Velký test DVD-ROM - souhrnné výsledky | Kapitola 2
Seznam kapitol
Pokud se rozhodnete koupit DVD-ROM mechaniku, asi se vám stane to, co většině lidem před vámi. Po otázce kterou je nejlépe koupit, vám prodavač řekne: "Všechny jsou stejné, vyberte si tu, která se vám nejvíc líbí". Sami určitě tušíte, že toto kritérium nebude ve skutečnosti to nejdůležitější. Tento prakticky zaměřený test se vám tušení pokusí potvrdit.
CD Speed
Datové CD | AOPEN | ASUS | LG | LITEON | MSI | NEC | PIONEER | SONY | TEAC | TOSHIBA |
prům. čtení | 34,95 | 30,07 | 35,34 | 34,03 | 33,93 | 32,74 | 29,87 | 30,38 | 34,85 | 28,98 |
Seek - Random | 77ms | 85ms | 118ms | 82ms | 110ms | 213ms | 96ms | 76ms | 86ms | 100ms |
Seek - 1/3 | 88ms | 93ms | 126ms | 93ms | 95ms | 102ms | 108ms | 91ms | 100ms | 115ms |
Seek - Full | 154ms | 135ms | 190ms | 209ms | 223ms | 728ms | 184ms | 155ms | 173ms | 257ms |
CPU při 8x | 5% | 2% | 7% | 4% | 4% | 5% | 16% | 5% | 5% | 13% |
Načtení CD | 9,55 s | 10,79 s | 9,39 s | 7,98 s | 9,34 s | 10,12 s | N/A | 8,65 s | 8,57 s | 6,75 s |
Datové CDR | AOPEN | ASUS | LG | LITEON | MSI | NEC | PIONEER | SONY | TEAC | TOSHIBA |
prům. čtení | 38,03 | 38,00 | 30,76 | 37,74 | 37,04 | 38,44 | 30,66 | 32,45 | 37,22 | 36,90 |
Seek - Random | 76ms | 88ms | 118ms | 84ms | 81ms | 94ms | 93ms | 75ms | 91ms | 92ms |
Seek - 1/3 | 89ms | 94ms | 131ms | 102ms | 103ms | 125ms | 107ms | 88ms | 104ms | 106ms |
Seek - Full | 155ms | 140ms | 201ms | 194ms | 150ms | 212ms | 189ms | 152ms | 201ms | 255ms |
CPU při 8x | 5% | 3% | 7% | 4% | 4% | 5% | 16% | 5% | 5% | 13% |
Načtení CD | 9,55 s | 9,87 s | 9,41 s | 7,60 s | 9,41 s | 10,09 s | N/A | 9,12 s | 8,64 s | 6,35 s |
Audio CD | AOPEN | ASUS | LG | LITEON | MSI | NEC | PIONEER | SONY | TEAC | TOSHIBA |
prům. čtení | 29,70 | 34,52 | 30,33 | 35,96 | 25,62 | 37,81 | 15,22 | 31,88 | 29,54 | 23,15 |
Seek - Random | 75ms | 84ms | 121ms | 95ms | 94ms | 99ms | 98ms | 82ms | 87ms | 106ms |
Seek - 1/3 | 90ms | 101ms | 127ms | 140ms | 105ms | 190ms | 107ms | 94ms | 100ms | 123ms |
Seek - Full | 154ms | 146ms | 201ms | 257ms | 185ms | 258ms | 200ms | 162ms | 165ms | 173ms |
CPU při 8x | 6% | 3% | 8% | 5% | 6% | 6% | 15% | 6% | 6% | 18% |
Načtení CD | 9,88 s | 11,16 s | 9,19 s | 7,70 s | 10,57 s | 10,40 s | N/A | 9,21 s | 8,60 s | 6,80 s |
Audio CDR | AOPEN | ASUS | LG | LITEON | MSI | NEC | PIONEER | SONY | TEAC | TOSHIBA |
prům. čtení | 37,43 | 34,76 | 30,50 | 38,03 | 25,68 | 37,81 | 15,22 | 31,95 | 36,67 | 23,24 |
Seek - Random | 75ms | 85ms | 117ms | 95ms | 92ms | 94ms | 99ms | 75ms | 87ms | 108ms |
Seek - 1/3 | 86ms | 100ms | 128ms | 126ms | 105ms | 146ms | 108ms | 87ms | 100ms | 131ms |
Seek - Full | 153ms | 144ms | 194ms | 486ms | 183ms | 202ms | 193ms | 154ms | 166ms | 188ms |
CPU při 8x | 6% | 3% | 8% | 5% | 6% | 7% | 14% | 6% | 6% | 14% |
Načtení CD | 9,92 s | 10,05 s | 9,10 s | 8,48 s | 9,69 s | 10,27 s | N/A | 10,12 s | 9,86 s | 7,23 s |
Scandisk - Surface scan
Audio CDR-poničené | AOPEN | ASUS | LG | LITEON | MSI | NEC | PIONEER | SONY | TEAC | TOSHIBA |
Dobré sektory | 79,59% | 32,07% | 57,67% | 76,35% | 87,04% | 30,78% | 62,53% | 81,75% | N/A* | 44,49% |
Korig. chyby | 20,41% | 67,93% | 42,33% | 23,54% | 12,96% | 68,03% | 37,04% | 18,25% | N/A | 55,51% |
Nečitelné s. | 0% | 0% | 0% | 0% | 0% | 1,19% | 0,43% | 0% | N/A | 0% |
* - mechanika nebyla schopna ani po 2 hodinách test dokončit
DVD Speed
DVD - 1 vrstvé | AOPEN | ASUS | LG | LITEON | MSI | NEC | PIONEER | SONY | TEAC | TOSHIBA |
Průměrná rychlost čtení | 15 836* | 9 634 | 8 010 | 15 883 | 5 946 | 16 035 | 15 007 | 15 969 | 15 506 | 15 513 |
Seek - Random | 90ms | 123ms | 112ms | 97ms | 102ms | 93ms | 94ms | 93ms | 92ms | 93ms |
Seek - 1/3 | 104ms | 113ms | 122ms | 111ms | 112ms | 103ms | 107ms | 107ms | 106ms | 99ms |
Seek - Full | 179ms | 215 s | 178ms | 186ms | 188ms | 179ms | 184ms | 183ms | 170ms | 135ms |
CPU při 1x | 3% | 1% | 2% | 1% | 3% | 3% | 1% | 2% | 3% | 3% |
CPU při max.** | 6% | 1% | 4% | 2% | 3% | 6% | 2% | 2% | 5% | 3% |
Načtení DVD | 8,01 s | 10,52 s | 9,94 s | 8,35 s | 11,31 s | 10,72 s | N/A | 8,93 s | 12,56 s | 5,28 s |
* - rychlost čtení je udaná v KB/s
** - protože je maximální rychlost mechanik jiná, údaj nelze srovnávat
DVD - 2 vrstvé | AOPEN | ASUS | LG | LITEON | MSI | NEC | PIONEER | SONY | TEAC | TOSHIBA |
Průměrná rychlost čtení | 8 072 | 8 264 | 8 175 | 8 866 | 6 131 | 8 588 | 12 065 | 8 042 | 11 925 | 4 822 |
Seek - Random | 86ms | 115ms | 116ms | 103ms | 122ms | 124ms | 93ms | 88ms | 89ms | 104ms |
Seek - 1/3 | 90ms | 137ms | 126ms | 105ms | 796ms | 137ms | 102ms | 99ms | 94ms | 111ms |
Seek - Full | 158ms | 251ms | 172ms | 176ms | 1016ms | 203ms | 175ms | 161ms | 156ms | 163ms |
Přechod na 2. vrstvu | 88ms | 1031ms | 379ms | 120ms | N/A | 74ms | 0ms | 63ms | 50ms | 86ms |
CPU při 1x | 3% | 3% | 2% | 1% | N/A | 1% | 1% | 3% | 3% | 3% |
CPU při max. | 5% | 4% | 4% | 2% | N/A | 2% | 2% | 5% | 4% | 4% |
Načtení DVD | 9,67 s | 11,57 s | 10,04 s | 12,07 s | N/A | 16,63 s | N/A | 10,39 s | 15,18 s | 8,01 s |
DVD - datové | AOPEN | ASUS | LG | LITEON | MSI | NEC | PIONEER | SONY | TEAC | TOSHIBA |
Průměrná rychlost čtení | 9 968 | 7 122 | 12 859 | 5 767 | N/A* | 8 020 | 10 648 | 11 165 | 10 070 | 9 229 |
Seek - Random | 125ms | 123ms | 115ms | 98ms | N/A | 214ms | 127ms | 113ms | 88ms | 117ms |
Seek - 1/3 | 93ms | 137ms | 120ms | 103ms | N/A | 248ms | 101ms | 102ms | 97ms | 112ms |
Seek - Full | 213ms | 249ms | 175ms | 164ms | N/A | 214ms | 198ms | 206ms | 158ms | 161ms |
CPU při 1x | 3% | 3% | 3% | 2% | N/A | 3% | 2% | 1% | 7% | 1% |
CPU při max. | 4% | 4% | 3% | 3% | N/A | 4% | 4% | 1% | 11% | 2% |
Načtení DVD | 8,06 s | 10,74 s | 9,71 s | 8,20 s | N/A | 22,09 s | N/A | 8,27 s | 12,15 s | 5,25 s |
* mechanika nedočetla DVD do konce
DVD-R | AOPEN | ASUS | LG | LITEON | MSI | NEC | PIONEER | SONY | TEAC | TOSHIBA |
Průměrná rychlost čtení | 8 805 | 7 965 | 5 774 | 8 868 | 6 132 | 8 631 | 5 666 | 8 808 | 6 548 | 5 279 |
Seek - Random | 99ms | 109ms | 108ms | 101ms | 113ms | 104ms | 140ms | 102ms | 86ms | 104ms |
Seek - 1/3 | 110ms | 118ms | 122ms | 121ms | 129ms | 122ms | 157ms | 117ms | 101ms | 109ms |
Seek - Full | 191ms | 228ms | 206ms | 187ms | 652ms | 190ms | 274ms | 196ms | 166ms | 158ms |
CPU při 1x | 3% | 3% | 3% | 3% | 2% | 3% | 3% | 1% | 3% | 3% |
CPU při max. | 4% | 4% | 4% | 4% | 4% | 4% | 4% | 2% | 4% | 4% |
Načtení DVD | 8,61 s | 10,08 s | 8,81 s | 8,58 s | 11,43 s | 14,72 s | N/A | 8,59 s | 7,16 s | 5,06 s |
Joro: Tento test dokládá, že kompatibilita medii DVD+R je vyšší než medii DVD-R! Obdobný závěr potvrdil i náš minitest stolních DVD přehrávačů.
DVD+R | AOPEN | ASUS | LG | LITEON | MSI | NEC | PIONEER | SONY | TEAC | TOSHIBA |
Průměrná rychlost čtení | 8 704 | 7 830 | 5 773 | 8 770 | 6 081 | 16 143 | 5 665 | 8 715 | 14 899 | 5 220 |
Seek - Random | 101ms | 112ms | 111ms | 98ms | 104ms | 113ms | 119ms | 103ms | 87ms | 103ms |
Seek - 1/3 | 117ms | 117ms | 132ms | 122ms | 302ms | 126ms | 150ms | 116ms | 101ms | 106ms |
Seek - Full | 199ms | 224ms | 201ms | 187ms | 887ms | 188ms | 260ms | 200ms | 164ms | 148ms |
CPU při 1x | 2% | 2% | 3% | 3% | 3% | 3% | 3% | 1% | 3% | 3% |
CPU při max. | 5% | 5% | 4% | 4% | 3% | 5% | 4% | 2% | 3% | 4% |
Načtení DVD | 8,35 s | 9,95 s | 9,08 s | 8,42 s | 11,50 s | 17,25 s | N/A | 9,23 s | 7,20 s | 5,69 s |