i7-1255U vs Xeon E-2356G

Primary details

Comparing Xeon E-2356G and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	670	895
Place by popularity	not in top-100	74
Market segment	Server	Laptop
Series	no data	Intel Alder Lake-M
Power efficiency	13.79	53.82
Architecture codename	Rocket Lake-E (2021)	Alder Lake-U (2022)
Release date	8 September 2021 (3 years ago)	23 February 2022 (2 years ago)

Detailed specifications

Xeon E-2356G 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	6 (Hexa-Core)	10 (Deca-Core)
Threads	12	12
Base clock speed	3.2 GHz	1.7 GHz
Boost clock speed	5 GHz	4.7 GHz
Bus rate	8 GT/s	no data
L1 cache	64K (per core)	80K (per core)
L2 cache	512K (per core)	1.25 MB (per core)
L3 cache	12 MB (shared)	12 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	100 °C	100 °C
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Xeon E-2356G 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	1	1
Socket	FCLGA1200	FCBGA1744
Power consumption (TDP)	80 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E-2356G and Core i7-1255U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	-	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	+
Flex Memory Access	no data	+
Deep Learning Boost	-	+

Security technologies

Xeon E-2356G and Core i7-1255U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E-2356G and Core i7-1255U are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E-2356G and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR4, DDR5
Maximum memory size	128 GB	64 GB
Max memory channels	2	2
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics P750	Intel® Iris® Xe Graphics eligible
Max video memory	64 GB	no data
Quick Sync Video	+	+
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.3 GHz	1.25 GHz
Execution Units	32	96
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Xeon E-2356G and Core i7-1255U integrated GPUs.

Number of displays supported

1

4

Graphics image quality

Maximum display resolutions supported by Xeon E-2356G and Core i7-1255U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096 x 2160 @60 Hz	4096 x 2304 @ 60Hz
Max resolution over eDP	5120 x 3200 @ 60 Hz	4096 x 2304 @ 120Hz
Max resolution over DisplayPort	5120 x 3200 @ 60 Hz	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Xeon E-2356G and Core i7-1255U integrated GPUs, sometimes API versions are included.

DirectX	12.1	12.1
OpenGL	4.5	4.6

Peripherals

Specifications and connection of peripherals supported by Xeon E-2356G and Core i7-1255U.

PCIe version	4.0	4.0
PCI Express lanes	44	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	11.66	8.53
Recency	8 September 2021	23 February 2022
Physical cores	6	10
Power consumption (TDP)	80 Watt	15 Watt

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Should you still have questions on choice between Xeon E-2356G and Core i7-1255U, ask them in Comments section, and we shall answer.

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