Atom Z2420 vs Celeron N2805

Primary details

Comparing Celeron N2805 and Atom Z2420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	not rated
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)	Saltwell (2013)
Release date	11 September 2013 (11 years ago)	1 January 2013 (11 years ago)
Launch price (MSRP)	$107	no data

Detailed specifications

Celeron N2805 and Atom Z2420 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	1.46 GHz	no data
Boost clock speed	1.46 GHz	1.2 GHz
L1 cache	112 KB	64K (per core)
L2 cache	1 MB	512K (per core)
L3 cache	0 KB	0 KB
Chip lithography	22 nm	32 nm
Die size	no data	65 mm2
Maximum core temperature	80 °C	90 °C
Number of transistors	no data	140 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Celeron N2805 and Atom Z2420 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	FC-MB4617
Power consumption (TDP)	4.3 Watt	3 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N2805 and Atom Z2420. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE, Intel® SSE2, Intel® SSE3
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	+
Idle States	+	+
Thermal Monitoring	-	+
PAE	no data	32 Bit
GPIO	no data	152
Smart Connect	+	no data
Status	Discontinued	Discontinued
RST	-	no data

Security technologies

Celeron N2805 and Atom Z2420 technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	+
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N2805 and Atom Z2420 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron N2805 and Atom Z2420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR2
Maximum memory size	4 GB	1 GB
Max memory channels	1	2
Maximum memory bandwidth	no data	6.4 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Intel Atom® Processor Z3700 Series	PowerVR SGX540 (400 MHz)
Graphics max frequency	667 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron N2805 and Atom Z2420 integrated GPUs.

Number of displays supported

2

2

Peripherals

Specifications and connection of peripherals supported by Celeron N2805 and Atom Z2420.

PCIe version	2.0	no data
PCI Express lanes	4	no data
USB revision	3.0 and 2.0	2.0 OTG
Total number of SATA ports	2	no data
Number of USB ports	5	1
UART	no data	3

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	11 September 2013	1 January 2013
Physical cores	2	1
Chip lithography	22 nm	32 nm
Power consumption (TDP)	4 Watt	3 Watt

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Should you still have questions on choice between Celeron N2805 and Atom Z2420, ask them in Comments section, and we shall answer.

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