i9-9900KF vs Xeon W-2145

VS

Aggregate performance score

Xeon W-2145
2017
8 cores / 16 threads, 140 Watt
11.45
Core i9-9900KF
2019
8 cores / 16 threads, 95 Watt
11.47
+0.2%

Primary details

Comparing Xeon W-2145 and Core i9-9900KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking689688
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.348.44
Market segmentServerDesktop processor
SeriesIntel Xeon WIntel Core i9
Power efficiency7.7411.42
Architecture codenameSkylake (server) (2017−2018)Coffee Lake-R (2018−2019)
Release date29 August 2017 (7 years ago)8 January 2019 (5 years ago)
Launch price (MSRP)$1,113$488

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-9900KF has 15% better value for money than Xeon W-2145.

Detailed specifications

Xeon W-2145 and Core i9-9900KF 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 cores8 (Octa-Core)8 (Octa-Core)
Threads1616
Base clock speed3.7 GHz3.6 GHz
Boost clock speed4.5 GHz5 GHz
Bus typeDMI 3.0DMI 3.0
Bus rate4 × 8 GT/s4 × 8 GT/s
Multiplier37no data
L1 cache64K (per core)64K (per core)
L2 cache1 MB (per core)256K (per core)
L3 cache11 MB (shared)16 MB (shared)
Chip lithography14 nm14 nm
Die size484 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)70 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Xeon W-2145 and Core i9-9900KF 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)
SocketSocket R4FCLGA1151
Power consumption (TDP)140 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and Core i9-9900KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
Flex Memory Access-no data
Demand Based Switching+no data
PAE46 Bitno data
Turbo Boost Max 3.0-no data

Security technologies

Xeon W-2145 and Core i9-9900KF technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
MPX++
Identity Protection++
SGX-Yes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and Core i9-9900KF are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Core i9-9900KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-2666
Maximum memory size512 GB128 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s42.671 GB/s
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon W-2145 and Core i9-9900KF.

PCIe version3.03.0
PCI Express lanes4816

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 W-2145 11.45
i9-9900KF 11.47
+0.2%

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 W-2145 18187
i9-9900KF 18220
+0.2%

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 W-2145 1417
i9-9900KF 1722
+21.5%

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 W-2145 7891
i9-9900KF 8124
+3%

Gaming performance

Pros & cons summary


Performance score 11.45 11.47
Recency 29 August 2017 8 January 2019
Power consumption (TDP) 140 Watt 95 Watt

i9-9900KF has a 0.2% higher aggregate performance score, an age advantage of 1 year, and 47.4% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Xeon W-2145 and Core i9-9900KF.

Be aware that Xeon W-2145 is a server/workstation processor while Core i9-9900KF is a desktop one.


Should you still have questions on choice between Xeon W-2145 and Core i9-9900KF, ask them in Comments section, and we shall answer.

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Intel Xeon W-2145
Xeon W-2145
Intel Core i9-9900KF
Core i9-9900KF

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Community ratings

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