EPYC 9355 vs Atom Z670

Primary details

Comparing Atom Z670 and EPYC 9355 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	3383	not rated
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Atom	no data
Power efficiency	3.15	no data
Architecture codename	Lincroft (2010−2011)	Turin (2024)
Release date	11 April 2011 (13 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$75	$3,694

Detailed specifications

Atom Z670 and EPYC 9355 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	1 (Single-Core)	32 (Dotriaconta-Core)
Threads	2	64
Base clock speed	1.5 GHz	3.55 GHz
Boost clock speed	1.5 GHz	4.4 GHz
Bus type	cDMI	no data
Bus rate	400 MT/s	no data
Multiplier	8	no data
L1 cache	64K (per core)	80 KB (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	0 KB	256 MB (shared)
Chip lithography	45 nm	4 nm
Die size	65 mm2	8x 70.6 mm2
Maximum core temperature	90 °C	no data
Number of transistors	140 million	66,520 million
64 bit support	-	+
Windows 11 compatibility	-	no data

Compatibility

Information on Atom Z670 and EPYC 9355 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	T-PBGA518	SP5
Power consumption (TDP)	3 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Atom Z670 and EPYC 9355. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE2, Intel® SSE3, Intel® SSSE3	no data
AES-NI	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Precision Boost 2	no data	+

Security technologies

Atom Z670 and EPYC 9355 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Atom Z670 and EPYC 9355 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Atom Z670 and EPYC 9355. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR2	DDR5
Maximum memory size	2.93 GB	no data
Max memory channels	1	no data
Maximum memory bandwidth	3.2 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

PowerVR SGX535

N/A

Graphics interfaces

Available interfaces and connections of Atom Z670 and EPYC 9355 integrated GPUs.

LVDS

+

no data

Peripherals

Specifications and connection of peripherals supported by Atom Z670 and EPYC 9355.

PCIe version	no data	5.0
PCI Express lanes	no data	128
PCI support	-	no data

Pros & cons summary

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Recency	11 April 2011	10 October 2024
Physical cores	1	32
Threads	2	64
Chip lithography	45 nm	4 nm
Power consumption (TDP)	3 Watt	280 Watt

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