Qualcomm Snapdragon 8cx vs Intel Core i3-11100B

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CPU comparison with benchmarks


Qualcomm Snapdragon 8cx CPU1 vs CPU2 Intel Core i3-11100B
Qualcomm Snapdragon 8cx Intel Core i3-11100B

CPU comparison

In this CPU comparison, we compare the Qualcomm Snapdragon 8cx and the Intel Core i3-11100B and use benchmarks to check which processor is faster.

We compare the Qualcomm Snapdragon 8cx 8 core processor released in Q4/2018 with the Intel Core i3-11100B which has 4 CPU cores and was introduced in Q2/2021.
Qualcomm Snapdragon (102) Family Intel Core i3 (205)
Qualcomm Snapdragon 8cx (2) CPU group Intel Core i 11000 (22)
2 Generation 11
Kryo 495 Architecture Rocket Lake S
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor Intel Core i3-12100

CPU Cores and Base Frequency

The Qualcomm Snapdragon 8cx is a 8 core processor with a clock frequency of 2.84 GHz. The processor can compute 8 threads at the same time. The Intel Core i3-11100B clocks with 3.60 GHz (4.40 GHz), has 4 CPU cores and can calculate 8 threads in parallel.

Qualcomm Snapdragon 8cx Characteristic Intel Core i3-11100B
8 Cores 4
8 Threads 8
hybrid (big.LITTLE) Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.84 GHz
4x Kryo 495 Gold
A-Core 3.60 GHz (4.40 GHz)
1.80 GHz
4x Kryo 495 Silver
B-Core --

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Qualcomm Snapdragon 8cx Characteristic Intel Core i3-11100B
Qualcomm AI engine AI hardware --
Hexagon 685 @ 3 TOPS AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Qualcomm Adreno 680 GPU Intel UHD Graphics 11th Gen (16 EU)
0.25 GHz GPU frequency 0.35 GHz
0.59 GHz GPU (Turbo) 1.40 GHz
5 GPU Generation 11
7 nm Technology 10 nm
2 Max. displays 3
8 Compute units 16
768 Shader 128
No Hardware Raytracing No
No Frame Generation No
4 GB Max. GPU Memory 64 GB
12.0 DirectX Version 12

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.

Qualcomm Adreno 680 GPU Intel UHD Graphics 11th Gen (16 EU)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 Decode
Decode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 16 GB of memory in a maximum of 8 memory channels is supported by the Qualcomm Snapdragon 8cx, while the Intel Core i3-11100B supports a maximum of 128 GB of memory with a maximum memory bandwidth of 51.2 GB/s enabled.

Qualcomm Snapdragon 8cx Characteristic Intel Core i3-11100B
LPDDR4X-4266 Memory DDR4-3200
16 GB Max. Memory 128 GB
8 (Octa Channel) Memory channels 2 (Dual Channel)
68.2 GB/s Max. Bandwidth 51.2 GB/s
No ECC No
-- L2 Cache --
2.00 MB L3 Cache 12.00 MB
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The Qualcomm Snapdragon 8cx has a TDP of 7 W. The TDP of the Intel Core i3-11100B is 65 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Qualcomm Snapdragon 8cx Characteristic Intel Core i3-11100B
7 W TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. 100 °C

Technical details

The Qualcomm Snapdragon 8cx has 2.00 MB cache and is manufactured in 7 nm. The cache of Intel Core i3-11100B is at 12.00 MB. The processor is manufactured in 14 nm.

Qualcomm Snapdragon 8cx Characteristic Intel Core i3-11100B
7 nm Technology 14 nm
Chiplet Chip design Monolithic
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
-- Socket LGA 1200
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Android, Windows 10 (ARM) Operating systems Windows 10, Windows 11, Linux
Q4/2018 Release date Q2/2021
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Qualcomm Snapdragon 8cx (52%)
Intel Core i3-11100B (100%)
⌀ Multi core performance in 1 CPU benchmarks
Qualcomm Snapdragon 8cx (60%)
Intel Core i3-11100B (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
724 (52%)
Intel Core i3-11100B Intel Core i3-11100B
4C 8T @ 4.40 GHz
1402 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
2808 (60%)
Intel Core i3-11100B Intel Core i3-11100B
4C 8T @ 4.30 GHz
4688 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
Qualcomm Adreno 680 @ 0.59 GHz
1843 (100%)
Intel Core i3-11100B Intel Core i3-11100B
Intel UHD Graphics 11th Gen (16 EU) @ 1.40 GHz
358 (19%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
0 (0%)
Intel Core i3-11100B Intel Core i3-11100B
4C 8T @ 4.30 GHz
11357 (100%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
3 (100%)
Intel Core i3-11100B Intel Core i3-11100B
4C 8T @ 3.60 GHz
0 (0%)

Devices using this processor

Qualcomm Snapdragon 8cx Intel Core i3-11100B
Lenovo Flex 5G
Lenovo Yoga C 5G
Samsung Galaxy Book S
Unknown

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