Xeon Gold 5512U vs Gold 6142

Primary details

Comparing Xeon Gold 6142 and Xeon Gold 5512U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	385	68
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.76	no data
Market segment	Server	Server
Series	Intel Xeon Gold	no data
Architecture codename	Skylake (server) (2017−2019)	Emerald Rapids
Release date	25 April 2017 (7 years ago)	1 October 2023 (less than a year ago)
Launch price (MSRP)	$2,946	no data
Current price	$1163 (0.4x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon Gold 6142 and Xeon Gold 5512U 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)	28 (Octacosa-Core)
Threads	32	56
Base clock speed	2.6 GHz	2.1 GHz
Boost clock speed	3.7 GHz	3.7 GHz
Bus support	4 × 8 GT/s	no data
L1 cache	1 MB	80 KB (per core)
L2 cache	16 MB	2 MB (per core)
L3 cache	22 MB	52.5 MB (shared)
Chip lithography	14 nm	Intel 7 nm
Die size	no data	2x 763 mm2
Maximum core temperature	85 °C	89 °C
Maximum case temperature (TCase)	no data	89 °C
64 bit support	+	+
Windows 11 compatibility	+	no data
Unlocked multiplier	No	No

Compatibility

Information on Xeon Gold 6142 and Xeon Gold 5512U 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	FCLGA4677
Power consumption (TDP)	150 Watt	185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6142 and Xeon Gold 5512U. 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® AMX, 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	-	no data
Status	Discontinued	Launched

Security technologies

Xeon Gold 6142 and Xeon Gold 5512U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	+
EDB	+	+
SGX	no data	Yes with Intel® SPS
OS Guard	no data	+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6142 and Xeon Gold 5512U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6142 and Xeon Gold 5512U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR5-4800, DDR5-4400
Maximum memory size	768 GB	4 TB
Max memory channels	6	8
Maximum memory bandwidth	128.001 GB/s	no data
ECC memory support	+	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

N/A

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6142 and Xeon Gold 5512U.

PCIe version	3.0	5.0
PCI Express lanes	48	80

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 5512U outperforms Gold 6142 by 141% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	16.12	38.88
Recency	25 April 2017	1 October 2023
Physical cores	16	28
Threads	32	56
Power consumption (TDP)	150 Watt	185 Watt

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Should you still have questions on choice between Xeon Gold 6142 and Xeon Gold 5512U, ask them in Comments section, and we shall answer.

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