The Iceman Cometh: P4 at 4.1 GHz

A Comparison Of All P4 CPUs

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Intel P4 Cores Willamette Northwood Northwood "A" Prescott
Clock Speed 1.3 to 2.0 GHz 1.4 to 2.6 GHz 2.26 to 3.60 GHz 3.60 GHz to 5.xx GHz
FSB Clock 100 MHz 100 MHz 133 MHz 166 MHz
FSB-Speed Quad-Pumped(400 MHz) Quad-Pumped(400 MHz) Quad-Pumped(533 MHz) Quad-Pumped(666 MHz)
L1 Cache (Trace) 12 K µ-Ops 12 K µ-Ops 12 K µ-Ops ?
L1 Cache (Data) 8 kB 8 kB 8 kB ?
L2 Cache (Data) 256 kB 512 kB 512 kB 512 kB
Circuit Density 0.18 µm 0.13 µm 0.13 µm 0.09 µm
CPU Die Size 217 mm² 146 mm² 146 mm² ?
Number of Gates 42 Million 55 Million 55 Million ?
Gates per Area 193548 gates/ mm² 376712 gates/ mm² 376712 gates/ mm² ?
CPU Core voltage 1.75 Volt 1.50 Volt 1.50 to 1.525 Volt 1.25 Volt
Current Consumption, max. 43 A 41.7 A 44.9 A ?
Power Consumption, max. 75.3 Watt 62.6 Watt 68.4 Watt ?
Hyper-Threading no no yes, from 3.06 GHz yes