Hardware Museum

Over 20 years of PC history

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Intel Pentium 4 3.4 GHz Northwood (HT)Intel Pentium 4 2.5 GHz Northwood
Code nameNorthwoodNorthwood
Base clock3400 MHz2500 MHz (0.74×)
Turbo full / half / single- | - | - - | - | -
Technology130 nm130 nm
Transistors55 million55 million
Die size131 mm2131 mm2
Cores / threads1 / 2 1 / 1
L1 data cache1 × 8 kB1 × 8 kB
L1 inst. cache1 × 12 kB1 × 12 kB
L2 cache1 × 512 kB1 × 512 kB
L3 cache--
Bus typeQDR, 800 MHz, 64 bitQDR, 400 MHz, 64 bit
Bus bandwith6400 MB/s3200 MB/s (0.5×)
SocketSocket 478Socket 478
Voltage1.5 V1.525 V
TDP89 W61 W (0.69×)