10 nm	Tremont
130 nm	Tualatin
14 nm	Airmont
180 nm	Coppermine
22 nm	Silvermont
250 nm	Deschutes
32 nm	Saltwell
350 nm	Pentium Pro(166–200 MHz)
45 nm	Bonnell
500 nm	Pentium Pro(150 MHz)
65 nm	Yonah
90 nm	Dothan
A1	Sep 2008
C0	Nov 2007
C1	Mar 2008
Cores	1-4 (2-6 Xeon)
Dual-Core 45 nm	45 nm
E0	Aug 2008
Extensions	MMX, SSE, SSE2, SSE3, SSSE3, SSE4, SSE4.1VT-x, VT-d
FSB speeds	533 MT/s to 1600 MT/s
Instruction set	x86-16, IA-32, x86-64
Intel 18A	Arctic Wolf
Intel 3	Arrow Lake-U
Intel 4	Crestmont
Intel 7(10 nm ESF)	Gracemont
L1 cache	64 KB per core
L2 cache	1 MB to 12 MB unified
L3 cache	8 MB to 16 MB shared (Xeon)
Launched	November 2007; 18 years ago (November 2007)
M0	Mar 2008
M1	Mar 2008
Max. CPU clock rate	1.06 GHz to 3.33 GHz
Microarchitecture	Core
Model	P6 Family (Celeron, Pentium, Pentium Dual-Core, Core 2 range, Xeon)
N3B (TSMC)	Skymont
NetBurst	Katmai
NetBurst(HT)	Pentium M
Predecessor	Core
Quad-Core 45 nm	45 nm
R0	Aug 2008
Single-Core 45 nm	45 nm
Six-Core 45 nm	45 nm
Sockets	Socket M (μPGA 478)Socket P (μPGA 478)Socket T (LGA 775)FCBGA (μBGA 479)FCBGA (μBGA 965)
Successor	Nehalem
Transistors	228M to 820M 45 nm

Penryn (microarchitecture)

Key specifications