Core i3-11100B vs Atom x5-E3940

Primary details

Comparing Atom x5-E3940 and Core i3-11100B processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2212	916
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	5x Intel Atom	no data
Architecture codename	Apollo Lake (2016)	no data
Release date	30 August 2014 (9 years ago)	1 April 2021 (3 years ago)
Current price	$546	no data

Detailed specifications

Atom x5-E3940 and Core i3-11100B 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	4	8
Base clock speed	1.6 GHz	3.6 GHz
Boost clock speed	1.8 GHz	4.4 GHz
L1 cache	56K (per core)	no data
L2 cache	2 MB (shared)	no data
L3 cache	0 KB	12 MB
Chip lithography	14 nm	10 nm SuperFin
Maximum core temperature	no data	100 °C
Maximum case temperature (TCase)	103 °C	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Atom x5-E3940 and Core i3-11100B 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	Intel BGA 1296	no data
Power consumption (TDP)	10 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom x5-E3940 and Core i3-11100B. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
vPro	no data	-
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	+
TSX	no data	-
Idle States	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
SIPP	no data	+
Turbo Boost Max 3.0	no data	+
Status	no data	Launched

Security technologies

Atom x5-E3940 and Core i3-11100B technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	-
EDB	no data	+
Secure Key	no data	+
Identity Protection	no data	+
SGX	no data	Yes with Intel® ME
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Atom x5-E3940 and Core i3-11100B are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom x5-E3940 and Core i3-11100B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1866	Up to 3200 MT/s
Maximum memory size	8 GB	128 GB
Max memory channels	no data	2
Maximum memory bandwidth	no data	45.8 GB/s
ECC memory support	no data	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 500	Intel® UHD Graphics for 11th Gen Intel® Processors
Quick Sync Video	no data	+
Graphics max frequency	no data	1.4 GHz
Execution Units	no data	16

Graphics interfaces

Available interfaces and connections of Atom x5-E3940 and Core i3-11100B integrated GPUs.

Number of displays supported	no data	4
eDP	no data	+
DisplayPort	no data	+
HDMI	no data	+
DVI	no data	+

Graphics image quality

Maximum display resolutions supported by Atom x5-E3940 and Core i3-11100B integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096 x 2304@30Hz
Max resolution over eDP	no data	4096 x 2304@60Hz
Max resolution over DisplayPort	no data	4096 x 2304@60Hz

Graphics API support

APIs supported by Atom x5-E3940 and Core i3-11100B integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.5

Peripherals

Specifications and connection of peripherals supported by Atom x5-E3940 and Core i3-11100B.

PCIe version	2.0	3.0
PCI Express lanes	4	16

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.

Core i3-11100B outperforms Atom x5-E3940 by 487% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.25	7.34
Recency	30 August 2014	1 April 2021
Threads	4	8
Chip lithography	14 nm	10 nm
Power consumption (TDP)	10 Watt	65 Watt

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Should you still have questions on choice between Atom x5-E3940 and Core i3-11100B, ask them in Comments section, and we shall answer.

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