i3-11100B vs i7-11700K

Aggregate performance score

Core i7-11700K
2021
8 cores / 16 threads, 125 Watt
16.06
+116%

Core i7-11700K outperforms Core i3-11100B by a whopping 116% based on our aggregate benchmark results.

Primary details

Comparing Core i7-11700K and Core i3-11100B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking442983
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesIntel Core i7no data
Power efficiency11.7210.41
Architecture codenameRocket Lake (2021)no data
Release date16 March 2021 (3 years ago)1 April 2021 (3 years ago)

Detailed specifications

Core i7-11700K and Core i3-11100B 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)4 (Quad-Core)
Threads168
Base clock speed3.6 GHz3.6 GHz
Boost clock speed5 GHz4.4 GHz
Bus rate8 GT/s8 GT/s
L1 cache64K (per core)no data
L2 cache512K (per core)no data
L3 cache16 MB (shared)12 MB
Chip lithography14 nm10 nm SuperFin
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i7-11700K and Core i3-11100B 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 configuration11
SocketFCLGA1200no data
Power consumption (TDP)125 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-11700K and Core i3-11100B. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA+-
AVX+-
vPro+-
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX+-
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
SIPP++
Turbo Boost Max 3.0++
Deep Learning Boost++

Security technologies

Core i7-11700K and Core i3-11100B technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key++
Identity Protection++
SGX-Yes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-11700K and Core i3-11100B are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-11700K and Core i3-11100B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4Up to 3200 MT/s
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth50 GB/s45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 750Intel® UHD Graphics for 11th Gen Intel® Processors
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.3 GHz1.4 GHz
Execution Units3216
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-11700K and Core i3-11100B integrated GPUs.

Number of displays supported34
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i7-11700K and Core i3-11100B integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2160@60Hz4096 x 2304@30Hz
Max resolution over eDP5120 x 3200 @60Hz4096 x 2304@60Hz
Max resolution over DisplayPort5120 x 3200 @60Hz4096 x 2304@60Hz

Graphics API support

APIs supported by Core i7-11700K and Core i3-11100B integrated GPUs, sometimes API versions are included.

DirectX12.112
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i7-11700K and Core i3-11100B.

PCIe version4.03.0
PCI Express lanes2016

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i7-11700K 16.06
+116%
i3-11100B 7.42

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i7-11700K 24581
+116%
i3-11100B 11357

Gaming performance

Pros & cons summary


Performance score 16.06 7.42
Physical cores 8 4
Threads 16 8
Chip lithography 14 nm 10 nm
Power consumption (TDP) 125 Watt 65 Watt

i7-11700K has a 116.4% higher aggregate performance score, and 100% more physical cores and 100% more threads.

i3-11100B, on the other hand, has a 40% more advanced lithography process, and 92.3% lower power consumption.

The Core i7-11700K is our recommended choice as it beats the Core i3-11100B in performance tests.

Note that Core i7-11700K is a desktop processor while Core i3-11100B is a notebook one.


Should you still have questions on choice between Core i7-11700K and Core i3-11100B, 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 i7-11700K
Core i7-11700K
Intel Core i3-11100B
Core i3-11100B

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Community ratings

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Questions & comments

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