EPYC 7552 vs i9-9820X

Primary details

Comparing Core i9-9820X and EPYC 7552 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	599	76
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.84	7.00
Market segment	Desktop processor	Server
Series	Intel Core i9	AMD EPYC
Power efficiency	7.30	18.26
Architecture codename	Skylake (server) (2017−2018)	Zen 2 (2017−2020)
Release date	19 October 2018 (6 years ago)	7 August 2019 (5 years ago)
Launch price (MSRP)	$898	$4,025

Cost-effectiveness evaluation

Performance per price, higher is better.

EPYC 7552 has 45% better value for money than i9-9820X.

Detailed specifications

Core i9-9820X and EPYC 7552 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	10 (Deca-Core)	48 (Octatetraconta-Core)
Threads	20	96
Base clock speed	3.3 GHz	2.2 GHz
Boost clock speed	4.2 GHz	3.3 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	33	22
L1 cache	64 KB (per core)	96 KB (per core)
L2 cache	1 MB (per core)	512 KB (per core)
L3 cache	16.5 MB (shared)	192 MB (shared)
Chip lithography	14 nm	7 nm, 14 nm
Die size	no data	192 mm2
Maximum core temperature	92 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	3,800 million
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	+	-

Compatibility

Information on Core i9-9820X and EPYC 7552 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 (Multiprocessor)
Socket	FCLGA2066	SP3
Power consumption (TDP)	165 Watt	200 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9820X and EPYC 7552. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	+	no data
Precision Boost 2	no data	+

Security technologies

Core i9-9820X and EPYC 7552 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9820X and EPYC 7552 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 Core i9-9820X and EPYC 7552. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4 Eight-channel
Maximum memory size	128 GB	4 TiB
Max memory channels	4	8
Maximum memory bandwidth	85.33 GB/s	204.763 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

N/A

Peripherals

Specifications and connection of peripherals supported by Core i9-9820X and EPYC 7552.

PCIe version	3.0	4.0
PCI Express lanes	44	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.

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Pros & cons summary

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Performance score	12.72	38.58
Recency	19 October 2018	7 August 2019
Physical cores	10	48
Threads	20	96
Chip lithography	14 nm	7 nm
Power consumption (TDP)	165 Watt	200 Watt

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Should you still have questions on choice between Core i9-9820X and EPYC 7552, ask them in Comments section, and we shall answer.

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