Celeron J1800 vs 3855U

Primary details

Comparing Celeron 3855U and Celeron J1800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2488	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Celeron
Architecture codename	Skylake (2015−2016)	Bay Trail-D (2013)
Release date	15 August 2015 (8 years ago)	1 November 2013 (10 years ago)
Launch price (MSRP)	$107	$72
Current price	$315 (2.9x MSRP)	$253 (3.5x MSRP)

Detailed specifications

Celeron 3855U and Celeron J1800 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	1.6 GHz	2.41 GHz
Boost clock speed	1.6 GHz	2.58 GHz
Bus support	4 GT/s	no data
L1 cache	128 KB	112 KB
L2 cache	512 KB	1 MB
L3 cache	2 MB	1 MB L2 Cache
Chip lithography	14 nm	22 nm
Die size	98.57 mm210.3 mm × 9.57 mm	no data
Maximum core temperature	100 °C	105 °C
Number of transistors	1750 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	-
Unlocked multiplier	No	No

Compatibility

Information on Celeron 3855U and Celeron J1800 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	FCBGA1356	FCBGA1170
Power consumption (TDP)	15 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3855U and Celeron J1800. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	+	-
Enhanced SpeedStep (EIST)	+	+
My WiFi	+	no data
Turbo Boost Technology	-	-
Hyper-Threading Technology	-	-
TSX	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
SIPP	-	-
Smart Response	+	no data
PAE	no data	36 Bit
FDI	no data	-
Status	Discontinued	Discontinued
RST	no data	-

Security technologies

Celeron 3855U and Celeron J1800 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 3855U and Celeron J1800 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 3855U and Celeron J1800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1866, DDR4-2133, LPDDR3-1600, LPDDR3-1866, DDR3L-1333, DDR3L-1600	DDR3
Maximum memory size	32 GB	8 GB
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	no data
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 510	Intel® HD Graphics for Intel Atom® Processor Z3700 Series
Max video memory	32 GB	no data
Quick Sync Video	+	+
Clear Video HD	+	no data
Graphics max frequency	900 MHz	792 MHz

Graphics interfaces

Available interfaces and connections of Celeron 3855U and Celeron J1800 integrated GPUs.

Number of displays supported	3	2
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Celeron 3855U and Celeron J1800 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Celeron 3855U and Celeron J1800 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Celeron 3855U and Celeron J1800.

PCIe version	2.0	2.0
PCI Express lanes	10	4

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	15 August 2015	1 November 2013
Cost	$107	$72
Chip lithography	14 nm	22 nm
Power consumption (TDP)	15 Watt	10 Watt

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Should you still have questions on choice between Celeron 3855U and Celeron J1800, ask them in Comments section, and we shall answer.

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