Intel Core i9-11900KB vs Intel Core i9-11900

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-11900KB or Intel Core i9-11900KB – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i9-11900KB features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q2/2021 and belongs to the 11 generation of the Intel Core i9 series.
To use the Intel Core i9-11900KB, you'll need a motherboard with a BGA 1787 socket.
The Intel Core i9-11900 features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2021 and belongs to the 11 generation of the Intel Core i9 series.
To use the Intel Core i9-11900, you'll need a motherboard with a LGA 1200 socket.
Intel Core i 11000H Group Intel Core i 11000
11 Generation 11
Mobile Segment Desktop / Server
Intel Core i9-11900KB Name Intel Core i9-11900
Intel Core i9 Family Intel Core i9
 
 

CPU Cores and Base Frequency

The Intel Core i9-11900KB has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i9-11900KB is 3.3 GHz
and turbo frequency for one core is 5.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i9-11900 has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i9-11900 is 2.5 GHz
and turbo frequency for one core is 5.2 GHz.
16 Threads 16
8x Cores 8x
8 CPU Cores 8
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking No
5.3 GHz Turbo Frequency (1 core) 5.2 GHz
3.3 GHz Frequency 2.5 GHz
4.9 GHz Turbo Frequency (all cores) 3.8 GHz
 
 

Internal Graphics

The Intel Core i9-11900KB has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-11900KB uses the Intel UHD Graphics 11th Gen (32 EU), which has 256 texture shaders
and 32 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i9-11900 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-11900 uses the Intel UHD Graphics 750, which has 256 texture shaders
256 Shaders 256
Q2/2021 Release date Q1/2021
10 nm Technology 14 nm
12 Direct X 12
64.0 GB Max. GPU Memory 64.0 GB
-- Max. displays --
32 Execution units 32
0.35 GHz GPU frequency 0.35 GHz
11 Generation 12
1.45 GHz GPU (Turbo) 1.3 GHz
Intel UHD Graphics 11th Gen (32 EU) GPU name Intel UHD Graphics 750
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode VP8 Decode
Decode VC-1 Decode
Decode / Encode JPEG Decode / Encode
Decode AV1 Decode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
Yes AES-NI Yes
DDR4-3200 Memory type DDR4-3200
No ECC No
128.0 GB Max. Memory 128.0 GB
2 Memory channels 2
51.2 GB/s Bandwidth 51.2 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
55 W TDP down None
65 W TDP (PL1 / PBP) 65 W
100 °C Tjunction max 100 °C
 
 

Technical details

The Intel Core i9-11900KB is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 20.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-11900 is manufactured using a 14 nm process.
In total, this processor boasts a generous 16.0 MB cache.
Q2/2021 Release date Q1/2021
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
10 nm Technology 14 nm
Monolithic Chip design Monolithic
583 $ Release price 439 $
Tiger Lake H Architecture Rocket Lake S
20.0 MB L3-Cache 16.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
BGA 1787 Socket LGA 1200
4.0 MB L2-Cache 4.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i9-11900KB
8C 16T @ 3.3 GHz
23151
23151
Intel Core i9-11900
8C 16T @ 2.5 GHz
22830
22830

Geekbench 6 (Multi-Core)

Intel Core i9-11900KB
8C 16T @ 3.3 GHz
10645
10645
Intel Core i9-11900
8C 16T @ 2.5 GHz
10040
10040

Geekbench 6 (Single-Core)

Intel Core i9-11900KB
8C 16T @ 3.3 GHz
2231
2231
Intel Core i9-11900
8C 16T @ 2.5 GHz
2148
2148

Geekbench 5, 64bit (Single-Core)

Intel Core i9-11900KB
8C 16T @ 3.3 GHz
1878
1878
Intel Core i9-11900
8C 16T @ 2.5 GHz
1831
1831

Cinebench R23 (Single-Core)

Intel Core i9-11900KB
8C 16T @ 3.3 GHz
1663
1663
Intel Core i9-11900
8C 16T @ 2.5 GHz
1630
1630