Xeon Gold 6426Y vs Gold 6128

Primary details

Comparing Xeon Gold 6128 and Xeon Gold 6426Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	945	211
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.13	43.15
Market segment	Server	Server
Series	Intel Xeon Gold	no data
Power efficiency	6.52	12.22
Architecture codename	Skylake (server) (2017−2018)	Sapphire Rapids (2023−2024)
Release date	25 April 2017 (7 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$1,697	$1,517

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6426Y has 1926% better value for money than Xeon Gold 6128.

Detailed specifications

Xeon Gold 6128 and Xeon Gold 6426Y 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	6 (Hexa-Core)	16 (Hexadeca-Core)
Threads	12	32
Base clock speed	3.4 GHz	2.5 GHz
Boost clock speed	3.7 GHz	4.1 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	34	no data
L1 cache	384 KB	80K (per core)
L2 cache	6 MB	2 MB (per core)
L3 cache	19.25 MB	37.5 MB
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	74 °C	no data
Maximum case temperature (TCase)	no data	80 °C
64 bit support	+	+
Windows 11 compatibility	+	no data

Compatibility

Information on Xeon Gold 6128 and Xeon Gold 6426Y 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)	2
Socket	FCLGA3647	FCLGA4677
Power consumption (TDP)	115 Watt	185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6128 and Xeon Gold 6426Y. 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	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Turbo Boost Max 3.0	-	no data
Deep Learning Boost	-	+

Security technologies

Xeon Gold 6128 and Xeon Gold 6426Y 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 6128 and Xeon Gold 6426Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6128 and Xeon Gold 6426Y. 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	+	+

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6128 and Xeon Gold 6426Y.

PCIe version	3.0	5
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.

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Pros & cons summary

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Performance score	7.96	24.02
Recency	25 April 2017	10 January 2023
Physical cores	6	16
Threads	12	32
Power consumption (TDP)	115 Watt	185 Watt

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Should you still have questions on choice between Xeon Gold 6128 and Xeon Gold 6426Y, ask them in Comments section, and we shall answer.

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