Ryzen 9 9950X vs Core i9-9900X

Primary details

Comparing Core i9-9900X and Ryzen 9 9950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	487	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	13.74	no data
Market segment	Desktop processor	Desktop processor
Series	Intel Core i9	no data
Architecture codename	Skylake (server) (2017−2019)	Granite Ridge
Release date	19 October 2018 (5 years ago)	July 2024 (recently)
Launch price (MSRP)	$989	no data
Current price	$468 (0.5x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i9-9900X 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	10 (Deca-Core)	16 (Hexadeca-Core)
Threads	20	32
Base clock speed	3.5 GHz	4.3 GHz
Boost clock speed	4.5 GHz	5.7 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	19.25 MB (shared)	64 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	2x 69 mm2
Maximum core temperature	92 °C	no data
Maximum case temperature (TCase)	72 °C	no data
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i9-9900X 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	1
Socket	FCLGA2066	AM5
Power consumption (TDP)	165 Watt	170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900X and Ryzen 9 9950X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Turbo Boost Max 3.0	+	no data
Status	Discontinued	no data

Security technologies

Core i9-9900X and Ryzen 9 9950X technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900X and Ryzen 9 9950X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900X and Ryzen 9 9950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5
Maximum memory size	128 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	85 GB/s	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

AMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Core i9-9900X and Ryzen 9 9950X.

PCIe version	3.0	5.0
PCI Express lanes	44	24

Pros & cons summary

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Physical cores	10	16
Threads	20	32
Chip lithography	14 nm	4 nm
Power consumption (TDP)	165 Watt	170 Watt

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Should you still have questions on choice between Core i9-9900X and Ryzen 9 9950X, ask them in Comments section, and we shall answer.

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