Xeon Gold 6338 vs i9-11900K

Aggregate performance score

Core i9-11900K
2021
8 cores / 16 threads, 125 Watt
15.86
Xeon Gold 6338
2021
32 cores / 64 threads, 205 Watt
21.29
+34.2%

Xeon Gold 6338 outperforms Core i9-11900K by a substantial 34% based on our aggregate benchmark results.

Primary details

Comparing Core i9-11900K and Xeon Gold 6338 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking429257
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation18.92no data
Market segmentDesktop processorServer
Power efficiency12.009.82
Architecture codenameRocket Lake (2021)no data
Release date16 March 2021 (3 years ago)1 April 2021 (3 years ago)
Launch price (MSRP)$539no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-11900K and Xeon Gold 6338 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)32 (Dotriaconta-Core)
Threads1664
Base clock speed3.5 GHz2 GHz
Boost clock speed5.2 GHz3.2 GHz
Bus rate8 GT/sno data
L1 cache80 KB (per core)no data
L2 cache512 KB (per core)no data
L3 cache16 MB (shared)48 MB
Chip lithography14 nm10 nm
Die size276 mm2no data
Maximum core temperature100 °C81 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support+-
Windows 11 compatibility++
Unlocked multiplier+-

Compatibility

Information on Core i9-11900K and Xeon Gold 6338 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 configuration1no data
SocketFCLGA1200FCLGA4189
Power consumption (TDP)125 Watt205 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900K and Xeon Gold 6338. 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® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI++
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)+no data
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States+no data
Thermal Monitoring+-
SIPP+-
Turbo Boost Max 3.0+no data
Deep Learning Boost++

Security technologies

Core i9-11900K and Xeon Gold 6338 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key+no data
Identity Protection+-
SGX-Yes with Intel® SPS
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900K and Xeon Gold 6338 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-11900K and Xeon Gold 6338. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4-3200
Maximum memory size128 GB6 TB
Max memory channels28
Maximum memory bandwidth50 GB/sno data
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 750no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
Execution Units32no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-11900K and Xeon Gold 6338 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i9-11900K and Xeon Gold 6338 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@60Hzno data
Max resolution over eDP5120 x 3200 @60Hzno data
Max resolution over DisplayPort5120 x 3200 @60Hzno data

Graphics API support

APIs supported by Core i9-11900K and Xeon Gold 6338 integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-11900K and Xeon Gold 6338.

PCIe version4.04.0
PCI Express lanes2064

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.

i9-11900K 15.86
Xeon Gold 6338 21.29
+34.2%

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.

i9-11900K 25191
Xeon Gold 6338 33814
+34.2%

Gaming performance

Pros & cons summary


Performance score 15.86 21.29
Physical cores 8 32
Threads 16 64
Chip lithography 14 nm 10 nm
Power consumption (TDP) 125 Watt 205 Watt

i9-11900K has 64% lower power consumption.

Xeon Gold 6338, on the other hand, has a 34.2% higher aggregate performance score, 300% more physical cores and 300% more threads, and a 40% more advanced lithography process.

The Xeon Gold 6338 is our recommended choice as it beats the Core i9-11900K in performance tests.

Note that Core i9-11900K is a desktop processor while Xeon Gold 6338 is a server/workstation one.


Should you still have questions on choice between Core i9-11900K and Xeon Gold 6338, 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 Core i9-11900K
Core i9-11900K
Intel Xeon Gold 6338
Xeon Gold 6338

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.


3.6 1166 votes

Rate Core i9-11900K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 16 votes

Rate Xeon Gold 6338 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-11900K or Xeon Gold 6338, agree or disagree with our judgements, or report an error or mismatch.