i9-9900X vs Xeon Gold 6138

VS

Aggregate performance score

Xeon Gold 6138
2017
20 cores / 40 threads, 125 Watt
15.28
+11.1%
Core i9-9900X
2018
10 cores / 20 threads, 165 Watt
13.75

Xeon Gold 6138 outperforms Core i9-9900X by a moderate 11% based on our aggregate benchmark results.

Primary details

Comparing Xeon Gold 6138 and Core i9-9900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking457540
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation4.495.11
Market segmentServerDesktop processor
SeriesIntel Xeon GoldIntel Core i9
Power efficiency11.517.85
Architecture codenameSkylake (server) (2017−2018)Skylake (server) (2017−2018)
Release date25 April 2017 (7 years ago)19 October 2018 (6 years ago)
Launch price (MSRP)$2,612$989

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900X has 14% better value for money than Xeon Gold 6138.

Detailed specifications

Xeon Gold 6138 and Core i9-9900X 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 cores20 (Icosa-Core)10 (Deca-Core)
Threads4020
Base clock speed2 GHz3.5 GHz
Boost clock speed3.7 GHz4.5 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier2035
L1 cache1.25 MB64 KB (per core)
L2 cache20 MB1 MB (per core)
L3 cache27.5 MB19.25 MB (shared)
Chip lithography14 nm14 nm
Maximum core temperature86 °C92 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Xeon Gold 6138 and Core i9-9900X 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 configuration4 (Multiprocessor)1 (Uniprocessor)
SocketFCLGA3647FCLGA2066
Power consumption (TDP)125 Watt165 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Gold 6138 and Core i9-9900X. You'll probably need this information if you require some particular technology.

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

Security technologies

Xeon Gold 6138 and Core i9-9900X technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Gold 6138 and Core i9-9900X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Gold 6138 and Core i9-9900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4-2666
Maximum memory size768 GB128 GB
Max memory channels64
Maximum memory bandwidth128.001 GB/s85.33 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataN/A

Peripherals

Specifications and connection of peripherals supported by Xeon Gold 6138 and Core i9-9900X.

PCIe version3.03.0
PCI Express lanes4844

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.

Xeon Gold 6138 15.28
+11.1%
i9-9900X 13.75

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.

Xeon Gold 6138 24264
+11.1%
i9-9900X 21847

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Xeon Gold 6138 1082
i9-9900X 1451
+34.1%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Xeon Gold 6138 8111
i9-9900X 9300
+14.7%

Gaming performance

Pros & cons summary


Performance score 15.28 13.75
Recency 25 April 2017 19 October 2018
Physical cores 20 10
Threads 40 20
Power consumption (TDP) 125 Watt 165 Watt

Xeon Gold 6138 has a 11.1% higher aggregate performance score, 100% more physical cores and 100% more threads, and 32% lower power consumption.

i9-9900X, on the other hand, has an age advantage of 1 year.

The Xeon Gold 6138 is our recommended choice as it beats the Core i9-9900X in performance tests.

Be aware that Xeon Gold 6138 is a server/workstation processor while Core i9-9900X is a desktop one.


Should you still have questions on choice between Xeon Gold 6138 and Core i9-9900X, ask them in Comments section, and we shall answer.

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Intel Xeon Gold 6138
Xeon Gold 6138
Intel Core i9-9900X
Core i9-9900X

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Community ratings

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Questions & comments

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