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Gigabyte Radeon HD5570 1GB & Sapphire Radeon HD5570 1GB
25.03.2010.
    « Prev  : Stranica 1 od 4 :  Next »      By ::  Krešimir Matanović 
- Gigabyte HD5570 & Sapphire HD5570 -
Gigabyte HD5570 1GB

Kao što smo u uvodu spomenuli, ove kartice svoju namjenu traže u HTPC ili sličnim računalima smještenim u mala kućišta. Ipak, s obzirom da nisu hardverski jako oslabljene kao HD5450 modeli, ove kartice mogu poslužiti i za igranje. Odmah je potrebno naglasiti kako performanse neće biti sjajne, no i cijena ovih modela je niska. Gigabyte ovim modelom upravo i cilja na to tržište - tvornički je overclockirana, punog je profila, a ima i poveći dual-slot hladjak. Kartica dolazi u klasičnoj kartonskoj kutiji na kojoj se nalaze sve bitnije informacije. Unutar kutije je pakirana u antistatičku vrećicu te položena u zaštitni karton. Uz nju ne dolazi naročit bundle - tu je samo CD sa driverima i aplikacijama, te upute za korištenje.

Sam PCB je istih dimenzija kao i kod HD5670 kartice, no zato je Gigabyteov hladnjak znatno veći od onoga na referentnoj HD5670. To podrazumjeva i da će biti vrlo efikasan, a je li provjerili smo u testovima. HD5570 model pokreće usporeni Redwood čip koji kao i na HD5670 modelu ima 400 stream procesora, 20 teksturnih jedinica i 8 ROP-ova. Za razliku od jačeg modela na kojem kuca na 775MHz, na ovoj kartici radi na 650MHz. HD5670 koristi 512MB/1GB GDDR5 memorije brzine 1000MHz (4Gbps), dok je HD5570 opremljen sa 1GB DDR3 memorije brzine 900MHz (1800MHz efektivno). U oba je slučaja sabirnica 128-bitna. To znači kako je HD5570 izgubio otprilike 45% memorijskog bandwidtha u odnosu na jači model. Ovo, uz sporiji GPU će se zasigurno dosta odraziti na ukupne performanse. Potrošnja ovakve kartice pod opterećenjem ne bi smjela prelaziti 43W, dok je u stanju mirovanja oko 10W. Potrošnja je dakle vrlo niska pa nam i nije skroz jasno zašto je Gigabyte koristio ovako velik hladnjak. Istina, ovo je tvornički overclockirana kartica no GPU je ubrzan za samo 20MHz, tj. radi na 670MHz. Uz to, Gigabyte koristi i sporiju, 800MHz (1600MHz efektivno) Samsungovu 1.25ns GDDR3 memoriju. Video izlaza su klasična tri - HDMI, VGA i DVI. Kartica podržava UDV 2.0, no ovaj model, baš kao i HD5450 ne nudi neke od AMD-ovih post-processing značajki kada je ESVP (Enforce Smooth Video Playback) uključen u driverima. Zbog toga je HD5670 primjerenija HTPC upotrebi, no nažalost ona ne dolazi u low-profile izdanju.

 

Sapphire HD5570 1GB

Sapphireova kartica slijedi AMD-ove specifikacije pa je ovdje riječ o low-profile kartici, sa single-slot hladnjakom. Ova malena kartica dolazi u velikoj kutiji, i to dosta većoj od Gigabyteove. Uz nju će te u bundleu dobiti CD sa driverima, Arcsoftov SimHD softver za video konferencije te low-profile brackete. Kartica se nalazi u antistatičkoj kartici, te je dodatno položena u zaštitni karton. Na kutiji se nalaze sve važne informacije a s nje vas već po običaju promatra AMD-ova Ruby.

Hladnjak na kartici je vrlo malen no ventilator isto tako malenih dimenzija nije bučan niti prilikom najvećih opterećenja. Koliko je pak učinkovit provjerili smo u testovima. Sapphire je svoj model napravio po referentnim specifikacijama pa tako Redwood GPU kuca na 650MHz, a memorija na 900MHz (1800MHz efektivno). Memorija je baš kao i na Gigabyteovom modelu Samsungova, no ovaj puta je riječ o 1.1ns čipovima deklarirane brzine 900MHz. PCB je dugacak oko 16.6 cm i time je za oko 0.8 cm kraći od Gigabyteovog, a sa 7 cm visine je i za oko 4 cm niži. Time je osiguran smještaj kartice u vrlo mala kućišta.

Zbog činjenice da je ovo low-profile kartica, VGA utor je najgornji te je spojen preko kabel akoji se može otkopčati ukoliko ga ne želimo koristiti. Ukoliko ipak želimo, tu je specijalan, dodatni bracket samo za njega. Sapphire za razliku od Gigabytea korisnicima nudi Display Port što je za svaku pohvalu. Jasno je kako ova kartica cilja na HTPC upotrebu, no zbog već spomenutih nedostataka u driverima sa uključenim ESVP-om neće biti prvi izbor.



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