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Intel Atom x5-Z8330 vs Intel Celeron 4305U

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CPU comparison with benchmarks


Intel Atom x5-Z8330 CPU1 vs CPU2 Intel Celeron 4305U
Intel Atom x5-Z8330 Intel Celeron 4305U

CPU comparison

Intel Atom x5-Z8330 or Intel Celeron 4305U - 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 x5-Z8330 has 4 cores with 4 threads and clocks with a maximum frequency of 1.92 GHz. Up to 2 GB of memory is supported in 1 memory channels. The Intel Atom x5-Z8330 was released in Q1/2016.

The Intel Celeron 4305U has 2 cores with 2 threads and clocks with a maximum frequency of 2.20 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Celeron 4305U was released in Q2/2019.
Intel Atom (108) Family Intel Celeron (165)
Intel Atom x3/x5/x7 (9) CPU group Intel Celeron 4000 (3)
5 Generation 8
Cherry Trail Architecture Whiskey Lake U
Notebook Segment Notebook
-- Predecessor --
-- Successor Intel Celeron 5305U

CPU Cores and Base Frequency

The Intel Atom x5-Z8330 is a 4 core processor with a clock frequency of 1.44 GHz (1.92 GHz). The Intel Celeron 4305U has 2 CPU cores with a clock frequency of 2.20 GHz.
Intel Atom x5-Z8330 Characteristic Intel Celeron 4305U
4 Cores 2
4 Threads 2
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.44 GHz Frequency 2.20 GHz
1.92 GHz Turbo Frequency (1 Core) --
-- 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 Atom x5-Z8330 Characteristic Intel Celeron 4305U
-- 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 HD Graphics 400 GPU Intel UHD Graphics 610
0.20 GHz GPU frequency 0.30 GHz
0.50 GHz GPU (Turbo) 0.90 GHz
8 GPU Generation 9.5
14 nm Technology 14 nm
3 Max. displays 3
12 Compute units 12
96 Shader 96
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory 32 GB
12 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.
Intel HD Graphics 400 GPU Intel UHD Graphics 610
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
Decode Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Atom x5-Z8330 supports a maximum of 2 GB of memory in 1 memory channels. The Intel Celeron 4305U can connect up to 64 GB of memory in 2 memory channels.
Intel Atom x5-Z8330 Characteristic Intel Celeron 4305U
DDR3L-1600 Memory LPDDR3-1866, DDR4-2133
2 GB Max. Memory 64 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
12.8 GB/s Max. Bandwidth 34.1 GB/s
No ECC No
2.00 MB L2 Cache --
-- L3 Cache 2.00 MB
2.0 PCIe version 3.0
1 PCIe lanes 16
0.5 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 Atom x5-Z8330 has a TDP of 2 W, that of the Intel Celeron 4305U is 15 W.
Intel Atom x5-Z8330 Characteristic Intel Celeron 4305U
2 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
-- TDP up --
-- TDP down 12.5 W
90 °C Tjunction max. 100 °C

Technical details

The Intel Atom x5-Z8330 has a 2.00 MB cache, while the Intel Celeron 4305U cache has a total of 2.00 MB.
Intel Atom x5-Z8330 Characteristic Intel Celeron 4305U
14 nm Technology 14 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
BGA 138 Socket BGA 1528
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Windows 11, Linux
Q1/2016 Release date Q2/2019
20 $ Release price 107 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Atom x5-Z8330 (35%)
Intel Celeron 4305U (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Atom x5-Z8330 (53%)
Intel Celeron 4305U (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.
Intel Atom x5-Z8330 Intel Atom x5-Z8330
4C 4T @ 1.92 GHz
201 (35%)
Intel Celeron 4305U Intel Celeron 4305U
2C 2T @ 2.20 GHz
570 (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 x5-Z8330 Intel Atom x5-Z8330
4C 4T @ 1.44 GHz
634 (59%)
Intel Celeron 4305U Intel Celeron 4305U
2C 2T @ 2.20 GHz
1076 (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 x5-Z8330 Intel Atom x5-Z8330
Intel HD Graphics 400 @ 0.50 GHz
105 (61%)
Intel Celeron 4305U Intel Celeron 4305U
Intel UHD Graphics 610 @ 0.90 GHz
173 (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 x5-Z8330 Intel Atom x5-Z8330
4C 4T @ 1.44 GHz
809 (46%)
Intel Celeron 4305U Intel Celeron 4305U
2C 2T @ 2.20 GHz
1746 (100%)

Devices using this processor
Intel Atom x5-Z8330 Intel Celeron 4305U
Unknown Unknown

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