Ultra 5 245K vs Celeron J3455E

Primary details

Comparing Celeron J3455E and Core Ultra 5 245K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2218	174
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	73.79
Market segment	Desktop processor	Desktop processor
Power efficiency	13.10	20.83
Architecture codename	no data	Arrow Lake-S (2024−2025)
Release date	1 July 2019 (5 years ago)	24 October 2024 (recently)
Launch price (MSRP)	no data	$309

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron J3455E and Core Ultra 5 245K 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	14 (Tetradeca-Core)
Threads	4	14
Base clock speed	1.5 GHz	4.2 GHz
Boost clock speed	2.3 GHz	5.2 GHz
Bus rate	no data	159 MHz
L1 cache	no data	112 KB (per core)
L2 cache	no data	3 MB (per core)
L3 cache	2 MB	24 MB (shared)
Chip lithography	14 nm	3 nm
Die size	no data	243 mm2
Maximum core temperature	105 °C	no data
Number of transistors	no data	17,800 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Celeron J3455E and Core Ultra 5 245K 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	1851
Power consumption (TDP)	10 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J3455E and Core Ultra 5 245K. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
SIPP	-	+
Smart Response	-	no data

Security technologies

Celeron J3455E and Core Ultra 5 245K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J3455E and Core Ultra 5 245K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J3455E and Core Ultra 5 245K. 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	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 500	Arc Xe-LPG Graphics 64EU
Max video memory	8 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	750 MHz	no data
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron J3455E and Core Ultra 5 245K integrated GPUs.

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

Graphics API support

APIs supported by Celeron J3455E and Core Ultra 5 245K integrated GPUs, sometimes API versions are included.

DirectX	+	no data
OpenGL	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron J3455E and Core Ultra 5 245K.

PCIe version	2.0	5.0
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	1.41	28.03
Recency	1 July 2019	24 October 2024
Threads	4	14
Chip lithography	14 nm	3 nm
Power consumption (TDP)	10 Watt	125 Watt

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Should you still have questions on choice between Celeron J3455E and Core Ultra 5 245K, ask them in Comments section, and we shall answer.

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