Atom N550 vs Celeron J3455

Primary details

Comparing Celeron J3455 and Atom N550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2188	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.16	no data
Market segment	Desktop processor	Laptop
Series	Intel Celeron	Intel Atom
Power efficiency	13.40	no data
Architecture codename	Apollo Lake (2014−2016)	Pineview (2009−2011)
Release date	30 August 2016 (8 years ago)	23 August 2010 (14 years ago)
Launch price (MSRP)	$107	$86

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron J3455 and Atom N550 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)	2 (Dual-core)
Threads	4	4
Base clock speed	1.5 GHz	1.5 GHz
Boost clock speed	2.3 GHz	1.5 GHz
Bus rate	no data	666 MHz
Multiplier	15	no data
L1 cache	no data	64K (per core)
L2 cache	2 MB	512K (per core)
L3 cache	0 KB	0 KB
Chip lithography	14 nm	45 nm
Die size	no data	87 mm2
Maximum core temperature	105 °C	no data
Number of transistors	no data	176 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron J3455 and Atom N550 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	FCBGA1296	FCBGA559
Power consumption (TDP)	10 Watt	8.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J3455 and Atom N550. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Smart Response	-	no data
Demand Based Switching	no data	-
GPIO	+	no data
Smart Connect	-	no data
HD Audio	+	no data
RST	-	no data

Security technologies

Celeron J3455 and Atom N550 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J3455 and Atom N550 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 J3455 and Atom N550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s	DDR3
Maximum memory size	8 GB	2 GB
Max memory channels	2	1

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 500	Intel GMA 3150
Max video memory	8 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	750 MHz	no data
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron J3455 and Atom N550 integrated GPUs.

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

Graphics API support

APIs supported by Celeron J3455 and Atom N550 integrated GPUs, sometimes API versions are included.

DirectX	+	no data
OpenGL	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron J3455 and Atom N550.

PCIe version	2.0	no data
PCI Express lanes	6	no data
USB revision	2.0/3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	no data
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	30 August 2016	23 August 2010
Physical cores	4	2
Chip lithography	14 nm	45 nm
Power consumption (TDP)	10 Watt	8 Watt

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Should you still have questions on choice between Celeron J3455 and Atom N550, ask them in Comments section, and we shall answer.

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