Atom N455 vs Celeron 3215U

Primary details

Comparing Celeron 3215U and Atom N455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2738	3352
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Atom
Power efficiency	4.29	1.62
Architecture codename	Broadwell (2015−2019)	Pinetrail (2009−2011)
Release date	1 June 2015 (9 years ago)	1 June 2010 (14 years ago)
Launch price (MSRP)	$107	$64

Detailed specifications

Celeron 3215U and Atom N455 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)	1 (Single-Core)
Threads	2	2
Base clock speed	1.7 GHz	1.66 GHz
Boost clock speed	1.7 GHz	1.67 GHz
Bus rate	5 GT/s	533 MHz
L1 cache	128 KB	64 KB (per core)
L2 cache	512 KB	512K (per core)
L3 cache	2 MB	0 KB
Chip lithography	14 nm	45 nm
Die size	82 mm2	66 mm2
Maximum core temperature	105 °C	100 °C
Number of transistors	1300 Million	123 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron 3215U and Atom N455 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	FCBGA1168	FCBGA559
Power consumption (TDP)	15 Watt	6.5 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3215U and Atom N455. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE2, Intel® SSE3, Intel® SSSE3
AES-NI	+	-
AVX	+	-
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	+
Thermal Monitoring	+	+
Flex Memory Access	+	no data
Smart Response	-	no data
Demand Based Switching	no data	-
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Celeron 3215U and Atom N455 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 3215U and Atom N455 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 3215U and Atom N455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3
Maximum memory size	16 GB	2 GB
Max memory channels	2	1
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for 5th Generation Intel Processors	Intel GMA 3150
Quick Sync Video	+	-
Clear Video	+	no data
Graphics max frequency	850 MHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Celeron 3215U and Atom N455 integrated GPUs.

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

Graphics API support

APIs supported by Celeron 3215U and Atom N455 integrated GPUs, sometimes API versions are included.

DirectX

11.2/12

no data

Peripherals

Specifications and connection of peripherals supported by Celeron 3215U and Atom N455.

PCIe version	2.0	no data
PCI Express lanes	12	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	0.12
Integrated graphics card	0.77	0.01
Recency	1 June 2015	1 June 2010
Physical cores	2	1
Chip lithography	14 nm	45 nm
Power consumption (TDP)	15 Watt	6 Watt

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Should you still have questions on choice between Celeron 3215U and Atom N455, ask them in Comments section, and we shall answer.

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