Atom N435 vs Xeon E5540

Primary details

Comparing Xeon E5540 and Atom N435 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1922	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	3.05	no data
Market segment	Server	Laptop
Series	no data	Atom
Architecture codename	Gainestown (2009−2010)	Pinetrail (2009−2010)
Release date	March 2009 (15 years ago)	2 June 2011 (13 years ago)
Launch price (MSRP)	$30	no data
Current price	$105 (3.5x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5540 and Atom N435 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	4 (Quad-Core)	1 (Single-Core)
Threads	8	2
Base clock speed	2.53 GHz	no data
Boost clock speed	2.8 GHz	1.33 GHz
Bus support	no data	533 MHz
L1 cache	64 KB (per core)	no data
L2 cache	256 KB (per core)	512 KB
L3 cache	8 MB (shared)	no data
Chip lithography	45 nm	45 nm
Die size	263 mm2	no data
Maximum core temperature	76 °C	no data
Number of transistors	731 million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E5540 and Atom N435 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	2	no data
Socket	FCLGA1366	FCBGA559
Power consumption (TDP)	80 Watt	5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5540 and Atom N435. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	1.0	no data
Hyper-Threading Technology	+	+
Idle States	+	no data
Demand Based Switching	+	no data
PAE	40 Bit	no data
Status	Discontinued	no data

Security technologies

Xeon E5540 and Atom N435 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 Xeon E5540 and Atom N435 are enumerated here.

VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E5540 and Atom N435. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR2, DDR3
Maximum memory size	144 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	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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Physical cores	4	1
Threads	8	2
Power consumption (TDP)	80 Watt	5 Watt

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Should you still have questions on choice between Xeon E5540 and Atom N435, ask them in Comments section, and we shall answer.

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