Pentium 4 HT 641 vs Celeron 420

VS

Primary details

Comparing Celeron 420 and Pentium 4 HT 641 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3323not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency0.41no data
Architecture codenameConroe-L (2007−2008)Cedar Mill (2006)
Release dateJune 2007 (17 years ago)January 2006 (18 years ago)
Launch price (MSRP)$23no data

Detailed specifications

Celeron 420 and Pentium 4 HT 641 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores1 (Single-Core)1 (Single-Core)
Threads12
Base clock speed1.6 GHzno data
Boost clock speed1.6 GHz3.2 GHz
L1 cache64 KB28 KB
L2 cache512 KB2 MB
L3 cache0 KB0 KB
Chip lithography65 nm65 nm
Die size77 mm281 mm2
Maximum case temperature (TCase)60 °Cno data
Number of transistors105 million188 million
64 bit support++
Windows 11 compatibility--
VID voltage range1V-1.3375Vno data

Compatibility

Information on Celeron 420 and Pentium 4 HT 641 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketLGA775775
Power consumption (TDP)35 Watt86 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 420 and Pentium 4 HT 641. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)-no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Celeron 420 and Pentium 4 HT 641 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 420 and Pentium 4 HT 641 are enumerated here.

VT-d-no data
VT-x-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 420 and Pentium 4 HT 641. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR1, DDR2, DDR3

Pros & cons summary


Threads 1 2
Power consumption (TDP) 35 Watt 86 Watt

Celeron 420 has 145.7% lower power consumption.

Pentium 4 HT 641, on the other hand, has 100% more threads.

We couldn't decide between Celeron 420 and Pentium 4 HT 641. We've got no test results to judge.


Should you still have questions on choice between Celeron 420 and Pentium 4 HT 641, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Celeron 420
Celeron 420
Intel Pentium 4 HT 641
Pentium 4 HT 641

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


2.9 170 votes

Rate Celeron 420 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 42 votes

Rate Pentium 4 HT 641 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Celeron 420 or Pentium 4 HT 641, agree or disagree with our judgements, or report an error or mismatch.