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CPU obračun: Sempron 3100+, Athlon 64 2800+ i Pentium 4 M520
21.10.2004.
    « Prev  : Stranica 2 od 9 :  Next »      By ::  Ozren Žagmešter 
- Usporedba "na papiru" -

Athlon 64 2800+ procesor sa Sempronom 3100+ dijeli isti radni takt (1.8GHz). Što se razlika tiče, tu je osim podrške za 64-bitne instrukcije i nešto više L2 cachea - 512kB. Većina Athlon 64 procesora trenutno na tržištu ima 512kB L2 cache memorije iako su prvi modeli (3200+ i 3400+) imali 1MB ove memorije. Trenutno ti procesori nisu baš lako nabavljivi a njihovi nasljednici sa istim indeksom brzine razliku nadoknađuju sa višim taktom. Tako novi Athlon 64 3200+ procesori (sa 512kB L2 cache memorije) rade na 2.2GHz dok je prvobitni model radio na 2GHz.

Athlon 64 2800+

Indeksi brzine ne lažu pa ćete neovisno o cacheu i taktu imati iste performanse. S druge strane, ukoliko ste overclocker onda će vam stariji procesori sa više cachea biti puno miliji jer ćete tako i tako dići frekvenciju procesora.

Što se pak indeksa brzine tiče, neki će biti zbunjeni time što trenutno jedini S754 Sempron ima veću brojnu ounaku nego Athlon 64 procesor koji radi na istom taktu i ima više cache memorija. Ovo nije nikakve greška već rezultat činjenice da AMD Athlone uspoređuje sa punokrvnim P4 procesorima dok su Semproni uspoređeni sa Celeronima.

Presjek procesora izgleda ovako:

CPU ::
Frekvencija i FSB
Jezgra
L2 cache
Socket
Instrukcije
Tehnologije
Cijena
Pentium 4 520
2800MHz, 800MHz
Prescott
1024kB
LGA775, S478
SSE, SSE2, SSE3
NX-bit (samo na "J" LGA775 modelima)
1350kn
Athlon 64 2800+
1800MHz, 800MHz
Newcastle
512kB
S754
SSE, SSE2, 3DNow!
x86-64, Cool’n’Quiet, NX-bit
1200kn
Sempron 3100+
1800MHz, 800MHz
Paris
256kB
S754
SSE, SSE2, 3DNow!
Cool’n’Quiet, NX-bit
1100kn
Celeron D 340
2933MHz, 533MHz
Prescott
256kB
LGA775, S478
SSE, SSE2, SSE3
NX-bit (samo na LGA775 modelima)
cca 1000kn

Kao što vidimo iz tablice, AMD procesori su u prednosti po pitanju podržanih tehnologija. Novi P4 LGA775 modeli sa sufiksom "J" malo popravljaju stvar jer i oni podržavaju NX-bit (No Execution zaštitu podržanu sa SP-om 2 za Windows XP), kao i tek izašli LGA775 Celeroni D. Podatke za najjači Celeron D (340) smo isto stavili iako ovaj procesor nije obuhvaćen ovim testom. Razloga za to ima dva - prvi je taj što je ovaj procesor osjetno sporiji od ostalih a drugi je taj što do sada u Hrvatskoj uopće nismo našli neki LGA775 Celeron - svi su za S478, a tu smo platformu "eliminirali" iz našeg laba.



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