Intel Celeron 420 vs Intel Pentium 4 HT 520

Table of Contents

Physical Specifications

Socket Intel Socket 775 Intel Socket 775
Foundry Intel Intel
Process size 65 nm 90 nm
Transistors 105 million 125 million
Die size 77 mm² 109 mm²
Package FC-LGA4 FC-LGA4
tCaseMax 60°C

Performance

Frequency 1600 MHz 2.8 GHz
Turbo clock
Base clock 200 MHz 133 MHz
Multiplier 8.0x 21.0x
Multiplier unlocked No No
Voltage 1.3375 V 1.4 V
TDP 35 W 84 W

Architecture Details

Vertical Segment Desktop Desktop
Production status End-of-life End-of-life
Release date Jun 3rd, 2007 Jun 21st, 2004
Codename Conroe-L Prescott
Generation Celeron Pentium 4 HT
Part SL9XP SL7KH
Memory support DDR1, DDR2, DDR3 Dual-channel DDR1, DDR2, DDR3 Dual-channel
ECC memory No No
PCI Express Gen 2 Gen 2

Cores

Total Cores 1 1
Total Threads 1 2
SMP # CPUs 1 1
Integrated graphics

Cache

Cache L1 64K (per core) 16K
Cache L2 512K (shared) 1MB

Features & Technologies

HTT Yes
Intel 64 Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSSE3 Yes
XD bit Yes

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