i9-12900K vs Xeon Silver 4209T

Aggregate performance score

Xeon Silver 4209T
2019
8 cores / 16 threads, 70 Watt
6.98
Core i9-12900K
2021
16 cores / 24 threads, 125 Watt
26.11
+274%

Core i9-12900K outperforms Xeon Silver 4209T by a whopping 274% based on our aggregate benchmark results.

Primary details

Comparing Xeon Silver 4209T and Core i9-12900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1002185
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation15.1835.74
Market segmentServerDesktop processor
SeriesIntel Xeon SilverIntel Core i9
Power efficiency9.4419.77
Architecture codenameCascade Lake (2019−2020)Alder Lake, Golden Cove, Gracemont (2021)
Release date2 April 2019 (5 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)$501$589

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-12900K has 135% better value for money than Xeon Silver 4209T.

Detailed specifications

Xeon Silver 4209T and Core i9-12900K 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)16 (Hexadeca-Core)
Threads1624
Base clock speed2.2 GHz3.2 GHz
Boost clock speed3.2 GHz5.2 GHz
Bus typeno dataDMI 4.0
Bus rateno data8 × 16 GT/s
Multiplier2232
L1 cache512 KB80K (per core)
L2 cache8 MB1.25 MB (per core)
L3 cache11 MB30 MB (shared)
Chip lithography14 nm10 nm
Die sizeno data215.25 mm2"
Maximum core temperature91 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Xeon Silver 4209T and Core i9-12900K 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 configuration2 (Multiprocessor)1
SocketFCLGA3647FCLGA1700
Power consumption (TDP)70 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Silver 4209T and Core i9-12900K. 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++
Enhanced SpeedStep (EIST)++
Speed Shift++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Turbo Boost Max 3.0-+
Deep Learning Boost++

Security technologies

Xeon Silver 4209T and Core i9-12900K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Silver 4209T and Core i9-12900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Silver 4209T and Core i9-12900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR4, DDR5
Maximum memory size1 TB128 GB
Max memory channels62
Maximum memory bandwidth115.212 GB/s76.805 GB/s
ECC memory support++

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 770
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.55 GHz
Execution Unitsno data32

Graphics interfaces

Available interfaces and connections of Xeon Silver 4209T and Core i9-12900K integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Xeon Silver 4209T and Core i9-12900K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2160 @ 60Hz
Max resolution over eDPno data5120 x 3200 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Xeon Silver 4209T and Core i9-12900K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Xeon Silver 4209T and Core i9-12900K.

PCIe version3.05.0 and 4.0
PCI Express lanes4820

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 Silver 4209T 6.98
i9-12900K 26.11
+274%

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 Silver 4209T 11080
i9-12900K 41471
+274%

Gaming performance

Pros & cons summary


Performance score 6.98 26.11
Recency 2 April 2019 4 November 2021
Physical cores 8 16
Threads 16 24
Chip lithography 14 nm 10 nm
Power consumption (TDP) 70 Watt 125 Watt

Xeon Silver 4209T has 78.6% lower power consumption.

i9-12900K, on the other hand, has a 274.1% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 50% more threads, and a 40% more advanced lithography process.

The Core i9-12900K is our recommended choice as it beats the Xeon Silver 4209T in performance tests.

Be aware that Xeon Silver 4209T is a server/workstation processor while Core i9-12900K is a desktop one.


Should you still have questions on choice between Xeon Silver 4209T and Core i9-12900K, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Xeon Silver 4209T
Xeon Silver 4209T
Intel Core i9-12900K
Core i9-12900K

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.


4 1 vote

Rate Xeon Silver 4209T on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 1602 votes

Rate Core i9-12900K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Xeon Silver 4209T or Core i9-12900K, agree or disagree with our judgements, or report an error or mismatch.