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Intel Core i5-8265U vs Intel Atom C3758

Last updated: 2023-08-11

CPU comparison with benchmarks


Intel Core i5-8265U		Intel Atom C3758
CPU comparison Intel Core i5-8265U 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 i5-8265U has 4 cores with 8 threads and clocks with a maximum frequency of 3.90 GHz. Up to 32 GB of memory is supported in 2 memory channels. The Intel Core i5-8265U was released in Q3/2018. 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 i5 (336)	Family	Intel Atom (108)
Intel Core i 8000U (WL) (8)	CPU group	Intel Atom C3000 (20)
8	Generation	5
Whiskey Lake U	Architecture	Denverton
Notebook	Segment	Desktop
--	Predecessor	--
--	Successor	--

CPU Cores and Base Frequency The Intel Core i5-8265U is a 4 core processor with a clock frequency of 1.60 GHz (3.90 GHz). The Intel Atom C3758 has 8 CPU cores with a clock frequency of 2.20 GHz.
Intel Core i5-8265U	Characteristic	Intel Atom C3758
4	Cores	8
8	Threads	8
normal	Core architecture	normal
Yes	Hyperthreading	No
No	Overclocking ?	No
1.60 GHz	Frequency	2.20 GHz
3.90 GHz	Turbo Frequency (1 Core)	--
2.30 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 i5-8265U	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 620	GPU	no iGPU
0.30 GHz	GPU frequency	--
1.10 GHz	GPU (Turbo)	--
9.5	GPU Generation	--
14 nm	Technology
3	Max. displays
24	Compute units	--
192	Shader	--
No	Hardware Raytracing	No
No	Frame Generation	No
16 GB	Max. GPU Memory	--
12	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 620	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
No	Codec AV1	No
Decode / Encode	Codec AVC	No
Decode	Codec VC-1	No
Decode / Encode	Codec JPEG	No

Memory & PCIe The Intel Core i5-8265U supports a maximum of 32 GB of memory in 2 memory channels. The Intel Atom C3758 can connect up to 256 GB of memory in 2 memory channels.
Intel Core i5-8265U	Characteristic	Intel Atom C3758
DDR4-2400	Memory	DDR4-2400
32 GB	Max. Memory	256 GB
2 (Dual Channel)	Memory channels	2 (Dual Channel)
38.4 GB/s	Max. Bandwidth	38.4 GB/s
No	ECC	Yes
--	L2 Cache	16.00 MB
6.00 MB	L3 Cache	--
3.0	PCIe version	3.0
16	PCIe lanes	16
15.8 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 i5-8265U has a TDP of 15 W, that of the Intel Atom C3758 is 25 W.
Intel Core i5-8265U	Characteristic	Intel Atom C3758
15 W	TDP (PL1 / PBP)	25 W
--	TDP (PL2)	--
--	TDP up	--
--	TDP down	--
--	Tjunction max.	100 °C
Technical details The Intel Core i5-8265U has a 6.00 MB cache, while the Intel Atom C3758 cache has a total of 16.00 MB.

Intel Core i5-8265U	Characteristic	Intel Atom C3758
14 nm	Technology	14 nm
Monolithic	Chip design	Monolithic
x86-64 (64 bit)	Instruction set (ISA)	x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2	ISA extensions	SSE4.1, SSE4.2
BGA 1356	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
Q3/2018	Release date	Q3/2017
385 $	Release price	193 $

show more data		show more data

Intel Core i5-8265U 4C 8T @ 1.60 GHz (3.90 GHz) buy now on Amazon and save! Intel Atom C3758 8C 8T @ 2.20 GHz buy now on Amazon and save!

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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks

Intel Core i5-8265U (100%)

Intel Atom C3758 (38%)

⌀ Multi core performance in 2 CPU benchmarks

Intel Core i5-8265U (100%)

Intel Atom C3758 (86%)

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 i5-8265U 4C 8T @ 3.90 GHz	909 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	349 (38%)

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 i5-8265U 4C 8T @ 2.30 GHz	2806 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	2612 (93%)

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 i5-8265U 4C 8T @ 2.30 GHz	6062 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	4750 (78%)

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 Core i5-8265U 4C 8T @ 3.90 GHz	606 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	0 (0%)

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 Core i5-8265U 4C 8T @ 2.30 GHz	1674 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	0 (0%)

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 i5-8265U 4C 8T @ 3.90 GHz	1286 (100%)
	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 i5-8265U 4C 8T @ 2.30 GHz	3267 (100%)
	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 i5-8265U Intel UHD Graphics 620 @ 1.10 GHz	422 (100%)
	Intel Atom C3758 @ 0.00 GHz	0 (0%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.


	Intel Core i5-8265U 4C 8T @ 2.30 GHz	30 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	0 (0%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.


	Intel Core i5-8265U 4C 8T @ 2.30 GHz	637.2 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	0 (0%)

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 Core i5-8265U 4C 8T @ 3.90 GHz	390 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	0 (0%)

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 Core i5-8265U 4C 8T @ 1.60 GHz	1737 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 Core i5-8265U 4C 8T @ 3.90 GHz	171 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	0 (0%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 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 Core i5-8265U 4C 8T @ 2.30 GHz	549 (100%)
	Intel Atom C3758 8C 8T @ 2.20 GHz	0 (0%)

Devices using this processor
Intel Core i5-8265U	Intel Atom C3758
Acer Aspire 3 (A315-54-56KY) - 15.6 Zoll Laptop HP 250 G7 15.6 Zoll Business Laptop - Intel Core i5-8265U Lenovo ThinkPad X390 Yoga - Intel i5-8265U Acer Aspire 5 (A515-54G-59WR) - 15.6 Zoll Laptop	Unknown

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