Ryzen 5 8645HS vs EPYC Embedded 3351

Primary details

Comparing EPYC Embedded 3351 and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	not rated	442
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	AMD EPYC Embedded	no data
Architecture codename	Zen (2017−2020)	Hawk Point-HS (Zen 4)
Release date	21 February 2018 (6 years ago)	6 December 2023 (less than a year ago)

Detailed specifications

EPYC Embedded 3351 and Ryzen 5 8645HS 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	12 (Dodeca-Core)	6 (Hexa-Core)
Threads	24	12
Base clock speed	1.9 GHz	4.3 GHz
Boost clock speed	3 GHz	5 GHz
L1 cache	96K (per core)	64 KB (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	32 MB (shared)	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	2x 213 mm2	178 mm2
Maximum core temperature	no data	100 °C
Number of transistors	4,800 million	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	No	No

Compatibility

Information on EPYC Embedded 3351 and Ryzen 5 8645HS 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)	1
Socket	AMD BGA SP4r2	FP8
Power consumption (TDP)	80 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC Embedded 3351 and Ryzen 5 8645HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	DDR5-5600/LPDDR5x-7500 RAM, PCIe 4, Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC Embedded 3351 and Ryzen 5 8645HS are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC Embedded 3351 and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5
Maximum memory size	1 TiB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 760M

Peripherals

Specifications and connection of peripherals supported by EPYC Embedded 3351 and Ryzen 5 8645HS.

PCIe version	3.0	4.0
PCI Express lanes	64	20

Pros & cons summary

---

Recency	21 February 2018	6 December 2023
Physical cores	12	6
Threads	24	12
Chip lithography	14 nm	4 nm
Power consumption (TDP)	80 Watt	45 Watt

---

Should you still have questions on choice between EPYC Embedded 3351 and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---