Xeon Gold 6138 vs Gold 6143

General info

Comparing Xeon Gold 6143 and Xeon Gold 6138 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	375	412
Place by popularity	not in top-100	not in top-100
Value for money	no data	36.04
Market segment	Server	Server
Series	no data	Intel Xeon Gold
Architecture codename	no data	Skylake (server) (2017−2019)
Release date	1 July 2017 (6 years old)	25 April 2017 (6 years old)
Launch price (MSRP)	no data	$2,612
Current price	no data	$258 (0.1x MSRP)

Value for money

Performance per price, higher is better.

Technical specs

Xeon Gold 6143 and Xeon Gold 6138 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)	20 (Icosa-Core)
Threads	32	40
Base clock speed	2.8 GHz	2 GHz
Boost clock speed	4 GHz	3.7 GHz
Bus support	no data	4 × 8 GT/s
L1 cache	no data	1.25 MB
L2 cache	no data	20 MB
L3 cache	22 MB	27.5 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	74 °C	86 °C
64 bit support	-	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Gold 6143 and Xeon Gold 6138 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	no data	4 (Multiprocessor)
Socket	FCLGA3647	FCLGA3647
Power consumption (TDP)	205 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6143 and Xeon Gold 6138. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Gold 6143 and Xeon Gold 6138 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6143 and Xeon Gold 6138 are enumerated here.

VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6143 and Xeon Gold 6138. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2666
Maximum memory size	768 GB	768 GB
Max memory channels	6	6
Maximum memory bandwidth	no data	128.001 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6143 and Xeon Gold 6138.

PCIe version	3.0	3.0
PCI Express lanes	48	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.

Gold 6143 outperforms Gold 6138 by 7% based on our aggregated benchmark results.

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Advantages and disadvantages

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Performance score	16.03	15.01
Recency	1 July 2017	25 April 2017
Physical cores	16	20
Threads	32	40
Power consumption (TDP)	205 Watt	125 Watt

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Should you still have questions on choice between Xeon Gold 6143 and Xeon Gold 6138, ask them in Comments section, and we shall answer.

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