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Hitachi Deskstar 7K500 SATA - Mega disk
26.12.2005.
    « Prev  : Stranica 2 od 4 :  Next »      By ::  Krešimir Matanović 
- Testni sistem, ATTO Disk Benchmark i HD Tach -
Test sistem:

Test sistem :: Hardware
Platforme

EPoX 9NPA+ ULTRA (5c06 BIOS)

Procesor(i)

AMD Athlon 64 3000+ S939 (Venice) @ 2.79 GHz (310x9@1.64 V)

Memorija

2x 256 MB Kingmax DDR433

2x256 MB Infineon DDR400

Grafička kartica HIS Radeon X700PRO IceQ
Muzička kartica

CL Soundblaster Live! 5.1, default driver

Hard disk(ovi)

Hitachi 7K500 SATA II

Hitachi T7K250 SATA II

Hitachi 7K250 SATA

Seagate 7200.8 400 GB

DVD-RW Pioneer DVR-110D
DVD-ROM

Teac DV-516G


Testni sistem :: Software
OS Windows XP Professional
Service Pack SP2
Chipset datoteke nForce 6.53
DirectX verzija 9.0c
ATTO Disk Benchmark v. 1.81
HD Tach v. 3.0.1.0
SiSoft Sandra v. 2005 SP1
I/O Meter v. 2004.07.30

Test sistem je na bazi nForce4 Ultra čipseta, tako da smo sva testiranja obavili na "native" SATA II kontroleru sa uključenim NCQ-om. Korišteni testovi su standardni i nisu se mijenjali od prethodnog testa. Koristili smo i nešto starije nForce drivere kako bi Hitachi 7K500 testirali u jednakim uvjetima kao i ostale diskove.

Krenimo sa testovima!

ATTO Disk Benchmark

Write (MB/s)
Seagate 400GB SATA I NCQ
69,1
  
Hitachi 250GB SATA II
60,1
  
Hitachi 500GB SATA II
55,2
  
Hitachi 250GB SATA I
54,5
  
 
010203040506070809010
0
 
Read (MB/s)
Seagate 400GB SATA I NCQ
69,9
  
Hitachi 250GB SATA II
66,2
  
Hitachi 500GB SATA II
64,2
  
Hitachi 250GB SATA I
61,1
  
 
010203040506070809010
0
 

Pobjedu glatko odnosi Seagate i to ponajviše zbog veće gustoće ploča (133 GB). 7K500 je po rezultatima ispod 250-gigabajtnog SATA II Hitachija, jer i on ima veću gustoću zapisa po ploči (125 naprema 100 GB). Testirani model to donekle kompenzira većim cacheom, no ne značajno.

HD Tach

AVG. READ (MB/s)
Seagate 400GB SATA I NCQ
59,5
  
Hitachi 250GB SATA II
54,3
  
Hitachi 500GB SATA II
51,2
  
Hitachi 250GB SATA I
50,3
  
 
010203040506
0
 
AVG. WRITE (MB/s)
Hitachi 500GB SATA II
49,8
  
Hitachi 250GB SATA II
49,5
  
Seagate 400GB SATA I NCQ
45,6
  
Hitachi 250GB SATA I
42,9
  
 
010203040506
0
 

U HD Tachu je ista priča, pa je Seagate opet prvi, ali samo što se tiče brzine čitanja. Pri zapisivanju je 7K500 vrlo brz. Očito je 16-megabajtni buffer pridonio ovakvom rezultatu jer bi prema svemu ostalom 7K500 trebao biti nešto sporiji.

HD Tach općenito

RAT (m/s) Manje je bolje
Hitachi 250GB SATA I
11,8
  
Hitachi 500GB SATA II
12,5
  
Hitachi 250GB SATA II
12,6
  
Seagate 400GB SATA I NCQ
15,1
  
 
0 510152
0
 
RBS (MB/s)
Hitachi 500GB SATA II
223,7
  
Hitachi 250GB SATA II
209,9
  
Seagate 400GB SATA I NCQ
135,3
  
Hitachi 250GB SATA I
129,5
  
 
05010015020025
0
 
CPU (% - manje je bolje)
Hitachi 500GB SATA II
2
  
Hitachi 250GB SATA II
5
  
Hitachi 250GB SATA I
5
  
Seagate 400GB SATA I NCQ
8
  
 
0 2 4 6 81
0
 

RAT (vrijeme slučajnog pristupa) test pokazuje kako T7K250 sa većom gustoćom zapisa i samo 2 ploče ostaje na tronu brzine pristupa, dok mu je zauzeće procesora ipak veće. Čini se kako je tu opet presudila veća količina cachea. RBS (Read Burst Time) u performansama diska ne igra značajnu ulogu pa ga nije vrijedno ni spominjati.



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