Xeon 638 vs i7-10700KF

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	883	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Server
Power efficiency	3.54	no data
Designer	Intel	Intel
Manufacturer	Intel	Intel
Architecture codename	Comet Lake (2020−2025)	Granite Rapids (2024−2026)
Release date	30 April 2020 (5 years ago)	2 February 2026 (recently)
Launch price (MSRP)	no data	$899

Detailed specifications

Core i7-10700KF and Xeon 638 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	8 (Octa-Core)	16 (Hexadeca-Core)
Performance-cores	no data	16
Threads	16	32
Base clock speed	3.8 GHz	3.2 GHz
Boost clock speed	5.1 GHz	4.8 GHz
Bus rate	8 GT/s	0 GT/s
L1 cache	64K (per core)	112 KB (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	16 MB (shared)	72 MB (shared)
Chip lithography	14 nm	Intel 3 nm
Die size	no data	598 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	76 °C
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	+

Compatibility

Information on Core i7-10700KF and Xeon 638 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	FCLGA4710
Power consumption (TDP)	125 Watt	180 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-10700KF and Xeon 638. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	-	+
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	+	+
Deep Learning Boost	-	+

Security technologies

Core i7-10700KF and Xeon 638 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Identity Protection	+	-
SGX	Yes with Intel® ME	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-10700KF and Xeon 638 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-10700KF and Xeon 638. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2933	DDR5(6400MT/s)
Maximum memory size	128 GB	2 TB
Max memory channels	2	4
Maximum memory bandwidth	45.8 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 Core i7-10700KF and Xeon 638.

PCIe version	3.0	5.0
PCI Express lanes	16	80

Pros & cons summary

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Recency	30 April 2020	2 February 2026
Physical cores	8	16
Threads	16	32
Power consumption (TDP)	125 Watt	180 Watt

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