Atom E645C vs Celeron J1900

Primary details

Comparing Celeron J1900 and Atom E645C processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2678	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	no data
Power efficiency	6.81	no data
Architecture codename	Bay Trail-D (2013)	Stellarton (2010)
Release date	1 November 2013 (11 years ago)	22 November 2010 (14 years ago)
Launch price (MSRP)	$82	no data

Detailed specifications

Celeron J1900 and Atom E645C 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)	1 (Single-Core)
Threads	4	2
Base clock speed	2 GHz	no data
Boost clock speed	2.42 GHz	1 GHz
L1 cache	224 KB	64 KB (per core)
L2 cache	2 MB	512 KB (per core)
L3 cache	2 MB L2 Cache	0 KB
Chip lithography	22 nm	45 nm
Die size	no data	26 mm2
Maximum core temperature	105 °C	no data
Number of transistors	no data	47 million
64 bit support	+	-
Windows 11 compatibility	-	-

Compatibility

Information on Celeron J1900 and Atom E645C 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	Intel BGA1466
Power consumption (TDP)	10 Watt	4 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J1900 and Atom E645C. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	+
PAE	36 Bit	no data
FDI	-	no data
RST	-	no data

Security technologies

Celeron J1900 and Atom E645C technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J1900 and Atom E645C are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J1900 and Atom E645C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR2
Maximum memory size	8 GB	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for Intel Atom Processor Z3700 Series	Intel GMA 600
Quick Sync Video	+	-
Graphics max frequency	854 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron J1900 and Atom E645C integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Celeron J1900 and Atom E645C.

PCIe version	2.0	no data
PCI Express lanes	4	no data

Pros & cons summary

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Recency	1 November 2013	22 November 2010
Physical cores	4	1
Threads	4	2
Chip lithography	22 nm	45 nm
Power consumption (TDP)	10 Watt	4 Watt

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