Celeron J3455E vs N2940

Primary details

Comparing Celeron N2940 and Celeron J3455E processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2737	2215
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Celeron	no data
Power efficiency	8.86	13.04
Architecture codename	Bay Trail-M (2013−2014)	no data
Release date	22 May 2014 (10 years ago)	1 July 2019 (5 years ago)

Detailed specifications

Celeron N2940 and Celeron J3455E 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)	no data
Threads	4	4
Base clock speed	1.83 GHz	1.5 GHz
Boost clock speed	2.25 GHz	2.3 GHz
L1 cache	56K (per core)	no data
L2 cache	512K (per core)	no data
L3 cache	0 KB	2 MB
Chip lithography	22 nm	14 nm
Maximum core temperature	100 °C	105 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron N2940 and Celeron J3455E 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	1
Socket	FCBGA1170	no data
Power consumption (TDP)	7.5 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N2940 and Celeron J3455E. You'll probably need this information if you require some particular technology.

AES-NI	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	-	+
Smart Response	no data	-
Smart Connect	+	no data

Security technologies

Celeron N2940 and Celeron J3455E technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	-
EDB	+	+
Secure Key	+	+
Identity Protection	-	+
Anti-Theft	-	-

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N2940 and Celeron J3455E are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N2940 and Celeron J3455E. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s
Maximum memory size	8 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	21.32 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Intel Atom® Processor Z3700 Series	Intel HD Graphics 500
Max video memory	no data	8 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	-	+
Graphics max frequency	854 MHz	750 MHz
Execution Units	no data	12
InTru 3D	-	-

Graphics interfaces

Available interfaces and connections of Celeron N2940 and Celeron J3455E integrated GPUs.

Number of displays supported	2	3
eDP	no data	+
DisplayPort	-	+
HDMI	-	+
MIPI-DSI	no data	+

Graphics API support

APIs supported by Celeron N2940 and Celeron J3455E integrated GPUs, sometimes API versions are included.

DirectX	no data	+
OpenGL	no data	+

Peripherals

Specifications and connection of peripherals supported by Celeron N2940 and Celeron J3455E.

PCIe version	2.0	2.0
PCI Express lanes	4	6
USB revision	3.0 and 2.0	no data
Total number of SATA ports	2	no data
Number of USB ports	5	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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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.

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Pros & cons summary

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Performance score	0.68	1.43
Recency	22 May 2014	1 July 2019
Chip lithography	22 nm	14 nm
Power consumption (TDP)	7 Watt	10 Watt

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Should you still have questions on choice between Celeron N2940 and Celeron J3455E, ask them in Comments section, and we shall answer.

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