Atom x5-E3940 vs Xeon E3-1505L v5

Primary details

Comparing Xeon E3-1505L v5 and Atom x5-E3940 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1484	2212
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.25	no data
Market segment	Laptop	Laptop
Series	Intel Xeon E3	5x Intel Atom
Architecture codename	Skylake (2015−2016)	Apollo Lake (2016)
Release date	1 September 2015 (8 years ago)	30 August 2014 (9 years ago)
Launch price (MSRP)	$433	no data
Current price	$1146 (2.6x MSRP)	$546

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E3-1505L v5 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	4 (Quad-Core)	4 (Quad-Core)
Threads	8	4
Base clock speed	no data	1.6 GHz
Boost clock speed	2 GHz	1.8 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	256 KB	56K (per core)
L2 cache	1 MB	2 MB (shared)
L3 cache	8 MB	0 KB
Chip lithography	14 nm	14 nm
Die size	122 mm2	no data
Maximum case temperature (TCase)	no data	103 °C
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Xeon E3-1505L v5 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	1 (Uniprocessor)	1 (Uniprocessor)
Socket	no data	Intel BGA 1296
Power consumption (TDP)	25 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E3-1505L v5 and Atom x5-E3940. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	no data
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
TSX	+	no data

Security technologies

Xeon E3-1505L v5 and Atom x5-E3940 technologies aimed at improving security, for example, by protecting against hacks.

TXT

+

+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E3-1505L v5 and Atom x5-E3940 are enumerated here.

VT-d	+	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E3-1505L v5 and Atom x5-E3940. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	LPDDR3-1866	DDR3-1866
Maximum memory size	64 GB	8 GB
Max memory channels	2	no data
Maximum memory bandwidth	34.134 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare

Intel HD Graphics P530

Intel HD Graphics 500

Peripherals

Specifications and connection of peripherals supported by Xeon E3-1505L v5 and Atom x5-E3940.

PCIe version	3.0	2.0
PCI Express lanes	16	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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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Xeon E3-1505L v5 outperforms Atom x5-E3940 by 174% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	3.43	1.25
Integrated graphics card	2.78	0.75
Recency	1 September 2015	30 August 2014
Threads	8	4
Power consumption (TDP)	25 Watt	10 Watt

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Should you still have questions on choice between Xeon E3-1505L v5 and Atom x5-E3940, ask them in Comments section, and we shall answer.

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