Ryzen 9 9950X vs Ryzen 7 1800X

Primary details

Comparing Ryzen 7 1800X and Ryzen 9 9950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	685	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	12.81	no data
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 7	no data
Architecture codename	Zen (2017−2020)	Granite Ridge
Release date	22 February 2017 (7 years ago)	July 2024 (recently)
Launch price (MSRP)	$499	no data
Current price	$182 (0.4x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Ryzen 7 1800X 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	8 (Octa-Core)	16 (Hexadeca-Core)
Threads	16	32
Base clock speed	3.6 GHz	4.3 GHz
Boost clock speed	4 GHz	5.7 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	768 KB	64 KB (per core)
L2 cache	4096 KB	1 MB (per core)
L3 cache	16384 KB	64 MB (shared)
Chip lithography	14 nm	4 nm
Die size	213 mm2	2x 69 mm2
Number of transistors	4800 Million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	Yes	Yes

Compatibility

Information on Ryzen 7 1800X 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	AM4	AM5
Power consumption (TDP)	95 Watt	170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 7 1800X and Ryzen 9 9950X. You'll probably need this information if you require some particular technology.

Instruction set extensions	XFR, FMA3, SSE 4.2, AVX2, SMT	no data
AES-NI	+	+
FMA	FMA3	no data
AVX	+	+
XFR	+	no data
SenseMI	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 7 1800X and Ryzen 9 9950X are enumerated here.

AMD-V

+

+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 7 1800X and Ryzen 9 9950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5
Maximum memory size	64 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	42.671 GB/s	no data
ECC memory support	+	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

-

AMD Radeon Graphics

Peripherals

Specifications and connection of peripherals supported by Ryzen 7 1800X and Ryzen 9 9950X.

PCIe version	n/a	5.0
PCI Express lanes	20	24

Pros & cons summary

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Physical cores	8	16
Threads	16	32
Chip lithography	14 nm	4 nm
Power consumption (TDP)	95 Watt	170 Watt

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Should you still have questions on choice between Ryzen 7 1800X and Ryzen 9 9950X, ask them in Comments section, and we shall answer.

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