Xeon W-2125 vs i9-9940X

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Aggregate performance score

Core i9-9940X
2018
14 cores / 28 threads, 165 Watt
17.62
+178%
Xeon W-2125
2017
4 cores / 8 threads, 120 Watt
6.33

Core i9-9940X outperforms Xeon W-2125 by a whopping 178% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9940X and Xeon W-2125 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3561066
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.297.07
Market segmentDesktop processorServer
SeriesIntel Core i9Intel Xeon W
Power efficiency10.114.99
Architecture codenameSkylake (server) (2017−2018)Skylake (server) (2017−2018)
Release date19 October 2018 (6 years ago)29 August 2017 (7 years ago)
Launch price (MSRP)$1,387$444

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-2125 has 34% better value for money than i9-9940X.

Detailed specifications

Core i9-9940X and Xeon W-2125 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 cores14 (Tetradeca-Core)4 (Quad-Core)
Threads288
Base clock speed3.3 GHz4 GHz
Boost clock speed4.5 GHz4.5 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier3340
L1 cache64 KB (per core)64K (per core)
L2 cache1 MB (per core)1 MB (per core)
L3 cache19.25 MB (shared)8.25 MB (shared)
Chip lithography14 nm14 nm
Die size484 mm2484 mm2
Maximum core temperature88 °Cno data
Maximum case temperature (TCase)no data64 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-9940X and Xeon W-2125 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 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9940X and Xeon W-2125. 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 i9-9940X and Xeon W-2125 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 i9-9940X and Xeon W-2125 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9940X and Xeon W-2125. 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 i9-9940X and Xeon W-2125.

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.

i9-9940X 17.62
+178%
Xeon W-2125 6.33

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.

i9-9940X 27995
+178%
Xeon W-2125 10054

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.

i9-9940X 1459
+7.4%
Xeon W-2125 1359

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.

i9-9940X 10316
+108%
Xeon W-2125 4952

Gaming performance

Pros & cons summary


Performance score 17.62 6.33
Recency 19 October 2018 29 August 2017
Physical cores 14 4
Threads 28 8
Power consumption (TDP) 165 Watt 120 Watt

i9-9940X has a 178.4% higher aggregate performance score, an age advantage of 1 year, and 250% more physical cores and 250% more threads.

Xeon W-2125, on the other hand, has 37.5% lower power consumption.

The Core i9-9940X is our recommended choice as it beats the Xeon W-2125 in performance tests.

Note that Core i9-9940X is a desktop processor while Xeon W-2125 is a server/workstation one.


Should you still have questions on choice between Core i9-9940X and Xeon W-2125, ask them in Comments section, and we shall answer.

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Intel Core i9-9940X
Core i9-9940X
Intel Xeon W-2125
Xeon W-2125

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Community ratings

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Questions & comments

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