Ryzen 9 9950X vs Xeon D-2161I

Primary details

Comparing Xeon D-2161I and Ryzen 9 9950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	57
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	63.93
Market segment	Server	Desktop processor
Series	Intel Xeon D	no data
Power efficiency	no data	23.24
Architecture codename	Skylake (server) (2017−2019)	Granite Ridge (2024)
Release date	7 February 2018 (6 years ago)	15 August 2024 (less than a year ago)
Launch price (MSRP)	$962	$649

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon D-2161I and Ryzen 9 9950X 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	12 (Dodeca-Core)	16 (Hexadeca-Core)
Threads	24	32
Base clock speed	2.2 GHz	4.3 GHz
Boost clock speed	3 GHz	5.7 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	22	no data
L1 cache	768 KB	80 KB (per core)
L2 cache	12 MB	1 MB (per core)
L3 cache	16.5 MB	64 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	2x 70.6 mm2
Maximum core temperature	no data	95 °C
Number of transistors	no data	16,630 million
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	-	+

Compatibility

Information on Xeon D-2161I and Ryzen 9 9950X 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	FCBGA2518	AM5
Power consumption (TDP)	90 Watt	170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-2161I and Ryzen 9 9950X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX2, Intel® AVX-512	SMT, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	no data
QuickAssist	-	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Idle States	+	no data
Thermal Monitoring	+	-
Turbo Boost Max 3.0	-	no data
Precision Boost 2	no data	+

Security technologies

Xeon D-2161I and Ryzen 9 9950X technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
MPX	+	-
SGX	-	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-2161I and Ryzen 9 9950X are enumerated here.

AMD-V	-	+
VT-d	+	no data
VT-x	+	no data
EPT	+	no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-2161I and Ryzen 9 9950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	512 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85.33 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Xeon D-2161I and Ryzen 9 9950X.

PCIe version	3.0	5.0
PCI Express lanes	32	24

Pros & cons summary

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Recency	7 February 2018	15 August 2024
Physical cores	12	16
Threads	24	32
Chip lithography	14 nm	4 nm
Power consumption (TDP)	90 Watt	170 Watt

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Should you still have questions on choice between Xeon D-2161I and Ryzen 9 9950X, ask them in Comments section, and we shall answer.

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