Xeon w9-3495X vs i9-12900K

VS

Aggregate performance score

Core i9-12900K
2021
16 cores / 24 threads, 125 Watt
26.09
Xeon w9-3495X
2023
56 cores / 112 threads, 350 Watt
57.83
+122%

Xeon w9-3495X outperforms Core i9-12900K by a whopping 122% based on our aggregate benchmark results.

Primary details

Comparing Core i9-12900K and Xeon w9-3495X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking19120
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation37.3018.76
Market segmentDesktop processorServer
SeriesIntel Core i9no data
Power efficiency19.7515.64
Architecture codenameAlder Lake, Golden Cove, Gracemont (2021)Sapphire Rapids (2023−2024)
Release date27 October 2021 (3 years ago)15 February 2023 (1 year ago)
Launch price (MSRP)$589$5,889

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-12900K has 99% better value for money than Xeon w9-3495X.

Detailed specifications

Core i9-12900K 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 cores16 (Hexadeca-Core)56 (Hexapentaconta-Core)
Threads24112
Base clock speed3.2 GHz1.9 GHz
Boost clock speed5.2 GHz4.8 GHz
Bus typeDMI 4.0no data
Bus rate8 × 16 GT/sno data
Multiplier32no data
L1 cache768 KB80 KB (per core)
L2 cache4 MB2 MB (per core)
L3 cache6 MB105 MB
Chip lithography10 nmIntel 7 nm
Die size215.25 mm2"4x 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 i9-12900K 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
SocketFCLGA1700FCLGA4677
Power consumption (TDP)125 Watt350 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-12900K 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® AVX2Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX-+
Idle States+no data
Thermal Monitoring+-
SIPP+-
Turbo Boost Max 3.0++
Deep Learning Boost++

Security technologies

Core i9-12900K and Xeon w9-3495X technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
SGXno data-
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-12900K 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 i9-12900K and Xeon w9-3495X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5-4800
Maximum memory size128 GB4 TB
Max memory channels28
Maximum memory bandwidth76.805 GB/sno data
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 770N/A
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.55 GHzno data
Execution Units32no data

Graphics interfaces

Available interfaces and connections of Core i9-12900K and Xeon w9-3495X integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i9-12900K and Xeon w9-3495X integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2160 @ 60Hzno data
Max resolution over eDP5120 x 3200 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core i9-12900K and Xeon w9-3495X integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-12900K and Xeon w9-3495X.

PCIe version5.0 and 4.05.0
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.

i9-12900K 26.09
Xeon w9-3495X 57.83
+122%

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.

i9-12900K 41435
Xeon w9-3495X 91866
+122%

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.

i9-12900K 2647
+25.5%
Xeon w9-3495X 2110

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.

i9-12900K 15555
Xeon w9-3495X 18543
+19.2%

Gaming performance

Pros & cons summary


Performance score 26.09 57.83
Recency 27 October 2021 15 February 2023
Physical cores 16 56
Threads 24 112
Power consumption (TDP) 125 Watt 350 Watt

i9-12900K has 180% lower power consumption.

Xeon w9-3495X, on the other hand, has a 121.7% higher aggregate performance score, an age advantage of 1 year, and 250% more physical cores and 366.7% more threads.

The Xeon w9-3495X is our recommended choice as it beats the Core i9-12900K in performance tests.

Note that Core i9-12900K is a desktop processor while Xeon w9-3495X is a server/workstation one.


Should you still have questions on choice between Core i9-12900K and Xeon w9-3495X, ask them in Comments section, and we shall answer.

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Intel Core i9-12900K
Core i9-12900K
Intel Xeon w9-3495X
Xeon w9-3495X

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Community ratings

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Questions & comments

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