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Old 27-10-2009, 14:23   #1
Costello
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Default hd 4850 vs hd 4870

salut
as dori sa stiu care ar fi diferenta de performanta intre un hd4850 512mb, si un hd 4870 512 mb, pe un monitor de 22" wide

sa stiu dak merita diferenta de pret pt hd 4870, sau sa iau hd 4850 si sa mai astept pt un upgrade in viitor

merci
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Old 27-10-2009, 14:27   #2
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Diferenta de performanta este ~10%, eu zic sa o cumperi pe aia mai rece, culmea este ca de regula HD4850 este mai fierbinte.
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Old 27-10-2009, 14:28   #3
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Daca ai bani de HD4870, nu face rabat aiurea. Cumpar-o.
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Old 27-10-2009, 17:03   #4
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diferenta la pret ar fi de 140 ron, ambele cu racire custom, asus hd 4870 dark knight, si un gigabyte hd 4850 zalman
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Old 27-10-2009, 17:07   #5
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GTX260 la 6.5 mil.E Asus cu PCB negru si racire custom la PCG.
http://www.pcgarage.ro/placi-video/a...-plus-fansink/
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Old 27-10-2009, 17:11   #6
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cred ca e un gtx 260 mai bun ca acela, in aceeasi bani, dar aici e vorba de altceva
hd 4850 gigabyte zalman la 450 ron
vs
hd 4870 asus dark knight la 590 ron
ambele cu 512 mb, in momentul asta conteaza cei 140 de ron, de asta am cerut pareri, pentru ca dak nu e diferenta asa mare in rezolutie maxima pe un 22" wide, raman pe hd 4850
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Old 27-10-2009, 17:17   #7
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Acuma depinde ce intelegi tu prin diferenta mare!
Iti dau un exemplu:in 3dmark vantage exista o diferenta de 1500-1800 pct intre cele doua placi.
Daca ai bani merita HD4870,am si eu o astfel de jucarie si se descurca de minune la 1680x1050.
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Old 27-10-2009, 17:25   #8
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diferenta in jocuri, ca nu ma intereseaza ca scoate 1000 pcte in plus in nush ce test.
un exemplu, daca GRID se poate juca cu 4850 pe rez maxima cu totul pe full cel putin decent, atunci e ok
oricum din ce am vazut, hd 4850 este peste 9800gt/8800 gt, si pe mine asta ma intereseaza, cel putin egal cu 8800gt/9800 gt
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Old 27-10-2009, 19:35   #9
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Vezi ca GRID e un joc mai special: poti juca in 1920x1200 cu un 4850. Vezi aici.
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Old 06-11-2009, 22:49   #10
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Eu am avut 4850,4870 si acum 4890.Diferenta intre 4850 si 4870 in jocuri nu prea o sesizezi,doar daca joci la detalii maxime in Crysis,unde 4850 nu duce mai mult de 18fps-uri,iar 4870 are 25fps-uri.Alt avantaj al lui 4870 este fps-ul minim,in majoritatea jocurilor nu coboara atat de suparator,fata de un 4850 care la detalii maxime zici ca s-a blocat pc-ul.Diferenta de bani intre ele nu este asa de mare,dar eu te sfatuiesc sa astepti 5770.
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Old 07-11-2009, 05:46   #11
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Quote:
Originally Posted by Jocker View Post
.. culmea este ca de regula HD4850 este mai fierbinte.
Asta numai in cazul in care DDR3 e mai fierbinte decat DDR5, ceea ce ma cam indoiesc, cipsetul fiind acelasi pe ambele placi, din cate stiu (da, 4850 cu racire stock e mai fierbinte decat 4870 deoarece sistemul de racire este drastic subdimensionat, poate de aici inexactitatea).
Precum observ, conteaza suma, deci poti merge linistit pe 4850.
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Old 07-11-2009, 11:12   #12
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De ce nu vrei sa iei o ati 5770? O gasesti cu ~600 ron. La performante se apropie de 4870
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Old 07-11-2009, 11:35   #13
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Care costa mult mai putin. Mai ales un sh.
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Old 07-11-2009, 14:56   #14
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1) Diferenta de performanta intre 4850 si 4870 este de aproximativ 25-30%, in orice caz nu este de doar 10%.

2) 4850 consuma in full load 90-110W in timp ce 4870 consuma 40-60W mai mult deci e evident care e mai fierbinte, adica 4870, atata timp cat racirile sunt comparabile

3) In Crysis 4850 duce mult peste 18FPS cu toate detaliile la maxim in afara de AA.

http://www.mygarage.ro/364598-post72.html

Aici rezultate in in diferite situatii (detalii/rezolutie/aa/whatever). Oricum in situatia in care 4850 nu ruleaza cu minim 20FPS atunci nici 4870 nu o sa se descurce prea grozav, 25-30% aplicat la 20FPS nu o sa iti aduca un spor de performanta care sa transforme gameplay-ul in ceva jucabil. Oricum pe Gamer (high), 4850 iti asigura un gameplay fluent in Crysis Warhead pe 1680x1050. Poti da lejer si 2AA dar impactul asupra calitatii imaginii este foarte mic, AA-ul se simte din ce in ce mai putin la rezolutii mari. Cu ultimele drivere, un CPU bun si eventual putin OC la placa video scoti in jur de 25FPS media si in Enthusiast DX10 (very high) care este jucabil.

Last edited by eXactMat; 07-11-2009 at 14:59.
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Old 07-11-2009, 15:11   #15
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merci pentru informatii, dar au aparut niste probleme care au amanat data comenzii noului computer, si in functie de cat dureaza o sa revin pentru ajutorul vostru in alegerea celei mai bune configuratii

bft
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