Celeron N4020C vs N2840

Primary details

Comparing Celeron N2840 and Celeron N4020C processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	2385
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	no data
Architecture codename	Bay Trail-M (2013−2014)	no data
Release date	22 May 2014 (10 years ago)	1 January 2021 (3 years ago)
Current price	$287	no data

Detailed specifications

Celeron N2840 and Celeron N4020C 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)	2 (Dual-core)
Threads	2	2
Base clock speed	2.16 GHz	1.1 GHz
Boost clock speed	2.58 GHz	2.8 GHz
L1 cache	56K (per core)	no data
L2 cache	512K (per core)	no data
L3 cache	0 KB	4 MB
Chip lithography	22 nm	14 nm
Maximum core temperature	100 °C	105 °C
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Celeron N2840 and Celeron N4020C 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	FCBGA1090
Power consumption (TDP)	7.5 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N2840 and Celeron N4020C. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.2
AES-NI	-	+
vPro	no data	-
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	-
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
Idle States	+	+
Thermal Monitoring	no data	+
Smart Response	no data	-
GPIO	no data	+
Smart Connect	+	no data
Turbo Boost Max 3.0	no data	-
Status	Discontinued	Launched

Security technologies

Celeron N2840 and Celeron N4020C technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N2840 and Celeron N4020C are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N2840 and Celeron N4020C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4/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
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Intel Atom® Processor Z3700 Series	Intel UHD Graphics 600
Max video memory	no data	8 GB
Quick Sync Video	+	+
Graphics max frequency	792 MHz	650 MHz
Execution Units	no data	12

Graphics interfaces

Available interfaces and connections of Celeron N2840 and Celeron N4020C integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Celeron N2840 and Celeron N4020C integrated GPUs, including resolutions over different interfaces.

4K resolution support	no data	+
Max resolution over HDMI 1.4	no data	4096x2160@30Hz
Max resolution over eDP	no data	4096x2160@60Hz
Max resolution over DisplayPort	no data	4096x2160@60Hz

Graphics API support

APIs supported by Celeron N2840 and Celeron N4020C integrated GPUs, sometimes API versions are included.

DirectX	no data	12
OpenGL	no data	4.4

Peripherals

Specifications and connection of peripherals supported by Celeron N2840 and Celeron N4020C.

PCIe version	2.0	2.0
PCI Express lanes	4	6
USB revision	3.0 and 2.0	2.0/3.0
Total number of SATA ports	2	2
Max number of SATA 6 Gb/s Ports	no data	2
Number of USB ports	5	8
Integrated LAN	no data	-
UART	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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Recency	22 May 2014	1 January 2021
Chip lithography	22 nm	14 nm
Power consumption (TDP)	7 Watt	6 Watt

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Should you still have questions on choice between Celeron N2840 and Celeron N4020C, ask them in Comments section, and we shall answer.

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