Xeon Gold 6426Y vs Core i7-7740X

Primary details

Comparing Core i7-7740X and Xeon Gold 6426Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1013	160
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	8.63	no data
Market segment	Desktop processor	Server
Series	Core i7 (Desktop)	no data
Architecture codename	Kaby Lake-X (2017)	Sapphire Rapids
Release date	26 June 2017 (7 years ago)	10 January 2023 (1 year ago)
Launch price (MSRP)	$339	no data
Current price	$139 (0.4x MSRP)	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-7740X 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	4 (Quad-Core)	16 (Hexadeca-Core)
Threads	8	32
Base clock speed	4.3 GHz	2.5 GHz
Boost clock speed	4.5 GHz	4.1 GHz
L1 cache	64K (per core)	80K (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	8 MB (shared)	37.5 MB
Chip lithography	14 nm	Intel 7 nm
Maximum core temperature	100 °C	80 °C
Maximum case temperature (TCase)	72 °C	80 °C
64 bit support	+	+
Windows 11 compatibility	-	no data
Unlocked multiplier	Yes	No

Compatibility

Information on Core i7-7740X 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	1	2
Socket	FCLGA2066	FCLGA4677
Power consumption (TDP)	112 Watt	185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7740X and Xeon Gold 6426Y. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	+	no data
Enhanced SpeedStep (EIST)	+	+
Speed Shift	no data	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
TSX	+	+
Status	Discontinued	Launched

Security technologies

Core i7-7740X and Xeon Gold 6426Y technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7740X and Xeon Gold 6426Y are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7740X and Xeon Gold 6426Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR5-4800, DDR5-4400
Maximum memory size	64 GB	4 TB
Max memory channels	2	8
Maximum memory bandwidth	42 GB/s	no data
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

HD 630

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-7740X and Xeon Gold 6426Y.

PCIe version	3.0	5
PCI Express lanes	16	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.

Xeon Gold 6426Y outperforms Core i7-7740X by 332% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	6.23	26.91
Recency	26 June 2017	10 January 2023
Physical cores	4	16
Threads	8	32
Power consumption (TDP)	112 Watt	185 Watt

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Should you still have questions on choice between Core i7-7740X and Xeon Gold 6426Y, ask them in Comments section, and we shall answer.

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