Xeon W-1350 vs i9-9900K

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Aggregate performance score

Core i9-9900K
2018
8 cores / 16 threads, 95 Watt
11.49
Xeon W-1350
2021
6 cores / 12 threads, 80 Watt
11.97
+4.2%

Xeon W-1350 outperforms Core i9-9900K by a minimal 4% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900K and Xeon W-1350 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking686650
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.9393.55
Market segmentDesktop processorServer
SeriesCore i9 (Desktop)no data
Power efficiency11.4514.16
Architecture codenameCoffee Lake-R (2018−2019)Rocket Lake-S (2021)
Release date19 October 2018 (6 years ago)6 May 2021 (3 years ago)
Launch price (MSRP)$488$255

Cost-effectiveness evaluation

Performance per price, higher is better.

Xeon W-1350 has 1080% better value for money than i9-9900K.

Detailed specifications

Core i9-9900K and Xeon W-1350 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)6 (Hexa-Core)
Threads1612
Base clock speed3.6 GHz3.3 GHz
Boost clock speed5 GHz5 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
L1 cache64K (per core)80 KB (per core)
L2 cache256K (per core)512 KB (per core)
L3 cache16 MB (shared)12 MB (shared)
Chip lithography14 nm14 nm
Die size178 mm2276 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-9900K and Xeon W-1350 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
SocketLGA-1151FCLGA1200
Power consumption (TDP)95 Watt80 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900K and Xeon W-1350. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
SIPP+-
Turbo Boost Max 3.0no data-
Deep Learning Boost-+

Security technologies

Core i9-9900K and Xeon W-1350 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9900K and Xeon W-1350 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9900K and Xeon W-1350. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth44.668 GB/s50 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630Intel UHD Graphics P750
Max video memory64 GB64 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.2 GHz1.3 GHz
Execution Unitsno data32
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i9-9900K and Xeon W-1350 integrated GPUs.

Number of displays supported33

Graphics image quality

Maximum display resolutions supported by Core i9-9900K and Xeon W-1350 integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096 x 2304@24Hz4096x2160@60Hz
Max resolution over eDP4096 x 2304@60Hz5120 x 3200 @60Hz
Max resolution over DisplayPort4096 x 2304@60Hz5120 x 3200 @60Hz

Graphics API support

APIs supported by Core i9-9900K and Xeon W-1350 integrated GPUs, sometimes API versions are included.

DirectX1212.1
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i9-9900K and Xeon W-1350.

PCIe version3.04.0
PCI Express lanes1620

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.

i9-9900K 11.49
Xeon W-1350 11.97
+4.2%

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.

i9-9900K 18251
Xeon W-1350 19007
+4.1%

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.

i9-9900K 1702
Xeon W-1350 2153
+26.5%

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.

i9-9900K 8054
Xeon W-1350 8167
+1.4%

Gaming performance

Pros & cons summary


Performance score 11.49 11.97
Integrated graphics card 3.09 4.56
Recency 19 October 2018 6 May 2021
Physical cores 8 6
Threads 16 12
Power consumption (TDP) 95 Watt 80 Watt

i9-9900K has 33.3% more physical cores and 33.3% more threads.

Xeon W-1350, on the other hand, has a 4.2% higher aggregate performance score, 47.6% faster integrated GPU, an age advantage of 2 years, and 18.8% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Core i9-9900K and Xeon W-1350.

Note that Core i9-9900K is a desktop processor while Xeon W-1350 is a server/workstation one.


Should you still have questions on choice between Core i9-9900K and Xeon W-1350, ask them in Comments section, and we shall answer.

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Intel Core i9-9900K
Core i9-9900K
Intel Xeon W-1350
Xeon W-1350

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


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Questions & comments

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