Ultra 7 155HL vs Xeon 678X

Primary details

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

Place in the ranking	47	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	13.15	no data
Market segment	Server	Desktop processor
Power efficiency	7.40	no data
Designer	Intel	Intel
Manufacturer	Intel	Intel
Architecture codename	Granite Rapids (2024−2026)	Meteor Lake-PS (2024)
Release date	2 February 2026 (recently)	8 April 2024 (1 year ago)
Launch price (MSRP)	$3,749	$438

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Xeon 678X and Core Ultra 7 155HL 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	48 (Octatetraconta-Core)	16 (Hexadeca-Core)
Performance-cores	48	no data
Threads	96	22
Base clock speed	2.4 GHz	1.4 GHz
Boost clock speed	4.9 GHz	4.8 GHz
Bus rate	0 GT/s	no data
L1 cache	112 KB (per core)	112 KB (per core)
L2 cache	2 MB (per core)	2 MB (per core)
L3 cache	192 MB (shared)	24 MB (shared)
Chip lithography	Intel 3 nm	7 nm
Die size	2x 598 mm2	no data
Maximum case temperature (TCase)	82 °C	no data
64 bit support	+	+
Unlocked multiplier	+	-

Compatibility

Information on Xeon 678X and Core Ultra 7 155HL 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	FCLGA4710	1851
Power consumption (TDP)	300 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon 678X and Core Ultra 7 155HL. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
vPro	+	+
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
Deep Learning Boost	+	-

Security technologies

Xeon 678X and Core Ultra 7 155HL technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	no data
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon 678X and Core Ultra 7 155HL are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon 678X and Core Ultra 7 155HL. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5(6400MT/s)MRDIMM(8000MT/s)	DDR5 Depends on motherboard
Maximum memory size	4 TB	no data
Max memory channels	8	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

Arc Xe-LPG 128EU

Peripherals

Specifications and connection of peripherals supported by Xeon 678X and Core Ultra 7 155HL.

PCIe version	5.0	4.0
PCI Express lanes	128	12

Pros & cons summary

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Recency	2 February 2026	8 April 2024
Physical cores	48	16
Threads	96	22
Power consumption (TDP)	300 Watt	45 Watt

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