CPU Wiki

Pentium 4 HT 661

Intel · Intel Socket 775 · Desktop · 2006

Key facts

Production status: End-of-life
Release date: 2006-01-05
Cores / Threads: 1 / 2
Base clock: 3600 MHz
Turbo clock: -
TDP: -
Process: 65 nm
Codename: Cedar Mill
Generation: Pentium 4 HT (Cedar Mill)

All available specs

FieldValue
namePentium 4 HT 661
SocketIntel Socket 775
FoundryIntel
Process Size65 nm
Transistors188 million
Die Size81 mm²
PackageFC-LGA4
MarketDesktop
Production StatusEnd-of-life
Release DateJan 5th, 2006
Part#SL8WF SL94V SL96H SL9KD
Frequency3.6 GHz
Base Clock200 MHz
Multiplier18.0x
Multiplier UnlockedNo
Voltage1.3375 V
CodenameCedar Mill
GenerationPentium 4 HT (Cedar Mill)
Memory SupportDDR1, DDR2, DDR3
ECC MemoryNo
# of Cores1
# of Threads2
SMP # CPUs1
Integrated GraphicsOn certain motherboards (Chipset feature)
Cache L116 KB
Cache L22 MB
FeaturesMMX, SSE, SSE2, SSE3, HTT, EIST, EM64T, XD bit
Memory BusDual-channel
tJMax95°C
Launch Price$401
tCaseMax69°C
Bundled CoolerD34223-002 ATX
ChipsetsIntel Alderwood(9xx), Lakeport(9xx), Broadwater(9xx), Bearlake(3x), Eaglelake(4x), nForce 4/500/600/700, VIA PT880/890/900, VIA P4M800/900, SiS 649, 656, 661FX, 671FX, ATi RS400, RC400, RS600, RD600
Max Power117 W
Effective FSB800 MT/s
Trace L112K