EPYC 9655P vs i9-9990XE

Primary details

Comparing Core i9-9990XE and EPYC 9655P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	306	1
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.98	2.62
Market segment	Workstation	Server
Series	Intel Core i9	no data
Power efficiency	7.05	23.66
Architecture codename	Skylake (server) (2017−2018)	Turin (2024)
Release date	3 January 2019 (5 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$2,800	$10,811

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9990XE has 14% better value for money than EPYC 9655P.

Detailed specifications

Core i9-9990XE and EPYC 9655P 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	14 (Tetradeca-Core)	96
Threads	28	192
Base clock speed	4 GHz	2.6 GHz
Boost clock speed	4 GHz	4.5 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	40	no data
L1 cache	896 KB	80 KB (per core)
L2 cache	14 MB	1 MB (per core)
L3 cache	19.25 MB (shared)	384 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	12x 70.6 mm2
Number of transistors	no data	99,780 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	+	-

Compatibility

Information on Core i9-9990XE and EPYC 9655P 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	2066	SP5
Power consumption (TDP)	255 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9990XE and EPYC 9655P. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
TSX	+	-
Precision Boost 2	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9990XE and EPYC 9655P 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 i9-9990XE and EPYC 9655P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Quad-channel	DDR5
Maximum memory size	128 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data

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 i9-9990XE and EPYC 9655P.

PCIe version	3.0	5.0
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	18.99	100.00
Recency	3 January 2019	10 October 2024
Physical cores	14	96
Threads	28	192
Chip lithography	14 nm	4 nm
Power consumption (TDP)	255 Watt	400 Watt

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Should you still have questions on choice between Core i9-9990XE and EPYC 9655P, ask them in Comments section, and we shall answer.

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