EPYC 9555P vs Ryzen Threadripper 3990X

Primary details

Comparing Ryzen Threadripper 3990X and EPYC 9555P processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	33	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	9.52	no data
Market segment	Desktop processor	Server
Series	AMD Ryzen Threadripper	no data
Power efficiency	17.00	no data
Architecture codename	Matisse (2019−2020)	Turin (2024)
Release date	7 February 2020 (4 years ago)	10 October 2024 (recently)
Launch price (MSRP)	$3,999	$7,983

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen Threadripper 3990X and EPYC 9555P 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	64 (Tetrahexaconta-Core)	64 (Tetrahexaconta-Core)
Threads	128	128
Base clock speed	2.9 GHz	3.2 GHz
Boost clock speed	4.3 GHz	4.4 GHz
Multiplier	29	no data
L1 cache	96K (per core)	80 KB (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	256 MB	256 MB (shared)
Chip lithography	7 nm, 12 nm	4 nm
Die size	74 mm2	8x 70.6 mm2
Maximum case temperature (TCase)	95 °C	no data
Number of transistors	3,800 million	66,520 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen Threadripper 3990X and EPYC 9555P 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	1
Socket	TR4	SP5
Power consumption (TDP)	280 Watt	360 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 3990X and EPYC 9555P. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 3990X and EPYC 9555P are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3990X and EPYC 9555P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	DDR5
Maximum memory size	256 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	102.403 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 3990X and EPYC 9555P.

PCIe version	4.0	5.0
PCI Express lanes	no data	128

Pros & cons summary

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Recency	7 February 2020	10 October 2024
Chip lithography	7 nm	4 nm
Power consumption (TDP)	280 Watt	360 Watt

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Should you still have questions on choice between Ryzen Threadripper 3990X and EPYC 9555P, ask them in Comments section, and we shall answer.

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