dangane da matsayinsa a cikin jeri ya kamata a daidaita sabon samfurin zuwa nau'in GeForce GTX 1060 tare da 3 GB na RAM. Idan aka kwatanta da na baya-bayan nan, GTX 1660 ba wai kawai yana da buffer mai ninki biyu ba, har ma yana da 27% ƙarin kayan aikin inuwa fiye da tsohuwar ƙirar, kamar 1660% GTX 24 Ti ya fi GTX 1060 cikakken cikakken aiki tare da 6GB na RAM. A lokaci guda kuma, NVIDIA ba ta yin watsi da manufofin farashi da dangin GeForce RTX 20 na katunan bidiyo suka tsara, wanda duk sabbin na'urori ke kashe mai siye fiye da kwatankwacinsu kai tsaye ta lambobin ƙira daga ƙarni na baya. Don haka GeForce GTX 1660 ya ci gaba da siyarwa akan farashin da aka ba da shawarar $229, kodayake GeForce GTX 1060 mai 3 GB na RAM ya fara akan $199.
Duban alamar farashin sabon samfurin, mutum zai iya sake yin fushi da kwadayin NVIDIA, idan ba don raunin abubuwan da AMD ke bayarwa ba, wanda, tare da zuwan tsarin gine-ginen Turing, ya bazu daga babba zuwa matsakaicin farashin. Don haka, mafi araha gyare-gyare na Radeon RX 590 (farashi daga $240 akan shafin yanar gizon newwegg.com) a halin yanzu sun fi na GeForce GTX 1660 tsada, kuma akan kasuwar Rasha, shawarar NVIDIA (17 rubles) ya sanya GTX 990 a cikin ƙananan ɓangaren kewayon, wanda samfurin AMD ya mamaye (daga 1660 rubles bisa ga market.yandex.ru).
Ba kamar sauran masu haɓakawa akan kwakwalwan Turing ba, gami da GeForce GTX 1660 Ti, GTX 1660 ba shi da masu fafatawa kai tsaye a cikin nasa sansanin. Samfuran jeri na 10 mafi kusa dangane da ƙayyadaddun bayanai da aiki - GeForce GTX 1060 6 GB da GeForce GTX 1070 - sun yi nisa da sabon samfur a farashi, kodayake na farko (kuma GTX 1060 ana siyar da shi a farashin farawa daga $209 ko 14). rubles) har yanzu za a yi jinkiri don ɗaukar wasu masu siye har sai ajiyar tsoffin kayan aikin NVIDIA da aka tara yayin haɓakar cryptocurrency ya ƙare.
GIGABYTE GeForce GTX 1660 OC: ƙira
Ra'ayi na farko na sabon katin zane a cikin ƙananan farashi da matsakaici (kuma, hakika, game da ƙira masu tsada ma) an fi yin su ta amfani da gyare-gyare mai sauƙi a matsayin misali, saboda waɗannan su ne waɗanda aka fi buƙata - sabanin " premium” iri dangane da GPU iri ɗaya, wanda a cikin farashi sau da yawa ke shiga cikin kewayon tsohuwar ƙirar mafi kusa. A wannan ma'anar, mun sake yin sa'a, saboda GeForce GTX 1660 tana wakiltar na'urar GIGABYTE da aka saki fiye da sanannen jerin WINDFORCE da AORUS. Ba za ku yi kuskure ba idan kun gane daga hotunan katin bidiyo iri ɗaya wanda muka gwada makonni uku da suka gabata a cikin GeForce GTX 1660 Ti bita - yana amfani da allon kewayawa iri ɗaya da sanyaya, amma tare da kwakwalwan GPU daban-daban da GDDR5 maimakon GDDR6. .
GPU akan allon GIGABYTE GeForce GTX 1660 OC an riga an rufe shi. Ko da yake ba za mu san ainihin bayanai game da mitoci da aka ƙididdige su ba har sai an buga labarin, lokacin da masana'anta suka sanya bayanin sabbin samfuran a gidan yanar gizon nasa, ya riga ya bayyana daga tsarin sanyaya mai sauƙi cewa overclocking a nan alama ce kawai. . Kuma GIGABYTE ya mamaye tsohuwar ƙirar ta 30 MHz kawai.
Tsarin GIGABYTE GeForce GTX 1660 OC yana nuna alamun tattalin arziki a duk faɗin. Katin bidiyo ya rasa ko da mafi sauƙin hasken baya, ban da RGB LEDs tare da tint ɗin da za a iya daidaitawa da ikon haɗa igiyoyin LED. Gidan, wanda aka yi shi gabaɗaya da filastik, yana rufe PCB ta bangarori uku, yana ɓoye ƙananan girman PCB.
Hakanan tsarin sanyaya yana da sauƙi mai sauƙi: zafin GPU da kwakwalwan RAM suna ba da su ta hanyar ladiator na aluminum, kuma ɓangaren jan ƙarfe kawai shine bututun zafi da ke wucewa ta tushe. Koyaya, mai sanyaya GIGABYTE GeForce GTX 1660 OC baya tare da wasu haɓakawa. Don haka, na'urar radiyo tana da haɓakawa a cikin hulɗa da transistor masu tasiri na filin da masu sarrafa wutar lantarki, kuma magoya baya biyu masu diamita na 87 mm suna jujjuya su a wasu wurare - don haka rage tashin hankali na iska.
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Kunshin fakitin GIGABYTE GeForce GTX 1660 OC yana da ascetic kamar yadda zai yiwu: ban da katin bidiyo da kansa, akwatin ya ƙunshi umarnin takarda kawai da diski na software.
GIGABYTE GeForce GTX 1660 OC: PCB
Dangane da PCB da aka yi amfani da shi a cikin GeForce GTX 1660, GIGABYTE ya riga ya samar da wasu na'urori masu yawa, daga GeForce GTX 1660 Ti zuwa GeForce RTX 2070. Wannan kewayon samfuran ya haɗa da GPUs daban-daban (TU116, TU106) da nau'ikan RAM guda biyu. kwakwalwan kwamfuta (GDDR5 da GDDR6) sun dace da lantarki, kuma ƙananan girman PCB sun sa ya yiwu a samar da na'urori biyu na daidaitattun ma'auni da ƙananan katunan bidiyo na Mini ITX form factor.
Wannan PCB na iya karɓar abubuwan da aka gyara don matakai takwas na mai sarrafa wutar lantarki, amma ƙarfin amfani da na'urori dangane da TU116 da TU106 ya tashi daga 120 zuwa 175 W (bisa ga ƙayyadaddun bayanai), don haka ƙaramar ƙararrawa tana da abun ciki tare da matakai shida. VRM: matakai hudu suna hidimar GPU da biyu - microcircuits bazuwar damar ƙwaƙwalwar ajiya. Saboda da dangantaka da tsofaffi model na Turing iyali, da sabon samfurin sanye take da filin-tasiri transistor tare da hadedde direba (abin da ake kira DrMOS ko "ikon matakan" - iko matakan), wanda ya samar da high dace da kuma ba da damar. Mai sarrafa VRM PWM don yin rikodin daidaitaccen ƙarfin lantarki a magudanar transistor.
Kodayake mai sarrafa nuni na TU116 ya dace da DVI, GIGABYTE ya zaɓi masu haɗin DisplayPort guda uku da fitowar HDMI guda ɗaya. Amma GeForce GTX 3.1 da GTX 2 Ti an hana su daga kebul na 1660 Gen 1660 ke dubawa tare da goyan bayan ka'idar DisplayLink. Abubuwan tuntuɓar don sa ido kan ƙarfin lantarki da voltmode hardware, guntu na BIOS da sauran abubuwan more rayuwa iri ɗaya suma, ba su nan a nan.
source: 3dnews.ru