Core i7-1255U vs Celeron M 350

Primary details

Comparing Celeron M 350 and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	805
Place by popularity	not in top-100	87
Market segment	Laptop	Laptop
Series	Celeron M	Intel Alder Lake-M
Architecture codename	Dothan (2004−2005)	Alder Lake-U (2022)
Release date	no data	23 February 2022 (2 years ago)
Current price	$221	no data

Detailed specifications

Celeron M 350 and Core i7-1255U 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	1 (Single-Core)	10 (Deca-Core)
Threads	1	12
Base clock speed	1.3 GHz	1.7 GHz
Boost clock speed	1.3 GHz	4.7 GHz
Bus support	400 MHz	no data
L1 cache	no data	80K (per core)
L2 cache	no data	1.25 MB (per core)
L3 cache	1 MB L2 KB	12 MB (shared)
Chip lithography	90 nm	Intel 7 nm
Maximum core temperature	100 °C	100 °C
64 bit support	-	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No
VID voltage range	1.26V	no data

Compatibility

Information on Celeron M 350 and Core i7-1255U 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	no data	1
Socket	PPGA478, H-PBGA479, H-PBGA478, PPGA479	FCBGA1744
Power consumption (TDP)	21 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron M 350 and Core i7-1255U. 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	no data	+
FMA	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	-	+
Speed Shift	no data	+
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	+
TSX	no data	+
Idle States	-	no data
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
Demand Based Switching	-	no data
PAE	32 Bit	no data
FSB parity	-	no data
Status	Discontinued	Launched

Security technologies

Celeron M 350 and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	+
EDB	+	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron M 350 and Core i7-1255U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron M 350 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	no data	DDR4, DDR5
Maximum memory size	no data	64 GB
Max memory channels	no data	2
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	no data	Intel® Iris® Xe Graphics eligible
Quick Sync Video	no data	+
Graphics max frequency	no data	1.25 GHz
Execution Units	no data	96

Graphics interfaces

Available interfaces and connections of Celeron M 350 and Core i7-1255U integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Celeron M 350 and Core i7-1255U 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 M 350 and Core i7-1255U integrated GPUs, sometimes API versions are included.

DirectX	no data	12.1
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by Celeron M 350 and Core i7-1255U.

PCIe version	no data	4.0
PCI Express lanes	no data	20

Pros & cons summary

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Physical cores	1	10
Threads	1	12
Power consumption (TDP)	21 Watt	15 Watt

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