Celeron 420 vs Core 2 Duo L7500

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Aggregate performance score

Core 2 Duo L7500
2 cores / 2 threads, 17 Watt
0.41
+173%
Celeron 420
2007
1 core / 1 thread, 35 Watt
0.15

Core 2 Duo L7500 outperforms Celeron 420 by a whopping 173% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo L7500 and Celeron 420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking29943325
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesCore 2 Duono data
Power efficiency2.280.41
Architecture codenameMerom (2006−2008)Conroe-L (2007−2008)
Release dateno dataJune 2007 (17 years ago)
Launch price (MSRP)no data$23

Detailed specifications

Core 2 Duo L7500 and Celeron 420 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 cores2 (Dual-core)1 (Single-Core)
Threads21
Base clock speed1.6 GHz1.6 GHz
Boost clock speed1.6 GHz1.6 GHz
Bus rate800 MHzno data
L1 cacheno data64 KB
L2 cacheno data512 KB
L3 cache4 MB L2 Cache0 KB
Chip lithography65 nm65 nm
Die sizeno data77 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data60 °C
Number of transistorsno data105 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.975V - 1.062V1V-1.3375V

Compatibility

Information on Core 2 Duo L7500 and Celeron 420 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 configurationno data1
SocketPBGA479LGA775
Power consumption (TDP)17 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo L7500 and Celeron 420. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+-
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring-+
Demand Based Switching--
FSB parity--

Security technologies

Core 2 Duo L7500 and Celeron 420 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo L7500 and Celeron 420 are enumerated here.

VT-dno data-
VT-x+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo L7500 and Celeron 420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core 2 Duo L7500 0.41
+173%
Celeron 420 0.15

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Duo L7500 657
+180%
Celeron 420 235

Gaming performance

Pros & cons summary


Performance score 0.41 0.15
Physical cores 2 1
Threads 2 1
Power consumption (TDP) 17 Watt 35 Watt

Core 2 Duo L7500 has a 173.3% higher aggregate performance score, 100% more physical cores and 100% more threads, and 105.9% lower power consumption.

The Core 2 Duo L7500 is our recommended choice as it beats the Celeron 420 in performance tests.

Be aware that Core 2 Duo L7500 is a notebook processor while Celeron 420 is a desktop one.


Should you still have questions on choice between Core 2 Duo L7500 and Celeron 420, 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 Core 2 Duo L7500
Core 2 Duo L7500
Intel Celeron 420
Celeron 420

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.


3.8 5 votes

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2.9 170 votes

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Questions & comments

Here you can ask a question about Core 2 Duo L7500 or Celeron 420, agree or disagree with our judgements, or report an error or mismatch.