i5-1240P vs Celeron J3455E

Primary details

Comparing Celeron J3455E and Core i5-1240P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2220	719
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	Intel Alder Lake-P
Power efficiency	13.06	36.33
Architecture codename	no data	Alder Lake-P (2022)
Release date	1 July 2019 (5 years ago)	23 February 2022 (2 years ago)

Detailed specifications

Celeron J3455E and Core i5-1240P 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	no data	12 (Dodeca-Core)
Threads	4	16
Base clock speed	1.5 GHz	1.7 GHz
Boost clock speed	2.3 GHz	4.4 GHz
L1 cache	no data	80K (per core)
L2 cache	no data	1.25 MB (per core)
L3 cache	2 MB	12 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	217 mm2
Maximum core temperature	105 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron J3455E and Core i5-1240P 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	no data	FCBGA1744
Power consumption (TDP)	10 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J3455E and Core i5-1240P. You'll probably need this information if you require some particular technology.

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

Security technologies

Celeron J3455E and Core i5-1240P technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	+	+
Identity Protection	+	-
OS Guard	no data	+
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J3455E and Core i5-1240P are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J3455E and Core i5-1240P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s	DDR4, DDR5
Maximum memory size	8 GB	64 GB
Max memory channels	2	2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 500	Intel® Iris® Xe Graphics eligible
Max video memory	8 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	750 MHz	1.3 GHz
Execution Units	12	80

Graphics interfaces

Available interfaces and connections of Celeron J3455E and Core i5-1240P integrated GPUs.

Number of displays supported	3	4
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
MIPI-DSI	+	no data

Graphics image quality

Maximum display resolutions supported by Celeron J3455E and Core i5-1240P integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz
Max resolution over eDP	no data	4096 x 2304 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Celeron J3455E and Core i5-1240P integrated GPUs, sometimes API versions are included.

DirectX	+	12.1
OpenGL	+	4.6

Peripherals

Specifications and connection of peripherals supported by Celeron J3455E and Core i5-1240P.

PCIe version	2.0	4.0
PCI Express lanes	6	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.

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Pros & cons summary

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Performance score	1.38	10.75
Recency	1 July 2019	23 February 2022
Threads	4	16
Power consumption (TDP)	10 Watt	28 Watt

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Should you still have questions on choice between Celeron J3455E and Core i5-1240P, ask them in Comments section, and we shall answer.

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