Intel Core i3-11100B vs Intel Core i5-11400

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i3-11100B or Intel Core i3-11100B – 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 i3-11100B features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2021 and belongs to the 11 generation of the Intel Core i3 series.
To use the Intel Core i3-11100B, you'll need a motherboard with a LGA 1200 socket.
The Intel Core i5-11400 features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q1/2021 and belongs to the 11 generation of the Intel Core i5 series.
To use the Intel Core i5-11400, you'll need a motherboard with a LGA 1200 socket.
Intel Core i 11000 Group Intel Core i 11000
11 Generation 11
Desktop / Server Segment Desktop / Server
Intel Core i3-11100B Name Intel Core i5-11400
Intel Core i3 Family Intel Core i5
 
 

CPU Cores and Base Frequency

The Intel Core i3-11100B has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i3-11100B is 3.6 GHz
and turbo frequency for one core is 4.4 GHz.
The Intel Core i5-11400 has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i5-11400 is 2.6 GHz
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
8 Threads 12
4x Cores 6x
4 CPU Cores 6
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking No
4.4 GHz Turbo Frequency (1 core) 4.4 GHz
3.6 GHz Frequency 2.6 GHz
4.3 GHz Turbo Frequency (all cores) 4.2 GHz
 
 

Internal Graphics

The Intel Core i3-11100B has integrated graphics, called iGPU for short.
Specifically, the Intel Core i3-11100B uses the Intel UHD Graphics 11th Gen (16 EU), which has 128 texture shaders
and 16 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i5-11400 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-11400 uses the Intel UHD Graphics 730, which has 192 texture shaders
and 24 execution units.
128 Shaders 192
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 --
16 Execution units 24
0.35 GHz GPU frequency 0.35 GHz
11 Generation 12
1.4 GHz GPU (Turbo) 1.3 GHz
Intel UHD Graphics 11th Gen (16 EU) GPU name Intel UHD Graphics 730
 
 

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 / Encode
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.
65 W TDP (PL1 / PBP) 65 W
100 °C Tjunction max 100 °C
 
 

Technical details

The Intel Core i3-11100B is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 12.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i5-11400 is manufactured using a 14 nm process.
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
14 nm Technology 14 nm
Monolithic Chip design Monolithic
-- Release price 182 $
Rocket Lake S Architecture Rocket Lake S
12.0 MB L3-Cache 12.0 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 --
LGA 1200 Socket LGA 1200
0 bytes L2-Cache 3.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i5-11400
6C 12T @ 2.6 GHz
17082
17082
Intel Core i3-11100B
4C 8T @ 3.6 GHz
11357
11357

Geekbench 5, 64bit (Multi-Core)

Intel Core i5-11400
6C 12T @ 2.6 GHz
7270
7270
Intel Core i3-11100B
4C 8T @ 3.6 GHz
4688
4688

Geekbench 5, 64bit (Single-Core)

Intel Core i5-11400
6C 12T @ 2.6 GHz
1513
1513
Intel Core i3-11100B
4C 8T @ 3.6 GHz
1402
1402