i9-11900K vs Xeon Platinum 8253

Aggregate performance score

Xeon Platinum 8253
2018
16 cores / 32 threads, 125 Watt
17.73
+11.8%
Core i9-11900K
2021
8 cores / 16 threads, 125 Watt
15.86

Xeon Platinum 8253 outperforms Core i9-11900K by a moderate 12% based on our aggregate benchmark results.

Primary details

Comparing Xeon Platinum 8253 and Core i9-11900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking351429
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation8.0818.91
Market segmentServerDesktop processor
SeriesIntel Xeon Platinumno data
Power efficiency13.4112.00
Architecture codenameCascade Lake-SP (2018)Rocket Lake (2021)
Release date11 December 2018 (6 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)$3,115$539

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-11900K has 134% better value for money than Xeon Platinum 8253.

Detailed specifications

Xeon Platinum 8253 and Core i9-11900K 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)8 (Octa-Core)
Threads3216
Base clock speed2.2 GHz3.5 GHz
Boost clock speed3 GHz5.2 GHz
Bus rateno data8 GT/s
Multiplier22no data
L1 cache64 KB (per core)80 KB (per core)
L2 cache1 MB (per core)512 KB (per core)
L3 cache22 MB (shared)16 MB (shared)
Chip lithography14 nm14 nm
Die sizeno data276 mm2
Maximum core temperature87 °C100 °C
Maximum case temperature (TCase)87 °C72 °C
Number of transistors8,000 millionno data
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Xeon Platinum 8253 and Core i9-11900K 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 configuration8 (Multiprocessor)1
SocketFCLGA3647FCLGA1200
Power consumption (TDP)125 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon Platinum 8253 and Core i9-11900K. 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, Intel® AVX-512
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shift+no data
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 Platinum 8253 and Core i9-11900K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon Platinum 8253 and Core i9-11900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon Platinum 8253 and Core i9-11900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2933DDR4
Maximum memory size1 TB128 GB
Max memory channels62
Maximum memory bandwidth140.8 GB/s50 GB/s
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel UHD Graphics 750
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.3 GHz
Execution Unitsno data32
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Xeon Platinum 8253 and Core i9-11900K integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Xeon Platinum 8253 and Core i9-11900K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@60Hz
Max resolution over eDPno data5120 x 3200 @60Hz
Max resolution over DisplayPortno data5120 x 3200 @60Hz

Graphics API support

APIs supported by Xeon Platinum 8253 and Core i9-11900K integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Xeon Platinum 8253 and Core i9-11900K.

PCIe version3.04.0
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 Platinum 8253 17.73
+11.8%
i9-11900K 15.86

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 Platinum 8253 28165
+11.8%
i9-11900K 25191

Gaming performance

Pros & cons summary


Performance score 17.73 15.86
Recency 11 December 2018 16 March 2021
Physical cores 16 8
Threads 32 16

Xeon Platinum 8253 has a 11.8% higher aggregate performance score, and 100% more physical cores and 100% more threads.

i9-11900K, on the other hand, has an age advantage of 2 years.

The Xeon Platinum 8253 is our recommended choice as it beats the Core i9-11900K in performance tests.

Be aware that Xeon Platinum 8253 is a server/workstation processor while Core i9-11900K is a desktop one.


Should you still have questions on choice between Xeon Platinum 8253 and Core i9-11900K, ask them in Comments section, and we shall answer.

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Intel Xeon Platinum 8253
Xeon Platinum 8253
Intel Core i9-11900K
Core i9-11900K

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