EPYC 7343 vs Ryzen 9 5900HX

Primary details

Comparing Ryzen 9 5900HX and EPYC 7343 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	500	172
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	13.86
Market segment	Laptop	Server
Series	AMD Cezanne (Zen 3, Ryzen 5000)	AMD EPYC
Architecture codename	Cezanne-H (Zen 3) (2021)	Milan (2021−2023)
Release date	12 January 2021 (3 years ago)	12 January 2021 (3 years ago)
Launch price (MSRP)	no data	$1,565

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 5900HX and EPYC 7343 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	8 (Octa-Core)	16 (Hexadeca-Core)
Threads	16	32
Base clock speed	3.3 GHz	3.2 GHz
Boost clock speed	4.6 GHz	3.9 GHz
Multiplier	33	32
L1 cache	64K (per core)	1 MB
L2 cache	512K (per core)	8 MB
L3 cache	16 MB (shared)	128 MB (shared)
Chip lithography	7 nm	7 nm+
Die size	156 mm2	4x 81 mm2
Maximum core temperature	105 °C	no data
Number of transistors	9,800 million	16,600 million
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Ryzen 9 5900HX and EPYC 7343 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	2
Socket	FP6	SP3
Power consumption (TDP)	45 Watt	190 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 5900HX and EPYC 7343. You'll probably need this information if you require some particular technology.

Instruction set extensions	MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA	no data
AES-NI	+	+
AVX	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 5900HX and EPYC 7343 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 5900HX and EPYC 7343. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-3200
Maximum memory size	no data	4 TiB
Maximum memory bandwidth	no data	204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon RX Vega 8 (Ryzen 4000/5000)

N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 5900HX and EPYC 7343.

PCIe version	3.0	4.0
PCI Express lanes	no data	128

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.

Pros & cons summary

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Performance score	14.76	28.40
Physical cores	8	16
Threads	16	32
Power consumption (TDP)	45 Watt	190 Watt

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Should you still have questions on choice between Ryzen 9 5900HX and EPYC 7343, ask them in Comments section, and we shall answer.

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