Xeon W-2145 vs Gold 6138

Primary details

Comparing Xeon Gold 6138 and Xeon W-2145 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	414	603
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	70.53	22.17
Market segment	Server	Server
Series	Intel Xeon Gold	Intel Xeon W
Architecture codename	Skylake (server) (2017−2019)	Skylake-W (2018)
Release date	25 April 2017 (7 years ago)	29 August 2017 (6 years ago)
Launch price (MSRP)	$2,612	$1,113
Current price	$133 (0.1x MSRP)	$317 (0.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6138 has 218% better value for money than Xeon W-2145.

Detailed specifications

Xeon Gold 6138 and Xeon W-2145 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	20 (Icosa-Core)	8 (Octa-Core)
Threads	40	16
Base clock speed	2 GHz	3.7 GHz
Boost clock speed	3.7 GHz	4.5 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	1.25 MB	64K (per core)
L2 cache	20 MB	1 MB (per core)
L3 cache	27.5 MB	11 MB (shared)
Chip lithography	14 nm	14 nm
Die size	no data	484 mm2
Maximum core temperature	86 °C	70 °C
Maximum case temperature (TCase)	no data	70 °C
64 bit support	+	+
Windows 11 compatibility	+	+
Unlocked multiplier	No	No

Compatibility

Information on Xeon Gold 6138 and Xeon W-2145 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)	1
Socket	FCLGA3647	Socket R4
Power consumption (TDP)	125 Watt	140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6138 and Xeon W-2145. You'll probably need this information if you require some particular technology.

Instruction set extensions	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	+	+
Idle States	no data	+
Thermal Monitoring	no data	+
Flex Memory Access	no data	-
Demand Based Switching	no data	+
PAE	no data	46 Bit
Turbo Boost Max 3.0	-	-
Status	Launched	Discontinued

Security technologies

Xeon Gold 6138 and Xeon W-2145 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
Secure Key	no data	+
MPX	no data	+
Identity Protection	no data	+
SGX	no data	-
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6138 and Xeon W-2145 are enumerated here.

AMD-V	no data	+
VT-d	+	+
VT-x	+	+
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6138 and Xeon W-2145. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4
Maximum memory size	768 GB	512 GB
Max memory channels	6	4
Maximum memory bandwidth	128.001 GB/s	85.3 GB/s
ECC memory support	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6138 and Xeon W-2145.

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 6138 outperforms W-2145 by 29% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	15.18	11.75
Recency	25 April 2017	29 August 2017
Physical cores	20	8
Threads	40	16
Cost	$2612	$1113
Power consumption (TDP)	125 Watt	140 Watt

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Should you still have questions on choice between Xeon Gold 6138 and Xeon W-2145, ask them in Comments section, and we shall answer.

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