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Intel Core i3-N305 vs Intel Atom C3758

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CPU comparison with benchmarks


Intel Core i3-N305 CPU1 vs CPU2 Intel Atom C3758
Intel Core i3-N305 Intel Atom C3758

CPU comparison

Intel Core i3-N305 or Intel Atom C3758 - 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 Core i3-N305 has 8 cores with 8 threads and clocks with a maximum frequency of 3.80 GHz. Up to 16 GB of memory is supported in 1 memory channels. The Intel Core i3-N305 was released in Q1/2023.

The Intel Atom C3758 has 8 cores with 8 threads and clocks with a maximum frequency of 2.20 GHz. The CPU supports up to 256 GB of memory in 2 memory channels. The Intel Atom C3758 was released in Q3/2017.
Intel Core i3 (205) Family Intel Atom (108)
Intel Core i N300 (2) CPU group Intel Atom C3000 (20)
13 Generation 5
Alder Lake N Architecture Denverton
Notebook Segment Desktop
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Core i3-N305 is a 8 core processor with a clock frequency of 1.80 GHz (3.80 GHz). The Intel Atom C3758 has 8 CPU cores with a clock frequency of 2.20 GHz.
Intel Core i3-N305 Characteristic Intel Atom C3758
8 Cores 8
8 Threads 8
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.80 GHz Frequency 2.20 GHz
3.80 GHz Turbo Frequency (1 Core) --
3.20 GHz Turbo Frequency (All Cores) --

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.
Intel Core i3-N305 Characteristic Intel Atom C3758
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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.
Intel UHD Graphics 13th Gen (32 EU) GPU no iGPU
0.30 GHz GPU frequency --
1.25 GHz GPU (Turbo) --
13 GPU Generation --
10 nm Technology
3 Max. displays
32 Compute units --
256 Shader --
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory --
12.1 DirectX Version --

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.
Intel UHD Graphics 13th Gen (32 EU) GPU no iGPU
Decode / Encode Codec h265 / HEVC (8 bit) No
Decode / Encode Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
Decode / Encode Codec VP9 No
Decode / Encode Codec VP8 No
Decode Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode / Encode Codec JPEG No

Memory & PCIe

The Intel Core i3-N305 supports a maximum of 16 GB of memory in 1 memory channels. The Intel Atom C3758 can connect up to 256 GB of memory in 2 memory channels.
Intel Core i3-N305 Characteristic Intel Atom C3758
LPDDR5-4800, DDR5-4800, DDR4-3200 Memory DDR4-2400
16 GB Max. Memory 256 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
38.4 GB/s Max. Bandwidth 38.4 GB/s
No ECC Yes
8.00 MB L2 Cache 16.00 MB
6.00 MB L3 Cache --
3.0 PCIe version 3.0
9 PCIe lanes 16
8.9 GB/s PCIe Bandwidth 15.8 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Core i3-N305 has a TDP of 15 W, that of the Intel Atom C3758 is 25 W.
Intel Core i3-N305 Characteristic Intel Atom C3758
15 W TDP (PL1 / PBP) 25 W
-- TDP (PL2) --
-- TDP up --
9 W TDP down --
105 °C Tjunction max. 100 °C

Technical details

The Intel Core i3-N305 has a 14.00 MB cache, while the Intel Atom C3758 cache has a total of 16.00 MB.
Intel Core i3-N305 Characteristic Intel Atom C3758
10 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX, AVX2 ISA extensions SSE4.1, SSE4.2
BGA Socket BGA 1310
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Linux
Q1/2023 Release date Q3/2017
309 $ Release price 193 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i3-N305 to help other visitors make their purchasing decisions. The average rating is 4.3 stars (110 ratings). Rate now:
Here you can rate the Intel Atom C3758 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:

Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Core i3-N305 (100%)
Intel Atom C3758 (34%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Core i3-N305 (100%)
Intel Atom C3758 (51%)

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 Core i3-N305 Intel Core i3-N305
8C 8T @ 3.80 GHz
1025 (100%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
349 (34%)

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 Core i3-N305 Intel Core i3-N305
8C 8T @ 3.20 GHz
4630 (100%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
2612 (56%)

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 Core i3-N305 Intel Core i3-N305
8C 8T @ 3.20 GHz
10430 (100%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
4750 (46%)

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.
Intel Core i3-N305 Intel Core i3-N305
8C 8T @ 3.80 GHz
1280 (100%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.
Intel Core i3-N305 Intel Core i3-N305
8C 8T @ 3.20 GHz
4965 (100%)
Intel Atom C3758 Intel Atom C3758
8C 8T @ 2.20 GHz
0 (0%)

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 Core i3-N305 Intel Core i3-N305
Intel UHD Graphics 13th Gen (32 EU) @ 1.25 GHz
640 (100%)
Intel Atom C3758 Intel Atom C3758
@ 0.00 GHz
0 (0%)

Devices using this processor
Intel Core i3-N305 Intel Atom C3758
Unknown Unknown

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