Atom x7405C vs Celeron M 420

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Primary details

Comparing Celeron M 420 and Atom x7405C processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3393not rated
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesCeleron Mno data
Power efficiency0.32no data
Architecture codenameYonah (2005−2006)Amston Lake (2024)
Release dateno data8 April 2024 (less than a year ago)
Launch price (MSRP)no data$57

Detailed specifications

Celeron M 420 and Atom x7405C 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)4 (Quad-Core)
Threads14
Base clock speed1.6 GHz1.7 GHz
Boost clock speed1.6 GHz3.4 GHz
Bus rate533 MHzno data
L1 cacheno data96 KB (per core)
L2 cacheno data2 MB (shared)
L3 cache1 MB L2 KB6 MB (shared)
Chip lithography65 nm10 nm
Maximum core temperature100 °Cno data
64 bit support-+
Windows 11 compatibility-no data
VID voltage range1.0V-1.3Vno data

Compatibility

Information on Celeron M 420 and Atom x7405C 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
SocketPPGA478Intel BGA 1264
Power consumption (TDP)27 Watt12 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron M 420 and Atom x7405C. You'll probably need this information if you require some particular technology.

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

Security technologies

Celeron M 420 and Atom x7405C 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 M 420 and Atom x7405C are enumerated here.

VT-dno data+
VT-x-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron M 420 and Atom x7405C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4, DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Celeron M 420 and Atom x7405C.

PCIe versionno data3.0
PCI Express lanesno data9

Pros & cons summary


Physical cores 1 4
Threads 1 4
Chip lithography 65 nm 10 nm
Power consumption (TDP) 27 Watt 12 Watt

Atom x7405C has 300% more physical cores and 300% more threads, a 550% more advanced lithography process, and 125% lower power consumption.

We couldn't decide between Celeron M 420 and Atom x7405C. We've got no test results to judge.


Should you still have questions on choice between Celeron M 420 and Atom x7405C, ask them in Comments section, and we shall answer.

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Intel Celeron M 420
Celeron M 420
Intel Atom x7405C
Atom x7405C

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Community ratings

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