Core i7-1255U vs Xeon Platinum 8170

Primary details

Comparing Xeon Platinum 8170 and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	803
Place by popularity	not in top-100	89
Market segment	Server	Laptop
Series	Intel Xeon Platinum	Intel Alder Lake-M
Architecture codename	Skylake (server) (2017−2019)	Alder Lake-U (2022)
Release date	25 April 2017 (7 years ago)	23 February 2022 (2 years ago)
Launch price (MSRP)	$7,405	no data
Current price	$13298 (1.8x MSRP)	no data

Detailed specifications

Xeon Platinum 8170 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	26 (Hexacosa-Core)	10 (Deca-Core)
Threads	52	12
Base clock speed	2.1 GHz	1.7 GHz
Boost clock speed	3.7 GHz	4.7 GHz
L1 cache	1.625 MB	80K (per core)
L2 cache	26 MB	1.25 MB (per core)
L3 cache	35.75 MB	12 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	89 °C	100 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Platinum 8170 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	8 (Multiprocessor)	1
Socket	FCLGA3647	FCBGA1744
Power consumption (TDP)	165 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8170 and Core i7-1255U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
FMA	no data	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	+
TSX	+	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	+
Turbo Boost Max 3.0	-	no data
Status	Discontinued	Launched

Security technologies

Xeon Platinum 8170 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 Xeon Platinum 8170 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 Platinum 8170 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4, DDR5
Maximum memory size	768 GB	64 GB
Max memory channels	6	2
Maximum memory bandwidth	128.001 GB/s	no data
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 Xeon Platinum 8170 and Core i7-1255U integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by Xeon Platinum 8170 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 Xeon Platinum 8170 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 Xeon Platinum 8170 and Core i7-1255U.

PCIe version	3.0	4.0
PCI Express lanes	48	20

Pros & cons summary

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Recency	25 April 2017	23 February 2022
Physical cores	26	10
Threads	52	12
Power consumption (TDP)	165 Watt	15 Watt

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Should you still have questions on choice between Xeon Platinum 8170 and Core i7-1255U, ask them in Comments section, and we shall answer.

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