Vertical Segment
Desktop
Processor Number
i9-11900KB
Status
Launched
Launch Date
Q2'21
Lithography
10 nm SuperFin
Recommended Customer Price
$539.00
Use Conditions
PC/Client/Tablet

CPU Specifications

# of Cores
8
# of Threads
16
Processor Base Frequency
3.30 GHz
Max Turbo Frequency
4.90 GHz
Cache
24 MB
Bus Speed
8 GT/s
Intel® Turbo Boost Max Technology 3.0 Frequency
4.90 GHz
TDP
65 W
Configurable TDP-up
65 W
Configurable TDP-down
55 W

Supplemental Information

Embedded Options Available
No
Datasheet

Memory Specifications

Max Memory Size (dependent on memory type)
128 GB
Memory Types
Up to 3200 MT/s
Max # of Memory Channels
2
Max Memory Bandwidth
51.2 GB/s
ECC Memory Supported
No

Processor Graphics

Processor Graphics
Intel® UHD Graphics for 11th Gen Intel® Processors
Graphics Base Frequency
350 MHz
Graphics Max Dynamic Frequency
1.45 GHz
Graphics Output
eDP 1.4b, DP 1.4, HDMI 2.0b
Execution Units
32
4K Support
Yes, at 60Hz
Max Resolution (HDMI)
4096x2304@60Hz
Max Resolution (DP)‡
7680x4320@60Hz
Max Resolution (eDP - Integrated Flat Panel)‡
4096 x 2304@60Hz
DirectX* Support
12
OpenGL* Support
4.6
Intel® Quick Sync Video
Yes
# of Displays Supported
4
OpenCL* Support
3.0

Expansion Options

PCI Express Configurations
Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Max # of PCI Express Lanes
20
Intel® Thunderbolt™ 4
Yes
Microprocessor PCIe Revision
Gen 4
Chipset / PCH PCIe Revision
Gen 3

Package Specifications

Sockets Supported
FCBGA1787
Max CPU Configuration
1
TJUNCTION
100°C
Package Size
50mm x 26.5mm
Operating Temperature (Maximum)
100 °C
Operating Temperature (Minimum)
0 °C

Advanced Technologies

Intel® Deep Learning Boost (Intel® DL Boost)
Yes
Intel® Optane™ Memory Supported
Yes
Intel® Speed Shift Technology
Yes
Intel® Turbo Boost Max Technology 3.0
Yes
Intel vPro® Platform Eligibility
No
Intel® Hyper-Threading Technology
Yes
Intel® Virtualization Technology (VT-x)
Yes
Intel® Virtualization Technology for Directed I/O (VT-d)
Yes
Intel® VT-x with Extended Page Tables (EPT)
Yes
Intel® Transactional Synchronization Extensions
No
Intel® 64
Yes
Instruction Set
64-bit
Instruction Set Extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Idle States
Yes
Enhanced Intel SpeedStep® Technology
Yes
Thermal Monitoring Technologies
Yes
Intel® Flex Memory Access
Yes
Intel® Identity Protection Technology
Yes
Intel® Gaussian and Neural Accelerator 2.0
Yes

Security & Reliability

Intel® AES New Instructions
Yes
Secure Key
Yes
Intel® Software Guard Extensions (Intel® SGX)
Yes with Intel® ME
Intel® OS Guard
Yes
Intel® Trusted Execution Technology
No
Execute Disable Bit
Yes
Intel® Boot Guard
Yes