Ultra 7 256V vs Celeron U3405

Primary details

Comparing Celeron U3405 and Core Ultra 7 256V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	631
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	no data
Power efficiency	no data	67.69
Architecture codename	Westmere (2010−2011)	Lunar Lake (2024)
Release date	no data (2024 years ago)	24 September 2024 (less than a year ago)

Detailed specifications

Celeron U3405 and Core Ultra 7 256V 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)	8 (Octa-Core)
Threads	2	8
Base clock speed	1.06 GHz	2.2 GHz
Boost clock speed	0.07 GHz	4.8 GHz
Bus type	DMI 1.0	no data
Bus rate	1 × 2.5 GT/s	37 MHz
Multiplier	8	no data
L1 cache	128 KB	192 KB (per core)
L2 cache	512 KB	2.5 MB (per core)
L3 cache	2 MB	12 MB (shared)
Chip lithography	32 nm	3 nm
Die size	81 mm2	no data
Maximum core temperature	90 °C	100 °C
Number of transistors	382 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron U3405 and Core Ultra 7 256V 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	BGA1288	Intel BGA 2833
Power consumption (TDP)	18 Watt	17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron U3405 and Core Ultra 7 256V. You'll probably need this information if you require some particular technology.

AES-NI	-	+
FMA	+	-
AVX	-	+
Enhanced SpeedStep (EIST)	+	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Flex Memory Access	+	no data
PAE	36 Bit	no data
FDI	+	no data
Fast Memory Access	+	no data

Security technologies

Celeron U3405 and Core Ultra 7 256V technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron U3405 and Core Ultra 7 256V are enumerated here.

VT-d	-	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron U3405 and Core Ultra 7 256V. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	17.051 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for Previous Generation Intel® Processors	Arc 140V
Clear Video	+	no data
Graphics max frequency	500 MHz	no data

Graphics interfaces

Available interfaces and connections of Celeron U3405 and Core Ultra 7 256V integrated GPUs.

Number of displays supported

2

no data

Peripherals

Specifications and connection of peripherals supported by Celeron U3405 and Core Ultra 7 256V.

PCIe version	2.0	5.0
PCI Express lanes	16	4

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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Pros & cons summary

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Physical cores	2	8
Threads	2	8
Chip lithography	32 nm	3 nm
Power consumption (TDP)	18 Watt	17 Watt

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