Ryzen 9 3900X vs Core i9-9990XE

General info

Comparing Core i9-9990XE and Ryzen 9 3900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	259	226
Place by popularity	not in top-100	not in top-100
Value for money	5.33	38.21
Market segment	Desktop processor	Desktop processor
Series	Intel Core i9	AMD Ryzen 9
Architecture codename	Skylake (server) (2017−2019)	Matisse (Zen 2) (2019−2020)
Release date	19 October 2018 (5 years old)	7 July 2019 (4 years old)
Launch price (MSRP)	no data	$499
Current price	$2163	$388 (0.8x MSRP)

Ryzen 9 3900X has 617% better value for money than i9-9990XE.

Technical specs

Core i9-9990XE and Ryzen 9 3900X 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	14 (Tetradeca-Core)	12 (Dodeca-Core)
Threads	28	24
Base clock speed	4 GHz	3.8 GHz
Boost clock speed	5.1 GHz	4.6 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	64 KB (per core)	96K (per core)
L2 cache	1 MB (per core)	512K (per core)
L3 cache	19.25 MB (shared)	64 MB
Chip lithography	14 nm	7 nm
Maximum core temperature	no data	95 °C
Number of transistors	no data	19,200 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i9-9990XE and Ryzen 9 3900X 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 (Uniprocessor)
Socket	2066	AM4
Power consumption (TDP)	255 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9990XE and Ryzen 9 3900X. You'll probably need this information if you require some particular technology.

AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
TSX	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9990XE and Ryzen 9 3900X 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 i9-9990XE and Ryzen 9 3900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4 Quad-channel	DDR4 Dual-channel
Maximum memory size	128 GB	128 GB
Max memory channels	4	2
Maximum memory bandwidth	85.33 GB/s	51.196 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

-

Peripherals

Specifications and connection of peripherals supported by Core i9-9990XE and Ryzen 9 3900X.

PCIe version	3.0	no data
PCI Express lanes	44	no data

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 3900X outperforms Core i9-9990XE by 8% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	19.69	21.32
Recency	19 October 2018	7 July 2019
Physical cores	14	12
Threads	28	24
Chip lithography	14 nm	7 nm
Power consumption (TDP)	255 Watt	125 Watt

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Should you still have questions on choice between Core i9-9990XE and Ryzen 9 3900X, ask them in Comments section, and we shall answer.

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