Ultra 7 265KF vs Xeon Platinum 8156

Primary details

Comparing Xeon Platinum 8156 and Core Ultra 7 265KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	89
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	97.68
Market segment	Server	Desktop processor
Series	Intel Xeon Platinum	no data
Power efficiency	no data	28.07
Architecture codename	Skylake (server) (2017−2018)	Arrow Lake-S (2024−2025)
Release date	25 April 2017 (7 years ago)	24 October 2024 (less than a year ago)
Launch price (MSRP)	$7,007	$379

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Platinum 8156 and Core Ultra 7 265KF 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	4 (Quad-Core)	20 (Icosa-Core)
Threads	8	20
Base clock speed	3.6 GHz	3.9 GHz
Boost clock speed	3.7 GHz	5.5 GHz
Multiplier	36	no data
L1 cache	256 KB	112 KB (per core)
L2 cache	4 MB	3 MB (per core)
L3 cache	16.5 MB	30 MB (shared)
Chip lithography	14 nm	3 nm
Die size	no data	243 mm2
Maximum core temperature	71 °C	no data
Number of transistors	no data	17,800 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	-	+

Compatibility

Information on Xeon Platinum 8156 and Core Ultra 7 265KF 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	1851
Power consumption (TDP)	105 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8156 and Core Ultra 7 265KF. 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	no data
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	+
Turbo Boost Max 3.0	-	no data

Security technologies

Xeon Platinum 8156 and Core Ultra 7 265KF technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8156 and Core Ultra 7 265KF are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8156 and Core Ultra 7 265KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5
Maximum memory size	768 GB	no data
Max memory channels	6	no data
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

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8156 and Core Ultra 7 265KF.

PCIe version	3.0	5.0
PCI Express lanes	48	20

Pros & cons summary

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Recency	25 April 2017	24 October 2024
Physical cores	4	20
Threads	8	20
Chip lithography	14 nm	3 nm
Power consumption (TDP)	105 Watt	125 Watt

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