Xeon w9-3495X vs i9-11900KF

Aggregate performance score

Core i9-11900KF
2021
8 cores / 16 threads, 125 Watt
15.73
Xeon w9-3495X
2023
56 cores / 112 threads, 350 Watt
57.88
+268%

Xeon w9-3495X outperforms Core i9-11900KF by a whopping 268% based on our aggregate benchmark results.

Primary details

Comparing Core i9-11900KF and Xeon w9-3495X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking42721
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data18.77
Market segmentDesktop processorServer
Power efficiency11.9115.65
Architecture codenameRocket Lake (2021)Sapphire Rapids (2023−2024)
Release date16 March 2021 (3 years ago)15 February 2023 (1 year ago)
Launch price (MSRP)no data$5,889

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-11900KF and Xeon w9-3495X 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)56 (Hexapentaconta-Core)
Threads16112
Base clock speed3.5 GHz1.9 GHz
Boost clock speed5.2 GHz4.8 GHz
Bus rate8 GT/sno data
L1 cache64K (per core)80 KB (per core)
L2 cache256K (per core)2 MB (per core)
L3 cache16 MB (shared)105 MB
Chip lithography14 nmIntel 7 nm
Die sizeno data4x 477 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °C81 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i9-11900KF and Xeon w9-3495X 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 configuration11
SocketFCLGA1200FCLGA4677
Power consumption (TDP)125 Watt350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900KF and Xeon w9-3495X. 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® SSE4.1, Intel® AMX, Intel® SSE4.2, 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 States+no data
Thermal Monitoring+-
Turbo Boost Max 3.0++
Deep Learning Boost++

Security technologies

Core i9-11900KF and Xeon w9-3495X technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
Identity Protection+-
SGX--
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900KF and Xeon w9-3495X are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-11900KF and Xeon w9-3495X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-3200DDR5-4800
Maximum memory size128 GB4 TB
Max memory channels28
Maximum memory bandwidth50 GB/sno data
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 Core i9-11900KF and Xeon w9-3495X.

PCIe version4.05.0
PCI Express lanes20112

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.

i9-11900KF 15.73
Xeon w9-3495X 57.88
+268%

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.

i9-11900KF 24993
Xeon w9-3495X 91936
+268%

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.

i9-11900KF 2328
+10.3%
Xeon w9-3495X 2111

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.

i9-11900KF 10040
Xeon w9-3495X 18577
+85%

Gaming performance

Pros & cons summary


Performance score 15.73 57.88
Recency 16 March 2021 15 February 2023
Physical cores 8 56
Threads 16 112
Power consumption (TDP) 125 Watt 350 Watt

i9-11900KF has 180% lower power consumption.

Xeon w9-3495X, on the other hand, has a 268% higher aggregate performance score, an age advantage of 1 year, and 600% more physical cores and 600% more threads.

The Xeon w9-3495X is our recommended choice as it beats the Core i9-11900KF in performance tests.

Note that Core i9-11900KF is a desktop processor while Xeon w9-3495X is a server/workstation one.


Should you still have questions on choice between Core i9-11900KF and Xeon w9-3495X, ask them in Comments section, and we shall answer.

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Intel Core i9-11900KF
Core i9-11900KF
Intel Xeon w9-3495X
Xeon w9-3495X

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Community ratings

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Questions & comments

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