Intel Atom C3758 vs Intel Core i5-11400H

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CPU comparison with benchmarks


Intel Atom C3758 CPU1 vs CPU2 Intel Core i5-11400H
Intel Atom C3758 Intel Core i5-11400H

CPU comparison

Intel Atom C3758 or Intel Core i5-11400H - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Intel Atom C3758 has 8 cores with 8 threads and clocks with a maximum frequency of 2.20 GHz. Up to 256 GB of memory is supported in 2 memory channels. The Intel Atom C3758 was released in Q3/2017.

The Intel Core i5-11400H has 6 cores with 12 threads and clocks with a maximum frequency of 4.50 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i5-11400H was released in Q2/2021.
Intel Atom (101) Family Intel Core i5 (328)
Intel Atom C3000 (20) CPU group Intel Core i 11000H (17)
5 Generation 11
Denverton Architecture Tiger Lake H
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom C3758 is a 8 core processor with a clock frequency of 2.20 GHz. The Intel Core i5-11400H has 6 CPU cores with a clock frequency of 2.70 GHz (4.50 GHz).

Intel Atom C3758 Characteristic Intel Core i5-11400H
8 Cores 6
8 Threads 12
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
2.20 GHz Frequency 2.70 GHz
-- Turbo Frequency (1 Core) 4.50 GHz
-- Turbo Frequency (All Cores) 3.70 GHz

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.

Intel Atom C3758 Characteristic Intel Core i5-11400H
-- AI hardware --
-- AI specifications --

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

no iGPU GPU Intel UHD Graphics 11th Gen (16 EU)
GPU frequency 0.35 GHz
-- GPU (Turbo) 1.45 GHz
-- GPU Generation 11
Technology 10 nm
Max. displays 3
-- Compute units 16
-- Shader 128
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
-- 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.

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

Memory & PCIe

The Intel Atom C3758 supports a maximum of 256 GB of memory in 2 memory channels. The Intel Core i5-11400H can connect up to 128 GB of memory in 2 memory channels.

Intel Atom C3758 Characteristic Intel Core i5-11400H
DDR4-2400 Memory DDR4-3200
256 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 51.2 GB/s
Yes ECC No
16.00 MB L2 Cache 5.00 MB
-- L3 Cache 12.00 MB
3.0 PCIe version 4.0
16 PCIe lanes 20
15.8 GB/s PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom C3758 has a TDP of 25 W, that of the Intel Core i5-11400H is 45 W.

Intel Atom C3758 Characteristic Intel Core i5-11400H
25 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 35 W
100 °C Tjunction max. 100 °C

Technical details

The Intel Atom C3758 has a 16.00 MB cache, while the Intel Core i5-11400H cache has a total of 17.00 MB.

Intel Atom C3758 Characteristic Intel Core i5-11400H
14 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 1310 Socket BGA 1787
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Linux Operating systems Windows 10, Windows 11, Linux
Q3/2017 Release date Q2/2021
193 $ Release price 250 $
show more data show more data


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.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
349 (24%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 4.50 GHz
1442 (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.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
2612 (40%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 3.70 GHz
6576 (100%)

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.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
4750 (30%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 3.70 GHz
15914 (100%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 4.50 GHz
1415 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 3.70 GHz
9237 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 4.50 GHz
1922 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 3.70 GHz
6237 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 4.50 GHz
545 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 3.70 GHz
3745 (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.
Intel Atom C3758 Intel Atom C3758
@ 0.00 GHz
0 (0%)
Intel Core i5-11400H Intel Core i5-11400H
Intel UHD Graphics 11th Gen (16 EU) @ 1.45 GHz
371 (100%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 3.70 GHz
558 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)
Intel Core i5-11400H Intel Core i5-11400H
6C 12T @ 2.70 GHz
3669 (100%)

Devices using this processor

Intel Atom C3758 Intel Core i5-11400H
Unknown Unknown

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