Core i9-10940X vs Ryzen 9 3950X

General info

Comparing Ryzen 9 3950X and Core i9-10940X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	170	301
Place by popularity	not in top-100	not in top-100
Value for money	15.13	18.68
Market segment	Desktop processor	Desktop processor
Series	AMD Ryzen 9	no data
Architecture codename	Matisse (Zen 2) (2019−2020)	Cascade Lake-X (2019)
Release date	14 November 2019 (4 years old)	19 October 2019 (4 years old)
Launch price (MSRP)	$799	no data
Current price	$1336 (1.7x MSRP)	$664

Value for money

Performance per price, higher is better.

i9-10940X has 23% better value for money than Ryzen 9 3950X.

Technical specs

Ryzen 9 3950X and Core i9-10940X 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)	14 (Tetradeca-Core)
Threads	32	28
Base clock speed	3.5 GHz	3.3 GHz
Boost clock speed	4.7 GHz	4.8 GHz
L1 cache	96K (per core)	64K (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	64 MB	19.25 MB (shared)
Chip lithography	7 nm	14 nm
Die size	2 x 72 mm + 125 mm (IO-Die) mm2	no data
Maximum core temperature	no data	86 °C
Number of transistors	19,200 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Ryzen 9 3950X and Core i9-10940X 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	FCLGA2066
Power consumption (TDP)	105 Watt	165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 9 3950X and Core i9-10940X. 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, FMA3, SHA, Precision Boost 2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	no data	+
Turbo Boost Technology	no data	2.0
Hyper-Threading Technology	no data	+
TSX	no data	+
Turbo Boost Max 3.0	no data	+
Status	no data	Launched

Security technologies

Ryzen 9 3950X and Core i9-10940X technologies aimed at improving security, for example, by protecting against hacks.

TXT	no data	+
EDB	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 9 3950X and Core i9-10940X 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 Ryzen 9 3950X and Core i9-10940X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Dual-channel	DDR4-2933
Maximum memory size	128 GB	256 GB
Max memory channels	no data	4
Maximum memory bandwidth	51.196 GB/s	94 GB/s
ECC memory support	+	-

Peripherals

Specifications and connection of peripherals supported by Ryzen 9 3950X and Core i9-10940X.

PCIe version	no data	3.0
PCI Express lanes	no data	48

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen 9 3950X outperforms Core i9-10940X by 39% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	25.34	18.19
Physical cores	16	14
Threads	32	28
Chip lithography	7 nm	14 nm
Power consumption (TDP)	105 Watt	165 Watt

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Should you still have questions on choice between Ryzen 9 3950X and Core i9-10940X, ask them in Comments section, and we shall answer.

Vote

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