Xeon D-2876NT vs i9-11900KB

Primary details

Comparing Core i9-11900KB and Xeon D-2876NT processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking496not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation17.86no data
Market segmentDesktop processorServer
Power efficiency21.01no data
Architecture codenameTiger Lake-H (2021)no data
Release dateMay 2021 (3 years ago)1 October 2023 (1 year ago)
Launch price (MSRP)$539no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-11900KB and Xeon D-2876NT 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)
Threads1632
Base clock speed3.3 GHz2 GHz
Boost clock speed4.9 GHz3.1 GHz
Bus rate8 GT/sno data
L1 cache80K (per core)no data
L2 cache1.25 MB (per core)no data
L3 cache24 MB (shared)20 MB
Chip lithography10 nm SuperFinno data
Die size190 mm2no data
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier+-

Compatibility

Information on Core i9-11900KB and Xeon D-2876NT 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
SocketFCBGA1787FCBGA2579
Power consumption (TDP)65 Watt100 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900KB and Xeon D-2876NT. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® AVX-512
AES-NI++
AVX+-
Enhanced SpeedStep (EIST)++
QuickAssistno data+
Speed Shift+no data
Turbo Boost Technologyno data2.0
Hyper-Threading Technology++
Idle States+no data
Thermal Monitoring++
Flex Memory Access+no data
Turbo Boost Max 3.0+no data
Deep Learning Boost++

Security technologies

Core i9-11900KB and Xeon D-2876NT technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900KB and Xeon D-2876NT are enumerated here.

VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-11900KB and Xeon D-2876NT. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GB1 TB
Max memory channels24
Maximum memory bandwidth51.2 GB/sno data
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® UHD Graphics for 11th Gen Intel® Processorsno data
Quick Sync Video+-
Graphics max frequency1.45 GHzno data
Execution Units32no data

Graphics interfaces

Available interfaces and connections of Core i9-11900KB and Xeon D-2876NT integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i9-11900KB and Xeon D-2876NT integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@60Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort7680x4320@60Hzno data

Graphics API support

APIs supported by Core i9-11900KB and Xeon D-2876NT integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.6no data

Peripherals

Specifications and connection of peripherals supported by Core i9-11900KB and Xeon D-2876NT.

PCIe version4.04.0
PCI Express lanes2032
USB revisionno data3.0
Max number of SATA 6 Gb/s Portsno data24
Number of USB portsno data4
Integrated LANno data+

Pros & cons summary


Physical cores 8 16
Threads 16 32
Power consumption (TDP) 65 Watt 100 Watt

i9-11900KB has 53.8% lower power consumption.

Xeon D-2876NT, on the other hand, has 100% more physical cores and 100% more threads.

We couldn't decide between Core i9-11900KB and Xeon D-2876NT. We've got no test results to judge.

Note that Core i9-11900KB is a desktop processor while Xeon D-2876NT is a server/workstation one.


Should you still have questions on choice between Core i9-11900KB and Xeon D-2876NT, 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 i9-11900KB
Core i9-11900KB
Intel Xeon D-2876NT
Xeon D-2876NT

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.


1.7 63 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Xeon D-2876NT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-11900KB or Xeon D-2876NT, agree or disagree with our judgements, or report an error or mismatch.