EPYC 7663P vs Ryzen 9 7950X3D

Primary details

Comparing Ryzen 9 7950X3D and EPYC 7663P processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	61	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	47.93	no data
Market segment	Desktop processor	Server
Series	AMD Ryzen 9	no data
Architecture codename	Raphael (Zen4)	Milan (2021)
Release date	4 January 2023 (1 year ago)	no data
Launch price (MSRP)	$699	no data
Current price	$938 (1.3x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 9 7950X3D and EPYC 7663P 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)	56 (Hexapentaconta-Core)
Threads	32	112
Base clock speed	4.2 GHz	2 GHz
Boost clock speed	5.7 GHz	3.5 GHz
Bus support	64K (per core)	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	1 MB (per core)	512 KB (per core)
L3 cache	128 MB (shared)	256 MB (shared)
Chip lithography	5 nm	7 nm
Die size	2x 71 mm (CCD) sq. mm + 121 (I/O) mm2	8x 81 mm2
Maximum core temperature	89 °C	no data
Maximum case temperature (TCase)	47 °C	no data
Number of transistors	13,140 million	33,200 million
64 bit support	+	-
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen 9 7950X3D and EPYC 7663P 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	AM5	SP3
Power consumption (TDP)	120 Watt	240 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 7950X3D and EPYC 7663P. 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	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 7950X3D and EPYC 7663P are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 9 7950X3D and EPYC 7663P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR5-5200	DDR4
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 7663P.

PCIe version	5.0	4.0
PCI Express lanes	24	no data

Pros & cons summary

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Physical cores	16	56
Threads	32	112
Chip lithography	5 nm	7 nm
Power consumption (TDP)	120 Watt	240 Watt

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Should you still have questions on choice between Ryzen 9 7950X3D and EPYC 7663P, ask them in Comments section, and we shall answer.

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