i9-11900K vs Xeon E6540

VS

Primary details

Comparing Xeon E6540 and Core i9-11900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated428
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data18.92
Market segmentServerDesktop processor
Power efficiencyno data12.01
Architecture codenameno dataRocket Lake (2021)
Release date1 January 2010 (14 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)no data$539

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon E6540 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 cores6 (Hexa-Core)8 (Octa-Core)
Threads1216
Base clock speed2 GHz3.5 GHz
Boost clock speed2.27 GHz5.2 GHz
Bus rateno data8 GT/s
L1 cacheno data80 KB (per core)
L2 cacheno data512 KB (per core)
L3 cache18 MB L3 Cache16 MB (shared)
Chip lithography45 nm14 nm
Die sizeno data276 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support-+
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Xeon E6540 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 configurationno data1
SocketFCLGA1567FCLGA1200
Power consumption (TDP)105 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E6540 and Core i9-11900K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology1.02.0
Hyper-Threading Technology++
TSX-+
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Xeon E6540 and Core i9-11900K technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E6540 and Core i9-11900K are enumerated here.

VT-dno data+
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon E6540 and Core i9-11900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel 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 E6540 and Core i9-11900K integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Xeon E6540 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 E6540 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 E6540 and Core i9-11900K.

PCIe versionno data4.0
PCI Express lanesno data20

Pros & cons summary


Recency 1 January 2010 16 March 2021
Physical cores 6 8
Threads 12 16
Chip lithography 45 nm 14 nm
Power consumption (TDP) 105 Watt 125 Watt

Xeon E6540 has 19% lower power consumption.

i9-11900K, on the other hand, has an age advantage of 11 years, 33.3% more physical cores and 33.3% more threads, and a 221.4% more advanced lithography process.

We couldn't decide between Xeon E6540 and Core i9-11900K. We've got no test results to judge.

Be aware that Xeon E6540 is a server/workstation processor while Core i9-11900K is a desktop one.


Should you still have questions on choice between Xeon E6540 and Core i9-11900K, 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 E6540
Xeon E6540
Intel Core i9-11900K
Core i9-11900K

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.


5 3 votes

Rate Xeon E6540 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.6 1166 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Xeon E6540 or Core i9-11900K, agree or disagree with our judgements, or report an error or mismatch.