Xeon W-2155 vs i9-9900X

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Aggregate performance score

Core i9-9900X
2018
10 cores / 20 threads, 165 Watt
14.28
+3.7%

Core i9-9900X outperforms Xeon W-2155 by a minimal 4% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900X and Xeon W-2155 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking529555
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.257.77
Market segmentDesktop processorServer
SeriesIntel Core i9Intel Xeon W
Power efficiency7.898.97
Architecture codenameSkylake (server) (2017−2019)Skylake (server) (2017−2019)
Release date19 October 2018 (6 years ago)29 August 2017 (7 years ago)
Launch price (MSRP)$989$1,440

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2155 has 48% better value for money than i9-9900X.

Detailed specifications

Core i9-9900X and Xeon W-2155 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)10 (Deca-Core)
Threads2020
Base clock speed3.5 GHz3.3 GHz
Boost clock speed4.5 GHz4.5 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier3533
L1 cache64 KB (per core)640 KB
L2 cache1 MB (per core)10 MB
L3 cache19.25 MB (shared)13.75 MB (shared)
Chip lithography14 nm14 nm
Die sizeno data484 mm2
Maximum core temperature92 °Cno data
Maximum case temperature (TCase)72 °C68 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-9900X and Xeon W-2155 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)1 (Uniprocessor)
SocketFCLGA2066FCLGA2066
Power consumption (TDP)165 Watt140 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900X and Xeon W-2155. 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® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data-
Demand Based Switchingno data+
PAEno data46 Bit
Turbo Boost Max 3.0+-

Security technologies

Core i9-9900X and Xeon W-2155 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900X and Xeon W-2155 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 W-2155. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666
Maximum memory size128 GB512 GB
Max memory channels44
Maximum memory bandwidth85.33 GB/s85.33 GB/s
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 W-2155.

PCIe version3.03.0
PCI Express lanes4448

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 14.28
+3.7%
Xeon W-2155 13.77

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 21853
+3.7%
Xeon W-2155 21070

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.

i9-9900X 1454
+7.6%
Xeon W-2155 1351

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.

i9-9900X 9316
+7.6%
Xeon W-2155 8660

Gaming performance

Pros & cons summary


Performance score 14.28 13.77
Recency 19 October 2018 29 August 2017
Power consumption (TDP) 165 Watt 140 Watt

i9-9900X has a 3.7% higher aggregate performance score, and an age advantage of 1 year.

Xeon W-2155, on the other hand, has 17.9% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i9-9900X and Xeon W-2155.

Note that Core i9-9900X is a desktop processor while Xeon W-2155 is a server/workstation one.


Should you still have questions on choice between Core i9-9900X and Xeon W-2155, ask them in Comments section, and we shall answer.

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Intel Core i9-9900X
Core i9-9900X
Intel Xeon W-2155
Xeon W-2155

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.1 100 votes

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3.9 19 votes

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Questions & comments

Here you can ask a question about Core i9-9900X or Xeon W-2155, agree or disagree with our judgements, or report an error or mismatch.