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Old 10-07-2013, 11:11   #1
rage fuury
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Default Radeon 7970- studiu de overclocking

La sugestia lui Tudor am schimbat "ambalajul" studiului de overclocking pentru Radeon 7970

Platforma de test:
-cpu:core i7 [email protected] 4400MHz
-Motherboard:Asus Sabertooth Z77
-RAM: Team Group Extreme [email protected]
-Power Supply:Corsair AX850
-Videocard: Powercolor Radeon 7970 925/5500MHz
-Monitor NEC2690WUXI 1920x1200

Software used:Win7-64/ Catalyst 12.6beta/ integrated benchmark tools

Rezultatele obtinute sunt urmatoarele:






Am plecat de la 925/5000MHz- considerati aceste valori ca baza...
Ce tine de memorie a fost reprezentat cu albastru, ce tine de nucleu cu rosu...Pentru conventienta, numarul de fps-uri (cu verde in grafice) e inmultit cu 100, asadar 4150 pe grafic inseamna 41.5fps, 10380 pe grafic inseamna 103.8fps, s.am.d.; Toate bench-urile au fost facute la rezolutia nativa a monitorului meu (1920x1200) cu setarile maxime de calitate din joc (Ultra/ Very High) iar tipul de AA utilizat e notat in grafice...
Asa cum am mai spus in alt thread, scopul acestor teste nu a fost sa determin cat de sus se poate overclock-a acest Radeon 7970 (de altfel "quite promising": ASIC 80%-vezi attachment; stock VCore=1.11V ) ci acela de a vedea care e impactul overclockingului memoriei video si al nucleului asupra performantei...





Concluzii:
Rezultatele obtinute arata ca sporul de performanta obtinut prin overclokigul memoriei nu e foarte mare (3.7% media in cele 9 jocuri testate, cu un max de 5.67% in Metro Last Light ); In schimb performanta scaleaza foarte bine cu cresterea frecventei nucleului- se poate obtine aproape 10% spor de performanta cu 15% Gpu-ovck si respectiv un spor de 14% cu 20% Gpu- ovck; Cu toate acestea, studiul arata ca overclockingul memoriei este necesar pentru a avea o scalare aproape perfecta la overclocking: 17.7% performance scaling for a 20%core&memory overclocking (ultimul grafic)- Impresive!

PS: Daca cineva vrea sa utilizeze rezultatele studiului meu sau formatul folosit, p.m. me...
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Last edited by rage fuury; 13-11-2013 at 10:38.
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Old 11-04-2016, 22:25   #2
Marius Titulescu
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Salut.
As fi interesat de rezultatele studiului.
Imi poti trimite prin PM?
Multumesc anticipat!

Last edited by Monstru; 23-11-2016 at 15:00.
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