Ultra 7 155U vs EPYC 7453

Primary details

Comparing EPYC 7453 and Core Ultra 7 155U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	128	733
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	16.25	no data
Market segment	Server	Laptop
Series	AMD EPYC	Intel Meteor Lake-U
Power efficiency	13.40	66.63
Architecture codename	Milan (2021−2023)	Meteor Lake-P (2023)
Release date	12 January 2021 (3 years ago)	14 December 2023 (less than a year ago)
Launch price (MSRP)	$1,570	$490

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

EPYC 7453 and Core Ultra 7 155U 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	28 (Octacosa-Core)	12 (Dodeca-Core)
Threads	56	14
Base clock speed	2.75 GHz	1.7 GHz
Boost clock speed	3.45 GHz	4.8 GHz
Multiplier	27.5	no data
L1 cache	1792 KB	112 KB (per core)
L2 cache	14 MB	2 MB (per core)
L3 cache	64 MB (shared)	12 MB (shared)
Chip lithography	7 nm+	Intel 4 nm
Die size	4x 81 mm2	no data
Maximum core temperature	no data	110 °C
Number of transistors	16,600 million	no data
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on EPYC 7453 and Core Ultra 7 155U 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	2	1
Socket	SP3	FCBGA2049
Power consumption (TDP)	225 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC 7453 and Core Ultra 7 155U. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI	+	+
AVX	+	+
vPro	no data	+
Enhanced SpeedStep (EIST)	no data	+
Speed Shift	no data	+
Hyper-Threading Technology	no data	+
TSX	-	+
Thermal Monitoring	-	+
Flex Memory Access	no data	+
Turbo Boost Max 3.0	no data	-
Deep Learning Boost	-	+
Supported AI Software Frameworks	-	OpenVINO™, WindowsML, ONNX RT

Security technologies

EPYC 7453 and Core Ultra 7 155U technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+
Secure Key	no data	+
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC 7453 and Core Ultra 7 155U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC 7453 and Core Ultra 7 155U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5
Maximum memory size	4 TiB	96 GB
Max memory channels	no data	2
Maximum memory bandwidth	204.795 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	N/A	Intel® Graphics
Quick Sync Video	-	+
Graphics max frequency	no data	1.95 GHz

Graphics interfaces

Available interfaces and connections of EPYC 7453 and Core Ultra 7 155U integrated GPUs.

Number of displays supported

no data

4

Graphics image quality

Maximum display resolutions supported by EPYC 7453 and Core Ultra 7 155U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	no data	4096 x 2304 @ 60Hz (HDMI 2.1 TMDS) 7680 x 4320 @ 60Hz (HDMI2.1 FRL)
Max resolution over eDP	no data	3840x2400 @ 120Hz
Max resolution over DisplayPort	no data	7680 x 4320 @ 60Hz

Graphics API support

APIs supported by EPYC 7453 and Core Ultra 7 155U integrated GPUs, sometimes API versions are included.

DirectX	no data	12.2
OpenGL	no data	4.6

Peripherals

Specifications and connection of peripherals supported by EPYC 7453 and Core Ultra 7 155U.

PCIe version	4.0	4.0
PCI Express lanes	128	12
PCI support	no data	4.0

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	32.45	10.76
Recency	12 January 2021	14 December 2023
Physical cores	28	12
Threads	56	14
Power consumption (TDP)	225 Watt	15 Watt

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Should you still have questions on choice between EPYC 7453 and Core Ultra 7 155U, ask them in Comments section, and we shall answer.

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