Xeon E5-2686 v4 vs Ryzen Threadripper 3990X

Primary details

Comparing Ryzen Threadripper 3990X and Xeon E5-2686 v4 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	28	529
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	11.75	32.09
Market segment	Desktop processor	Server
Series	AMD Ryzen Threadripper	Intel Xeon E5
Architecture codename	Matisse (2019−2020)	Broadwell (2015−2019)
Release date	7 February 2020 (4 years ago)	20 June 2016 (8 years ago)
Launch price (MSRP)	$3,999	no data
Current price	$3750 (0.9x MSRP)	$80

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon E5-2686 v4 has 173% better value for money than Ryzen Threadripper 3990X.

Detailed specifications

Ryzen Threadripper 3990X and Xeon E5-2686 v4 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	64 (Tetrahexaconta-Core)	18 (Octadeca-Core)
Threads	128	36
Base clock speed	2.9 GHz	2.3 GHz
Boost clock speed	4.3 GHz	3 GHz
Bus support	no data	2 × 9.6 GT/s
L1 cache	96K (per core)	no data
L2 cache	512K (per core)	4.5 MB
L3 cache	256 MB	45 MB
Chip lithography	7 nm, 12 nm	14 nm
Die size	74 mm2	456.12 mm2
Maximum case temperature (TCase)	95 °C	no data
Number of transistors	3,800 million	7200 Million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	Yes	No

Compatibility

Information on Ryzen Threadripper 3990X and Xeon E5-2686 v4 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	2 (Multiprocessor)
Socket	TR4	no data
Power consumption (TDP)	280 Watt	145 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 3990X and Xeon E5-2686 v4. You'll probably need this information if you require some particular technology.

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

Security technologies

Ryzen Threadripper 3990X and Xeon E5-2686 v4 technologies aimed at improving security, for example, by protecting against hacks.

TXT

no data

+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 3990X and Xeon E5-2686 v4 are enumerated here.

AMD-V

+

no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3990X and Xeon E5-2686 v4. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-3200	no data
Maximum memory size	256 GB	1,536 GB
Max memory channels	4	no data
Maximum memory bandwidth	102.403 GB/s	no data
ECC memory support	+	no data

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 3990X and Xeon E5-2686 v4.

PCIe version	4.0	3.0
PCI Express lanes	no data	40

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 Threadripper 3990X outperforms Xeon E5-2686 v4 by 288% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	51.65	13.31
Recency	7 February 2020	20 June 2016
Physical cores	64	18
Threads	128	36
Chip lithography	7 nm	14 nm
Power consumption (TDP)	280 Watt	145 Watt

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Should you still have questions on choice between Ryzen Threadripper 3990X and Xeon E5-2686 v4, ask them in Comments section, and we shall answer.

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