Celeron 3955U vs J4125

Primary details

Comparing Celeron J4125 and Celeron 3955U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1982	2507
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	5.33	no data
Market segment	Desktop processor	Laptop
Series	no data	Intel Celeron
Power efficiency	17.60	5.87
Architecture codename	Gemini Lake Refresh (2019)	Skylake (2015−2016)
Release date	4 November 2019 (5 years ago)	15 August 2015 (9 years ago)
Launch price (MSRP)	$107	$107

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron J4125 and Celeron 3955U 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 GHz	2 GHz
Boost clock speed	2.7 GHz	2 GHz
Bus type	no data	OPI
Bus rate	no data	4 GT/s
Multiplier	no data	20
L1 cache	56 KB (per core)	128 KB
L2 cache	4 MB (shared)	512 KB
L3 cache	4 MB	2 MB
Chip lithography	14 nm	14 nm
Die size	93 mm2	98.57 mm2
Maximum core temperature	105 °C	100 °C
Number of transistors	no data	1750 Million
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Celeron J4125 and Celeron 3955U 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	FCBGA1090	FCBGA1356
Power consumption (TDP)	10 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J4125 and Celeron 3955U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2
AES-NI	+	+
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	-	+
GPIO	+	no data
Turbo Boost Max 3.0	-	no data

Security technologies

Celeron J4125 and Celeron 3955U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J4125 and Celeron 3955U are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J4125 and Celeron 3955U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600
Maximum memory size	8 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	no data	34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel UHD Graphics 600	Intel HD Graphics 510
Max video memory	8 GB	32 GB
Quick Sync Video	+	+
Clear Video HD	no data	+
Graphics max frequency	750 MHz	900 MHz
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron J4125 and Celeron 3955U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Celeron J4125 and Celeron 3955U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	+
Max resolution over HDMI 1.4	4096x2160@30Hz	4096x2304@24Hz
Max resolution over eDP	4096x2160@60Hz	4096x2304@60Hz
Max resolution over DisplayPort	4096x2160@60Hz	4096x2304@60Hz
Max resolution over VGA	no data	N/A

Graphics API support

APIs supported by Celeron J4125 and Celeron 3955U integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.4	4.4

Peripherals

Specifications and connection of peripherals supported by Celeron J4125 and Celeron 3955U.

PCIe version	2.0	3.0
PCI Express lanes	6	12
USB revision	2.0/3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	no data
Integrated LAN	-	no data
UART	+	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.

---

Pros & cons summary

---

Performance score	1.86	0.93
Integrated graphics card	0.87	1.61
Recency	4 November 2019	15 August 2015
Physical cores	4	2
Threads	4	2
Power consumption (TDP)	10 Watt	15 Watt

---

Should you still have questions on choice between Celeron J4125 and Celeron 3955U, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---