Celeron 3865U vs Pentium J2900

Place in the ranking	2616	2580
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Pentium	Intel Celeron
Power efficiency	7.48	5.24
Architecture codename	Bay Trail-D (2013)	Kaby Lake-U (2017)
Release date	1 November 2013 (11 years ago)	3 January 2017 (7 years ago)
Launch price (MSRP)	$94	$107

Detailed specifications

Pentium J2900 and Celeron 3865U 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	2
Base clock speed	2.41 GHz	1.8 GHz
Boost clock speed	2.66 GHz	1.8 GHz
Bus type	no data	OPI
Bus rate	no data	4 GT/s
Multiplier	no data	22
L1 cache	224 KB	64K (per core)
L2 cache	2 MB	256K (per core)
L3 cache	2 MB L2 Cache	2 MB (shared)
Chip lithography	22 nm	14 nm
Die size	no data	98.7 mm²
Maximum core temperature	105 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Pentium J2900 and Celeron 3865U 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 (Uniprocessor)
Socket	FCBGA1170	FCBGA1356,FPBGA1356
Power consumption (TDP)	10 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium J2900 and Celeron 3865U. You'll probably need this information if you require some particular technology.

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

Security technologies

Pentium J2900 and Celeron 3865U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium J2900 and Celeron 3865U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium J2900 and Celeron 3865U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR3, DDR4
Maximum memory size	8 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Intel Atom® Processor Z3700 Series	Intel HD Graphics 610
Max video memory	no data	32 GB
Quick Sync Video	+	+
Clear Video	no data	+
Clear Video HD	no data	+
Graphics max frequency	896 MHz	900 MHz

Graphics interfaces

Available interfaces and connections of Pentium J2900 and Celeron 3865U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Pentium J2900 and Celeron 3865U integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Pentium J2900 and Celeron 3865U integrated GPUs, sometimes API versions are included.

DirectX	11.2	12
OpenGL	no data	4.4

Peripherals

Specifications and connection of peripherals supported by Pentium J2900 and Celeron 3865U.

PCIe version	2.0	2.0
PCI Express lanes	4	10
USB revision	3.0 and 2.0	no data
Total number of SATA ports	2	no data
Number of USB ports	5	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.

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.

Pentium J2900 0.79

Celeron 3865U 0.83
+5.1%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Pentium J2900 1249

Celeron 3865U 1321
+5.8%

Gaming performance

Pros & cons summary

Performance score	0.79	0.83
Recency	1 November 2013	3 January 2017
Physical cores	4	2
Threads	4	2
Chip lithography	22 nm	14 nm
Power consumption (TDP)	10 Watt	15 Watt

Pentium J2900 has 100% more physical cores and 100% more threads, and 50% lower power consumption.

Celeron 3865U, on the other hand, has a 5.1% higher aggregate performance score, an age advantage of 3 years, and a 57.1% more advanced lithography process.

Given the minimal performance differences, no clear winner can be declared between Pentium J2900 and Celeron 3865U.

Should you still have questions on choice between Pentium J2900 and Celeron 3865U, ask them in Comments section, and we shall answer.