Atom D425 vs Z540

Primary details

Comparing Atom Z540 and Atom D425 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	Intel Atom	no data
Architecture codename	Silverthorne (2008−2010)	Pineview (2009−2011)
Release date	2 April 2008 (16 years ago)	21 June 2010 (14 years ago)
Launch price (MSRP)	$160	$993

Detailed specifications

Atom Z540 and Atom D425 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	2
Base clock speed	1.86 GHz	1.8 GHz
Boost clock speed	0.07 GHz	1.83 GHz
Bus type	FSB	no data
Bus rate	533.33 MT/s	no data
Multiplier	14	no data
L1 cache	56 KB	64 KB (per core)
L2 cache	512 KB	512 KB (per core)
L3 cache	0 KB	0 KB
Chip lithography	45 nm	45 nm
Die size	24.18 mm2	66 mm2
Maximum core temperature	90 °C	100 °C
Number of transistors	47 Million	123 million
64 bit support	-	+
Windows 11 compatibility	-	-
VID voltage range	0.75 -1.1V	no data

Compatibility

Information on Atom Z540 and Atom D425 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 (Uniprocessor)	1
Socket	PBGA441	FCBGA559
Power consumption (TDP)	2.4 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z540 and Atom D425. You'll probably need this information if you require some particular technology.

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

Security technologies

Atom Z540 and Atom D425 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z540 and Atom D425 are enumerated here.

VT-d	-	-
VT-x	+	-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z540 and Atom D425. Depending on the motherboard, higher memory frequencies may be supported.

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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

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Intel GMA 3150

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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Recency	2 April 2008	21 June 2010
Power consumption (TDP)	2 Watt	10 Watt

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Should you still have questions on choice between Atom Z540 and Atom D425, ask them in Comments section, and we shall answer.

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