Celeron N4505 vs 3955U

Primary details

Comparing Celeron 3955U and Celeron N4505 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2507	2186
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Desktop processor
Series	Intel Celeron	no data
Power efficiency	5.88	13.47
Architecture codename	Skylake (2015−2016)	Jasper Lake (2021)
Release date	15 August 2015 (9 years ago)	11 January 2021 (3 years ago)
Launch price (MSRP)	$107	no data

Detailed specifications

Celeron 3955U and Celeron N4505 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	2 GHz	2 GHz
Boost clock speed	2 GHz	2.9 GHz
Bus type	OPI	no data
Bus rate	4 GT/s	no data
Multiplier	20	no data
L1 cache	128 KB	no data
L2 cache	512 KB	1.5 MB
L3 cache	2 MB	4 MB
Chip lithography	14 nm	10 nm
Die size	98.57 mm2	no data
Maximum core temperature	100 °C	105 °C
Number of transistors	1750 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron 3955U and Celeron N4505 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 (Uniprocessor)	1
Socket	FCBGA1356	FCBGA1338
Power consumption (TDP)	15 Watt	10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3955U and Celeron N4505. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	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 3955U and Celeron N4505 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 3955U and Celeron N4505 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 3955U and Celeron N4505. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600	DDR4
Maximum memory size	32 GB	16 GB
Max memory channels	2	2
Maximum memory bandwidth	34.134 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 510	Intel UHD Graphics
Max video memory	32 GB	no data
Quick Sync Video	+	+
Clear Video HD	+	no data
Graphics max frequency	900 MHz	750 MHz
Execution Units	no data	16

Graphics interfaces

Available interfaces and connections of Celeron 3955U and Celeron N4505 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 3955U and Celeron N4505 integrated GPUs, including resolutions over different interfaces.

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

Graphics API support

APIs supported by Celeron 3955U and Celeron N4505 integrated GPUs, sometimes API versions are included.

DirectX	12	12
OpenGL	4.4	4.5

Peripherals

Specifications and connection of peripherals supported by Celeron 3955U and Celeron N4505.

PCIe version	3.0	no data
PCI Express lanes	12	8
USB revision	no data	2.0/3.2
Max number of SATA 6 Gb/s Ports	no data	2
Number of USB ports	no data	14
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.

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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.

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Pros & cons summary

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Performance score	0.95	1.45
Integrated graphics card	1.61	5.58
Recency	15 August 2015	11 January 2021
Chip lithography	14 nm	10 nm
Power consumption (TDP)	15 Watt	10 Watt

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Should you still have questions on choice between Celeron 3955U and Celeron N4505, ask them in Comments section, and we shall answer.

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