EPYC 9455 vs Atom x5-Z8500

Primary details

Comparing Atom x5-Z8500 and EPYC 9455 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2623	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	5x Intel Atom	no data
Architecture codename	Cherry Trail (2015−2016)	Turin (2024)
Release date	2 March 2015 (9 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$5,412

Detailed specifications

Atom x5-Z8500 and EPYC 9455 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)	48 (Octatetraconta-Core)
Threads	4	96
Base clock speed	1.44 GHz	3.15 GHz
Boost clock speed	2.24 GHz	4.4 GHz
L1 cache	no data	80 KB (per core)
L2 cache	2 MB	1 MB (per core)
L3 cache	0 KB	192 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	6x 70.6 mm2
Maximum core temperature	90 °C	no data
Number of transistors	no data	49,890 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom x5-Z8500 and EPYC 9455 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 (Uniprocessor)	2
Socket	UTFCBGA1380	SP5
Power consumption (TDP)	no data	300 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom x5-Z8500 and EPYC 9455. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Precision Boost 2	no data	+

Security technologies

Atom x5-Z8500 and EPYC 9455 technologies aimed at improving security, for example, by protecting against hacks.

Secure Boot	+	no data
Identity Protection	+	-

Virtualization technologies

Virtual machine speed-up technologies supported by Atom x5-Z8500 and EPYC 9455 are enumerated here.

AMD-V	-	+
VT-x	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom x5-Z8500 and EPYC 9455. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	25.6 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics	N/A
Max video memory	8 GB	no data
Graphics max frequency	600 MHz	no data
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Atom x5-Z8500 and EPYC 9455 integrated GPUs.

Number of displays supported

3

no data

Graphics image quality

Maximum display resolutions supported by Atom x5-Z8500 and EPYC 9455 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3840x2160	no data
Max resolution over eDP	2560x1600	no data

Peripherals

Specifications and connection of peripherals supported by Atom x5-Z8500 and EPYC 9455.

PCIe version	2.0	5.0
PCI Express lanes	2	128
USB revision	3.0	no data
Number of USB ports	3	no data

Pros & cons summary

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Recency	2 March 2015	10 October 2024
Physical cores	4	48
Threads	4	96
Chip lithography	14 nm	4 nm

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Should you still have questions on choice between Atom x5-Z8500 and EPYC 9455, ask them in Comments section, and we shall answer.

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