Ka mor'a hore NVIDIA e bontše nako ea sebele ea ray ho latela likarete tsa video tsa GeForce RTX, ho thata ho belaela hore theknoloji ena (ka mokhoa o utloahalang hammoho le rasterization algorithm) ke bokamoso ba lipapali tsa k'homphieutha. Leha ho le joalo, li-GPU tse ipapisitseng le meralo ea Turing e nang le li-cores tse khethehileng tsa RT li ne li nkuoa e le tsona feela sehlopha sa li-GPU tse nang le matla a komporo a loketseng sena.
Joalo ka ha liteko tsa lipapali tsa pele tse atlehileng ho tseba Ray Tracing (Battlefield V, Metro Exodus le Shadow of the Tomb Raider) li bonts'itse, esita le li-accelerator tsa GeForce RTX (haholo-holo tse nyane ho tsona, RTX 2060) li na le phokotseho e kholo ea litefiso tsa foreimi. mesebetsi ea ho fana ka lebasetere. Leha ho bile le katleho ea pele, ho latela mahlaseli a nako ea nnete ha e so thekenoloji e holileng. Ke feela ha e se feela lisebelisoa tse tsoetseng pele le tse theko e boima, empa le likarete tsa litšoantšo tse bohareng ba marang-rang li fihlella litekanyetso tse ts'oanang tsa ts'ebetso papaling e ncha ea lipapali, moo ho ka khonehang ho phatlalatsa hore phetoho ea paradigm e qalileng ke k'hamphani ea Jensen Huang e se e etsahetse.
Ray tracing ho Pascals - melemo le boiketlo
Empa joale, leha ho se lentsoe le builoeng mabapi le mohlahlami oa ka moso oa moaho oa Turing, NVIDIA e nkile qeto ea ho khothaletsa tsoelo-pele. Ketsahalong ea Seboka sa GPU Technology khoeling e fetileng, sehlopha se setala se phatlalalitse hore li-accelerator tsa li-chips tsa Pascal, hammoho le litho tse tlase tsa lelapa la Turing (letoto la GeForce GTX 16), li tla fumana ts'ebetso ea nako ea nnete ea ho latela marang-rang ka RTX. - lihlahisoa tsa branded. Kajeno, mokhanni ea tšepisitsoeng a se a ntse a ka khoasolloa webosaeteng ea semmuso ea NVIDIA, 'me lenane la lisebelisoa le kenyelletsa mefuta ea lelapa la GeForce 10, ho qala ka GeForce GTX 1060 (phetolelo ea 6 GB), setsebi sa TITAN V accelerator ho Volta chip, 'me, ehlile, mefuta e sa tsoa fihla sehlopheng sa theko e bohareng ho chip TU116 - GeForce GTX 1660 le GTX 1660 Ti. Ntlafatso e boetse e amme lilaptop tse nang le li-GPU tse tsamaellanang.
Ho ea ka pono ea tekheniki, ha ho letho le phahametseng tlhaho mona. Li-GPU tse nang le li-unit tsa shader tse kopaneng li ile tsa khona ho etsa Ray Tracing nako e telele pele ho fihla moaho oa Turing, le hoja ka nako eo li ne li sa potlake ka ho lekaneng hore bokhoni bona bo hlokehe lipapaling. Ntle le moo, ho ne ho se na maemo a ts'oanang a mekhoa ea software, ntle le li-API tse koetsoeng joalo ka mong'a NVIDIA OptiX. Kaha joale ho na le katoloso ea DXR bakeng sa Direct3D 12 le lilaebrari tse ts'oanang ho sebopeho sa lenaneo la Vulkan, enjene ea papali e ka li fihlela ho sa tsotelehe hore na GPU e na le mohopolo o ikhethileng, ha feela mokhanni a fana ka bokhoni bona. Li-chips tsa Turing li na le li-cores tse arohaneng tsa RT bakeng sa morero ona, 'me ho processor ea meralo ea Pascal GPU le TU116, ho ts'oaroa ha ray ho kengoa ts'ebetsong ka sebopeho sa komporo ea sepheo se akaretsang ho mefuta e mengata ea shader ALUs.
Leha ho le joalo, ntho e 'ngoe le e' ngoe eo re e tsebang ka meralo ea Turing e tsoang ho NVIDIA ka boeona e fana ka maikutlo a hore Pascal ha e tšoanelehe bakeng sa lits'ebetso tse lumelloang ke DXR. Phatlalatsong ea selemo se fetileng e nehetsoeng ho mefuta e metle ea lelapa la Turing - GeForce RTX 2080 le RTX 2080 Ti - lienjiniere li hlahisitse lipalo tse latelang. Haeba u lahlela lisebelisoa tsohle tsa karete ea litšoantšo e ntle ka ho fetisisa ea bareki ea moloko oa ho qetela - GeForce GTX 1080 Ti - lipalong tsa ray tracing, ts'ebetso e hlahisoang e ke ke ea feta 11% ea seo RTX 2080 Ti e khonang ho se etsa. Ntho ea bohlokoa ka ho tšoanang ke hore li-cores tsa mahala tsa CUDA tsa chip ea Turing ka nako e ts'oanang li ka sebelisoa bakeng sa ts'ebetso e ts'oanang ea likarolo tse ling tsa setšoantšo - ts'ebetso ea mananeo a shader, letoto la lipalo tse sa hlakileng tsa Direct3D nakong ea ts'ebetso ea asynchronous, joalo-joalo.
Lipapaling tsa 'nete, boemo bo rarahane le ho feta, hobane ho baetsi ba lisebelisoa tse teng ba sebelisa mesebetsi ea DXR ka litekanyetso, mme karolo ea tau ea mojaro oa komporo e ntse e tšoaretsoe ke rasterization le litaelo tsa shader. Ntle le moo, tse ling tsa litlamorao tse fapaneng tse hlahisoang ho sebelisoa ray tracing le tsona li ka etsoa hantle ho li-cores tsa CUDA tsa li-chips tsa Pascal. Mohlala, bokaholimo ba liipone ho Battlefield V ha bo bolele ho bonahatsa mahlaseli a bobeli, ka hona ke mojaro o ka khonehang bakeng sa likarete tse matla tsa video tsa moloko o fetileng. Hoa tšoana le ho moriti oa Shadow of the Tomb Raider, le hoja ho fana ka meriti e rarahaneng e entsoeng ke mehloli e mengata ea leseli e se e ntse e le mosebetsi o boima le ho feta. Empa ho phatlalatsoa ha Metro Exodus lefatšeng ka bophara ho thata esita le ho Turing, ’me ho ke ke ha lebelloa hore Pascal a hlahise liphello tse tšoanang ho isa tekanyong leha e le efe.
Eng kapa eng eo motho a ka e buang, re bua ka phapang e mengata ea ts'ebetso ea theory pakeng tsa baemeli ba meralo ea Turing le li-analogue tsa bona tse haufi-ufi ho Pascal silicon. Ho feta moo, eseng feela boteng ba li-cores tsa RT, empa hape le lintlafatso tse ngata tse akaretsang tsa li-accelerator tsa moloko o mocha li bapala molemong oa Turing. Ka hona, li-chips tsa Turing li ka etsa ts'ebetso e ts'oanang ho data ea 'nete (FP32) le integer (INT), li na le mohopolo o mongata oa cache ea lehae le li-cores tsa CUDA tse arohaneng bakeng sa lipalo tse fokotsehileng (FP16). Sena sohle se bolela hore Turing ha e sebetse feela mananeo a shader hamolemo, empa e ka boela ea kopanya ray tracing ka mokhoa o atlehileng ntle le li-blocks tse khethehileng. Ntle le moo, ke eng e etsang hore ho sebelisa Ray Tracing ho be le lisebelisoa tse ngata ha se feela ebile ha se taba ea ho batla mateano lipakeng tsa mahlaseli le likarolo tsa geometry (tseo RT cores li li etsang), empa ke palo ea mebala sebakeng sa mateano (shading). 'Me ka tsela, melemo e thathamisitsoeng ea meralo ea Turing e sebetsa ka botlalo ho GeForce GTX 1660 le GTX 1660 Ti, leha chip ea TU116 e se na RT cores, kahoo liteko tsa likarete tsena tsa video tse nang le software ray tracing li khahla haholo.
Empa khopolo e lekaneng, hobane re se re bokelletse lintlha tsa ts'ebetso ea "Pascals" (hammoho le "Turings" e monyenyane) Battlefield V, Metro Exodus le Shadow of the Tomb Raider ho latela litekanyo tsa rona. Hlokomela hore ha ho mokhanni kapa lipapali ka botsona tse fetolang palo ea mahlaseli e le ho fokotsa mojaro ho li-GPU ntle le li-cores tsa RT, ho bolelang hore boleng ba litlamorao ho GeForce GTX le GeForce RTX bo lokela ho tšoana.
Teko ea teko, mokhoa oa ho hlahloba
| teko ea teko | |
|---|---|
| CPU | Intel Core i9-9900K (4,9 GHz, 4,8 GHz AVX, maqhubu a tsitsitseng) |
| Boto ea bo-mme | ASUS MAXIMUS XI SEHLOOHO |
| RAM | G.Skill Trident Z RGB F4-3200C14D-16GTZR, 2 x 8 GB (3200 MHz, CL14) |
| ROM | Intel SSD 760p, 1024 GB |
| Motlakase oa thepa | Corsair AX1200i, 1200 W |
| Sistimi ea ho futhumatsa ea CPU | Corsair Hydro Series H115i |
| Matlo | Bench ea Tlhahlobo ea CoolerMaster V1.0 |
| Monitor | Setšoantšo sa NEC EA244UHD |
| tshebetso ya ho sebetsa | Windows 10 Pro x64 |
| NVIDIA GPU software | |
| NVIDIA GeForce RTX 20 | NVIDIA GeForce Game Ready Driver 419.67 |
| NVIDIA GeForce GTX 10/16 | NVIDIA GeForce Game Ready Driver 425.31 |
| Liteko tsa lipapali | ||||
|---|---|---|---|---|
| Papali | API | Litlhophiso, mokhoa oa ho hlahloba | Anti-aliasing skrineng se felletseng | |
| 1920 × 1080 / 2560 × 1440 | 3840 × 2160 | |||
| Sebaka sa ntoa V | go bo directx 12 | OCAT, thomo ea Liberte. Max. Grafiken boleng | TAA Holimo | TAA Holimo |
| Metro Exoda | go bo directx 12 | Benchmark e hahiloeng. Ultra Graphics Quality Profile | TAA | TAA |
| Setšoantšo sa Tomb Raider | go bo directx 12 | Benchmark e hahiloeng. Max. Grafiken boleng | SMAA 4x | Tima |
Lipontšo tsa litekanyetso tsa liforeimi tse mahareng le tse tlase li tsoa lethathamong la linako tsa ho fana tsa liforeimi ka bomong, tse rekotiloeng ke benchmark e hahelletsoeng (Metro Exodus, Shadow of the Tomb Raider) kapa ts'ebeliso ea OCAT, haeba papali e se na eona. (Lebala la ntoa V).
Kakaretso ea sekhahla sa foreimi lichate ke nako e fapaneng ea nako ea foreimi. Ho hakanya bonyane ba sekhahla sa foreimi, palo ea liforeimi tse entsoeng motsotsong o mong le o mong oa teko ea baloa. Ho tsoa lethathamong lena la linomoro, boleng bo tsamaellanang le 1st percentile ea kabo bo khethiloe.
Barupeluoa ba liteko
Likarete tse latelang tsa video li nkile karolo litekong tsa ts'ebetso:
- Khatiso ea NVIDIA GeForce RTX 2080 Ti Founders (1350/14000 MHz, 11 GB);
- Khatiso ea NVIDIA GeForce GTX 2080 Founders (1515/14000 MHz, 8 GB);
- Khatiso ea NVIDIA GeForce RTX 2070 Founders (1410/14000 MHz, 8 GB);
- Khatiso ea NVIDIA GeForce RTX 2060 Founders (1365/14000 MHz, 6 GB);
- NVIDIA GeForce GTX 1660 Ti (6 GB);
- NVIDIA GeForce GTX 1660 (6 GB);
- NVIDIA GeForce GTX 1080 Ti (1480/11000 MHz, 11 GB);
- NVIDIA GeForce GTX 1080 (1607/10000 MHz, 8 GB);
- NVIDIA GeForce GTX 1070 Ti (1608/8008 MHz, 8 GB);
- NVIDIA GeForce GTX 1070 (1506/8008 MHz, 8 GB);
- NVIDIA GeForce GTX 1060 (1506/9000 MHz, 6 GB).
Sebaka sa ntoa V
Ka lebaka la hore Battlefield V ka boeona ke papali e bobebe hantle (haholo-holo ka mekhoa ea 1080p le 1440p), 'me e sebelisa ray tracing ka li-patches, ho leka letoto la GeForce 10 ka khetho ea DXR e hlahisitse litholoana tse khothatsang. Leha ho le joalo, ho mefuta eohle e se nang tšehetso ea Ray Tracing boemong ba silicon, re ile ra tlameha ho ipehela meeli ho mehlala ea GTX 1070/1070 Ti le GTX 1080/1080 Ti. Lipapali tsa Electronic Arts li arabela ka lipelaelo liphetohong tsa khafetsa tsa tlhophiso ea hardware le ho thibela mosebelisi nako ea letsatsi le le leng kapa a 'maloa. Ka hona, litekanyo tsa ts'ebetso ea GeForce GTX 1060 le lisebelisoa tse peli tsa GeForce GTX 16 li tla hlaha sehloohong sena hamorao, hang ha Ntoa ea V e tlosa lithibelo mochine oa rona oa teko.
Ho latela liperesente, mang kapa mang oa bankakarolo tekong o bile le phokotseho e ts'oanang ea ts'ebetso ho litlhophiso tse fapaneng tsa boleng ba ray, ho sa tsotelehe qeto ea skrineng. Ka hona, ts'ebetso ea likarete tsa video tlas'a letšoao la GeForce RTX 20 e fokotseha ka 28-43% ka liphello tse tlaase le tse mahareng tsa DXR, le 37-53% ka boleng bo phahameng le bo phahameng.
Haeba re bua ka mefuta ea khale ea lelapa la GeForce 10, joale maemong a Low le Medium ray tracing papali e lahleheloa ke 36 ho isa ho 42% ea FPS, 'me ka boleng bo holimo (High and Ultra setting) DXR e se e ntse e ja 54-67. % ea sekhahla sa foreimi. Hlokomela hore lipapaling tse ngata, haeba e se tse ngata, Battlefield V ha ho na phapang e hlokomelehang lipakeng tsa maemo a tlase le a mahareng, kapa lipakeng tsa Phahameng le Ultra, ho latela ho hlaka kapa ts'ebetso ea setšoantšo. Ka tšepo ea hore li-GPU tsa Pascal li tla ba le kutloelo-bohloko ho boemo bona, re ile ra etsa liteko maemong ohle a mane. Ka 'nete, liphapang tse itseng li ile tsa hlaha, empa feela ka qeto ea 2160p le ka hare ho 6% FPS.
Ka mantsoe a felletseng, leha e le efe ea li-accelerator tsa khale ho li-chips tsa Pascal li ka boloka litefiso tsa foreimi ka holimo ho 60 FPS ka mokhoa oa 1080p ka boleng bo fokotsehileng ba ho bonahatsa, 'me GeForce GTX 1080 Ti e batla sephetho se tšoanang le ha e latela boemo bo phahameng. Empa hang ha u fallela ho qeto ea 1440p, ke GeForce GTX 1080 feela le GTX 1080 Ti e fanang ka sebopeho se phutholohileng sa 60 FPS kapa se phahameng ka boleng bo tlaase kapa bo Bohareng ba ho latela ray, 'me ka mokhoa oa 4K, ha ho karete ea moloko o fetileng e nang le matla a loketseng a k'homphieutha. joalo ka, ka 'nete, Turing efe kapa efe ntle le folakha ea GeForce RTX 2080 Ti).
Haeba re batla ho tšoana pakeng tsa li-accelerator tse khethehileng tlas'a lihlahisoa tsa GeForce GTX 10 le GeForce RTX 20, joale ke mohlala o motle ka ho fetisisa oa moloko o fetileng (GeForce GTX 1080 Ti), e leng analogue ea GeForce RTX 2080 mesebetsing e tloaelehileng ea ho fana ntle le DXR, e theohetse boemong ba GeForce RTX 2070 ka ho fokotseha ha boleng ba marang-rang, 'me maemong a phahameng e ka loana feela le GeForce RTX 2060.
| Sebaka sa ntoa V, max. Boleng | |||||
|---|---|---|---|---|---|
| 1920×1080 TAA | |||||
| RT E tima | RT e tlase | RT Medium | RT e phahameng | RT maqhubu | |
| NVIDIA GeForce RTX 2080 Ti FE (11 GB) | 100% | -28% | -28% | -37% | -39% |
| NVIDIA GeForce RTX 2080 FE (8 GB) | 100% | -34% | -35% | -43% | -44% |
| NVIDIA GeForce RTX 2070 FE (8 GB) | 100% | -35% | -36% | -46% | -45% |
| NVIDIA GeForce RTX 2060 FE (6 GB) | 100% | -42% | -43% | -50% | -51% |
| NVIDIA GeForce GTX 1660 Ti (6 GB) | 100% | ND | ND | ND | ND |
| NVIDIA GeForce GTX 1660 (6 GB) | 100% | ND | ND | ND | ND |
| NVIDIA GeForce GTX 1080 Ti (11 GB) | 100% | -40% | -39% | -54% | -58% |
| NVIDIA GeForce GTX 1080 (8 GB) | 100% | -41% | -41% | -57% | -61% |
| NVIDIA GeForce GTX 1070 Ti (8 GB) | 100% | -40% | -41% | -57% | -59% |
| NVIDIA GeForce GTX 1070 (8 GB) | 100% | -38% | -39% | -57% | -61% |
| NVIDIA GeForce GTX 1060 (6 GB) | 100% | ND | ND | ND | ND |
| Sebaka sa ntoa V, max. Boleng | |||||
|---|---|---|---|---|---|
| 2560×1440 TAA | |||||
| RT E tima | RT e tlase | RT Medium | RT e phahameng | RT maqhubu | |
| NVIDIA GeForce RTX 2080 Ti FE (11 GB) | 100% | -33% | -34% | -44% | -45% |
| NVIDIA GeForce RTX 2080 FE (8 GB) | 100% | -37% | -38% | -47% | -49% |
| NVIDIA GeForce RTX 2070 FE (8 GB) | 100% | -36% | -36% | -48% | -48% |
| NVIDIA GeForce RTX 2060 FE (6 GB) | 100% | -41% | -42% | -51% | -52% |
| NVIDIA GeForce GTX 1660 Ti (6 GB) | 100% | ND | ND | ND | ND |
| NVIDIA GeForce GTX 1660 (6 GB) | 100% | ND | ND | ND | ND |
| NVIDIA GeForce GTX 1080 Ti (11 GB) | 100% | -40% | -40% | -59% | -62% |
| NVIDIA GeForce GTX 1080 (8 GB) | 100% | -36% | -39% | -59% | -63% |
| NVIDIA GeForce GTX 1070 Ti (8 GB) | 100% | -39% | -39% | -58% | -62% |
| NVIDIA GeForce GTX 1070 (8 GB) | 100% | -38% | -38% | -59% | -63% |
| NVIDIA GeForce GTX 1060 (6 GB) | 100% | ND | ND | ND | ND |
| Sebaka sa ntoa V, max. Boleng | |||||
|---|---|---|---|---|---|
| 3840×2160 TAA | |||||
| RT E tima | RT e tlase | RT Medium | RT e phahameng | RT maqhubu | |
| NVIDIA GeForce RTX 2080 Ti FE (11 GB) | 100% | -30% | -30% | -44% | -47% |
| NVIDIA GeForce RTX 2080 FE (8 GB) | 100% | -31% | -32% | -46% | -49% |
| NVIDIA GeForce RTX 2070 FE (8 GB) | 100% | -40% | -38% | -53% | -52% |
| NVIDIA GeForce RTX 2060 FE (6 GB) | 100% | -28% | -30% | -44% | -53% |
| NVIDIA GeForce GTX 1660 Ti (6 GB) | 100% | ND | ND | ND | ND |
| NVIDIA GeForce GTX 1660 (6 GB) | 100% | ND | ND | ND | ND |
| NVIDIA GeForce GTX 1080 Ti (11 GB) | 100% | -36% | -37% | -60% | -63% |
| NVIDIA GeForce GTX 1080 (8 GB) | 100% | -40% | -43% | -64% | -67% |
| NVIDIA GeForce GTX 1070 Ti (8 GB) | 100% | -38% | -42% | -62% | -65% |
| NVIDIA GeForce GTX 1070 (8 GB) | 100% | -36% | -42% | -63% | -66% |
| NVIDIA GeForce GTX 1060 (6 GB) | 100% | ND | ND | ND | ND |
Source: 3dnews.ru