Ryzen 7 7840U vs EPYC Embedded 3151

Primary details

Comparing EPYC Embedded 3151 and Ryzen 7 7840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	435
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Series	AMD EPYC Embedded	AMD Phoenix (Zen 4, Ryzen 7040)
Power efficiency	no data	53.10
Architecture codename	Zen (2017−2020)	Phoenix-U (Zen 4) (2023)
Release date	21 February 2018 (6 years ago)	May 2023 (1 year ago)

Detailed specifications

EPYC Embedded 3151 and Ryzen 7 7840U 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)	8 (Octa-Core)
Threads	8	16
Base clock speed	2.7 GHz	3.3 GHz
Boost clock speed	2.9 GHz	5.1 GHz
Multiplier	27	no data
L1 cache	96K (per core)	64K (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	16 MB (shared)	16 MB (shared)
Chip lithography	14 nm	4 nm
Die size	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	-	+

Compatibility

Information on EPYC Embedded 3151 and Ryzen 7 7840U 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)	45 Watt	28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by EPYC Embedded 3151 and Ryzen 7 7840U. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by EPYC Embedded 3151 and Ryzen 7 7840U are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by EPYC Embedded 3151 and Ryzen 7 7840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5-5600
Maximum memory size	512 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 780M ( - 2700 MHz)

Peripherals

Specifications and connection of peripherals supported by EPYC Embedded 3151 and Ryzen 7 7840U.

PCIe version	3.0	4.0
PCI Express lanes	32	20

Pros & cons summary

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Physical cores	4	8
Threads	8	16
Chip lithography	14 nm	4 nm
Power consumption (TDP)	45 Watt	28 Watt

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Should you still have questions on choice between EPYC Embedded 3151 and Ryzen 7 7840U, ask them in Comments section, and we shall answer.

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