Xeon Gold 6138T vs Gold 6154

Primary details

Comparing Xeon Gold 6154 and Xeon Gold 6138T processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	336	574
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	4.96	3.25
Market segment	Server	Server
Series	Intel Xeon Gold	Intel Xeon Gold
Power efficiency	8.53	9.84
Architecture codename	Skylake (server) (2017−2018)	Skylake (server) (2017−2018)
Release date	11 July 2017 (7 years ago)	25 April 2017 (7 years ago)
Launch price (MSRP)	$3,543	$2,742

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6154 has 53% better value for money than Xeon Gold 6138T.

Detailed specifications

Xeon Gold 6154 and Xeon Gold 6138T 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	18 (Octadeca-Core)	20 (Icosa-Core)
Threads	36	40
Base clock speed	3 GHz	2 GHz
Boost clock speed	3.7 GHz	3.7 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	30	20
L1 cache	64K (per core)	1.25 MB
L2 cache	1 MB (per core)	20 MB
L3 cache	24.75 MB (shared)	27.5 MB
Chip lithography	14 nm	14 nm
Maximum core temperature	82 °C	94 °C
Number of transistors	8,000 million	no data
64 bit support	+	+
Windows 11 compatibility	+	+

Compatibility

Information on Xeon Gold 6154 and Xeon Gold 6138T 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	4 (Multiprocessor)	4 (Multiprocessor)
Socket	FCLGA3647	FCLGA3647
Power consumption (TDP)	200 Watt	125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6154 and Xeon Gold 6138T. 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® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	+
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	-

Security technologies

Xeon Gold 6154 and Xeon Gold 6138T technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6154 and Xeon Gold 6138T are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6154 and Xeon Gold 6138T. 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	128.001 GB/s	128.001 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6154 and Xeon Gold 6138T.

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.

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Pros & cons summary

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Performance score	18.03	13.00
Recency	11 July 2017	25 April 2017
Physical cores	18	20
Threads	36	40
Power consumption (TDP)	200 Watt	125 Watt

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Should you still have questions on choice between Xeon Gold 6154 and Xeon Gold 6138T, ask them in Comments section, and we shall answer.

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