Xeon Gold 6426Y vs i9-9900X

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Aggregate performance score

Core i9-9900X
2018
10 cores / 20 threads, 165 Watt
13.73
Xeon Gold 6426Y
2023
16 cores / 32 threads, 185 Watt
24.02
+74.9%

Xeon Gold 6426Y outperforms Core i9-9900X by an impressive 75% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900X and Xeon Gold 6426Y processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking542213
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.0743.15
Market segmentDesktop processorServer
SeriesIntel Core i9no data
Power efficiency7.8712.29
Architecture codenameSkylake (server) (2017−2018)Sapphire Rapids (2023−2024)
Release date8 October 2018 (6 years ago)10 January 2023 (1 year ago)
Launch price (MSRP)$989$1,517

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon Gold 6426Y has 751% better value for money than i9-9900X.

Detailed specifications

Core i9-9900X 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 cores10 (Deca-Core)16 (Hexadeca-Core)
Threads2032
Base clock speed3.5 GHz2.5 GHz
Boost clock speed4.5 GHz4.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier35no data
L1 cache640 KB80K (per core)
L2 cache10 MB2 MB (per core)
L3 cache19.25 MB (shared)37.5 MB
Chip lithography14 nmIntel 7 nm
Maximum core temperature92 °Cno data
Maximum case temperature (TCase)72 °C80 °C
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i9-9900X 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 configuration1 (Uniprocessor)2
SocketFCLGA2066FCLGA4677
Power consumption (TDP)165 Watt185 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900X and Xeon Gold 6426Y. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® AMX, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Turbo Boost Max 3.0+no data
Deep Learning Boost-+

Security technologies

Core i9-9900X and Xeon Gold 6426Y technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
SGXno dataYes with Intel® SPS
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900X and Xeon Gold 6426Y are enumerated here.

VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900X and Xeon Gold 6426Y. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5-4800, DDR5-4400
Maximum memory size128 GB4 TB
Max memory channels48
Maximum memory bandwidth85.33 GB/sno data
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/Ano data

Peripherals

Specifications and connection of peripherals supported by Core i9-9900X and Xeon Gold 6426Y.

PCIe version3.05
PCI Express lanes4480

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


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.

i9-9900X 13.73
Xeon Gold 6426Y 24.02
+74.9%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i9-9900X 21815
Xeon Gold 6426Y 38159
+74.9%

Gaming performance

Pros & cons summary


Performance score 13.73 24.02
Recency 8 October 2018 10 January 2023
Physical cores 10 16
Threads 20 32
Power consumption (TDP) 165 Watt 185 Watt

i9-9900X has 12.1% lower power consumption.

Xeon Gold 6426Y, on the other hand, has a 74.9% higher aggregate performance score, an age advantage of 4 years, and 60% more physical cores and 60% more threads.

The Xeon Gold 6426Y is our recommended choice as it beats the Core i9-9900X in performance tests.

Note that Core i9-9900X is a desktop processor while Xeon Gold 6426Y is a server/workstation one.


Should you still have questions on choice between Core i9-9900X and Xeon Gold 6426Y, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i9-9900X
Core i9-9900X
Intel Xeon Gold 6426Y
Xeon Gold 6426Y

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Community ratings

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Questions & comments

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