EPYC 9655 vs Ryzen 9 7950X3D

Primary details

Comparing Ryzen 9 7950X3D and EPYC 9655 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	68	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	53.48	no data
Market segment	Desktop processor	Server
Series	AMD Ryzen 9	no data
Power efficiency	31.04	no data
Architecture codename	Raphael (Zen4) (2022−2023)	Turin (2024)
Release date	4 January 2023 (1 year ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$699	$11,852

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 7950X3D and EPYC 9655 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	16 (Hexadeca-Core)	96
Threads	32	192
Base clock speed	4.2 GHz	2.6 GHz
Boost clock speed	5.7 GHz	4.5 GHz
Bus rate	64K (per core)	no data
L1 cache	1024 KB	80 KB (per core)
L2 cache	16 MB	1 MB (per core)
L3 cache	128 MB (shared)	384 MB (shared)
Chip lithography	5 nm, 6 nm	4 nm
Die size	71+71+122 mm	12x 70.6 mm2
Maximum core temperature	89 °C	no data
Maximum case temperature (TCase)	47 °C	no data
Number of transistors	13,140 million	99,780 million
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	+	-

Compatibility

Information on Ryzen 9 7950X3D and EPYC 9655 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	AM5	SP5
Power consumption (TDP)	120 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7950X3D and EPYC 9655. You'll probably need this information if you require some particular technology.

Instruction set extensions	86x MMX(+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, AVX512F, FMA3, SHA, XFR2, Precision Boost 2	no data
AES-NI	+	+
AVX	+	+
Precision Boost 2	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7950X3D and EPYC 9655 are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7950X3D and EPYC 9655. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-5200	DDR5
Maximum memory size	128 GB	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

AMD Radeon Graphics (Ryzen 7000)

N/A

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 7950X3D and EPYC 9655.

PCIe version	5.0	5.0
PCI Express lanes	24	128

Pros & cons summary

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Recency	4 January 2023	10 October 2024
Physical cores	16	96
Threads	32	192
Chip lithography	5 nm	4 nm
Power consumption (TDP)	120 Watt	400 Watt

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Should you still have questions on choice between Ryzen 9 7950X3D and EPYC 9655, ask them in Comments section, and we shall answer.

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