Atom x5-E3940 vs Duo L2400

Primary details

Comparing Core Duo L2400 and Atom x5-E3940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	2307
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Core Duo	5x Intel Atom
Power efficiency	no data	11.61
Architecture codename	Yonah (2005−2006)	Apollo Lake (2014−2016)
Release date	no data (2024 years ago)	30 August 2014 (10 years ago)

Detailed specifications

Core Duo L2400 and Atom x5-E3940 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	2 (Dual-core)	4 (Quad-Core)
Threads	2	4
Base clock speed	1.66 GHz	1.6 GHz
Boost clock speed	1.66 GHz	1.8 GHz
Bus rate	533 MHz	no data
L1 cache	no data	56K (per core)
L2 cache	no data	2 MB (shared)
L3 cache	2 MB L2 Cache	0 KB
Chip lithography	65 nm	14 nm
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	no data	103 °C
64 bit support	-	+
Windows 11 compatibility	-	-
VID voltage range	1.0V - 1.212V	no data

Compatibility

Information on Core Duo L2400 and Atom x5-E3940 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	no data	1 (Uniprocessor)
Socket	PBGA479	Intel BGA 1296
Power consumption (TDP)	15 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Duo L2400 and Atom x5-E3940. You'll probably need this information if you require some particular technology.

AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	-	no data
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data

Security technologies

Core Duo L2400 and Atom x5-E3940 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core Duo L2400 and Atom x5-E3940 are enumerated here.

VT-d	no data	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Duo L2400 and Atom x5-E3940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR3-1866
Maximum memory size	no data	8 GB

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

Intel HD Graphics 500

Peripherals

Specifications and connection of peripherals supported by Core Duo L2400 and Atom x5-E3940.

PCIe version	no data	2.0
PCI Express lanes	no data	4

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	2	4
Threads	2	4
Chip lithography	65 nm	14 nm
Power consumption (TDP)	15 Watt	10 Watt

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Should you still have questions on choice between Core Duo L2400 and Atom x5-E3940, ask them in Comments section, and we shall answer.

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