Celeron M 420 vs Atom D425

Primary details

Comparing Atom D425 and Celeron M 420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	no data	Celeron M
Architecture codename	Pineview (2009−2011)	Yonah (2005−2006)
Release date	21 June 2010 (14 years ago)	no data (2024 years ago)
Launch price (MSRP)	$993	no data

Detailed specifications

Atom D425 and Celeron M 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 cores	1 (Single-Core)	1 (Single-Core)
Threads	2	1
Base clock speed	1.8 GHz	1.6 GHz
Boost clock speed	1.83 GHz	1.6 GHz
Bus rate	no data	533 MHz
L1 cache	64 KB (per core)	no data
L2 cache	512 KB (per core)	no data
L3 cache	0 KB	1 MB L2 KB
Chip lithography	45 nm	65 nm
Die size	66 mm2	no data
Maximum core temperature	100 °C	100 °C
Number of transistors	123 million	no data
64 bit support	+	-
Windows 11 compatibility	-	-
VID voltage range	no data	1.0V-1.3V

Compatibility

Information on Atom D425 and Celeron M 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 configuration	1	no data
Socket	FCBGA559	PPGA478
Power consumption (TDP)	10 Watt	27 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom D425 and Celeron M 420. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
Enhanced SpeedStep (EIST)	-	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	+	-
Idle States	-	-
Demand Based Switching	-	-
PAE	32 Bit	no data
FSB parity	no data	-

Security technologies

Atom D425 and Celeron M 420 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom D425 and Celeron M 420 are enumerated here.

VT-d	-	no data
VT-x	-	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom D425 and Celeron M 420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2, DDR3	no data
Maximum memory size	4 GB	no data
Max memory channels	1	no data
Maximum memory bandwidth	6.4 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

Intel GMA 3150

no data

Synthetic benchmark performance

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

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Pros & cons summary

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Threads	2	1
Chip lithography	45 nm	65 nm
Power consumption (TDP)	10 Watt	27 Watt

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Should you still have questions on choice between Atom D425 and Celeron M 420, ask them in Comments section, and we shall answer.

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