Core i7-1355U vs Celeron 3867U

Primary details

Comparing Celeron 3867U and Core i7-1355U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2408	734
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Raptor Lake-U
Architecture codename	Kaby Lake (2016−2019)	Raptor Lake-U
Release date	1 March 2019 (5 years ago)	4 January 2023 (1 year ago)
Launch price (MSRP)	$107	no data
Current price	$341 (3.2x MSRP)	no data

Detailed specifications

Celeron 3867U and Core i7-1355U 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)	10 (Deca-Core)
Threads	2	12
Base clock speed	1.8 GHz	1.7 GHz
Boost clock speed	1.8 GHz	5 GHz
L1 cache	128 KB	80K (per core)
L2 cache	512 KB	1.25 MB (per core)
L3 cache	2 MB	12 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	100 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Celeron 3867U and Core i7-1355U 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,FC-BGA1356	FCBGA1744
Power consumption (TDP)	15 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 3867U and Core i7-1355U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
My WiFi	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	+	+
SIPP	-	no data
Smart Response	+	no data
Status	Discontinued	Launched

Security technologies

Celeron 3867U and Core i7-1355U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 3867U and Core i7-1355U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 3867U and Core i7-1355U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3, DDR4	DDR5-5200, DDR4-3200, LPDDR4x-4267
Maximum memory size	32 GB	96 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 610	Intel® Iris® Xe Graphics eligible
Max video memory	32 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	900 MHz	1.3 GHz
Execution Units	12	96

Graphics interfaces

Available interfaces and connections of Celeron 3867U and Core i7-1355U integrated GPUs.

Number of displays supported	3	4
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Celeron 3867U and Core i7-1355U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@24Hz	4096 x 2304 @ 60Hz
Max resolution over eDP	4096x2304@60Hz	4096 x 2304 @ 120Hz
Max resolution over DisplayPort	4096x2304@60Hz	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Celeron 3867U and Core i7-1355U integrated GPUs, sometimes API versions are included.

DirectX	12	12.1
OpenGL	4.4	4.6

Peripherals

Specifications and connection of peripherals supported by Celeron 3867U and Core i7-1355U.

PCIe version	3.0	4.0
PCI Express lanes	12	20

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.

Core i7-1355U outperforms Celeron 3867U by 924% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.95	9.73
Recency	1 March 2019	4 January 2023
Physical cores	2	10
Threads	2	12

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Should you still have questions on choice between Celeron 3867U and Core i7-1355U, ask them in Comments section, and we shall answer.

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