Intel Atom Z3745 vs Intel Xeon W-1390

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CPU comparison with benchmarks


Intel Atom Z3745 CPU1 vs CPU2 Intel Xeon W-1390
Intel Atom Z3745 Intel Xeon W-1390

CPU comparison

Intel Atom Z3745 or Intel Xeon W-1390 - 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 Z3745 has 4 cores with 4 threads and clocks with a maximum frequency of 1.86 GHz. Up to 4 GB of memory is supported in 2 memory channels. The Intel Atom Z3745 was released in Q1/2014.

The Intel Xeon W-1390 has 8 cores with 16 threads and clocks with a maximum frequency of 5.20 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Xeon W-1390 was released in Q2/2021.
Intel Atom (108) Family Intel Xeon W (83)
Intel Atom Z3700 (16) CPU group Intel Xeon W-1300 (7)
4 Generation 11
Bay Trail Architecture Rocket Lake S
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom Z3745 is a 4 core processor with a clock frequency of 1.33 GHz (1.86 GHz). The Intel Xeon W-1390 has 8 CPU cores with a clock frequency of 2.80 GHz (5.20 GHz).
Intel Atom Z3745 Characteristic Intel Xeon W-1390
4 Cores 8
4 Threads 16
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.33 GHz Frequency 2.80 GHz
1.86 GHz Turbo Frequency (1 Core) 5.20 GHz
-- Turbo Frequency (All Cores) 3.80 GHz

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 Z3745 Characteristic Intel Xeon W-1390
-- 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 (Bay Trail GT1) GPU Intel UHD Graphics P750
0.31 GHz GPU frequency 0.35 GHz
0.78 GHz GPU (Turbo) 1.30 GHz
7 GPU Generation 12
22 nm Technology 14 nm
2 Max. displays 3
4 Compute units 64
32 Shader 256
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 32 GB
11.2 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 (Bay Trail GT1) GPU Intel UHD Graphics P750
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
No Codec VP8 Decode
No Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode Codec JPEG Decode / Encode

Memory & PCIe

The Intel Atom Z3745 supports a maximum of 4 GB of memory in 2 memory channels. The Intel Xeon W-1390 can connect up to 128 GB of memory in 2 memory channels.
Intel Atom Z3745 Characteristic Intel Xeon W-1390
LPDDR3-1066 Memory DDR4-3200
4 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
17.1 GB/s Max. Bandwidth 51.2 GB/s
No ECC Yes
-- L2 Cache 16.00 MB
2.00 MB L3 Cache --
-- PCIe version 4.0
-- PCIe lanes 20
-- PCIe Bandwidth 39.4 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Intel Atom Z3745 has a TDP of 4 W, that of the Intel Xeon W-1390 is 80 W.
Intel Atom Z3745 Characteristic Intel Xeon W-1390
4 W TDP (PL1 / PBP) 80 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. 100 °C

Technical details

The Intel Atom Z3745 has a 2.00 MB cache, while the Intel Xeon W-1390 cache has a total of 16.00 MB.
Intel Atom Z3745 Characteristic Intel Xeon W-1390
22 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, AVX-512
BGA 1380 Socket LGA 1200
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q1/2014 Release date Q2/2021
-- Release price 494 $
show more data show more data


Rate these processors

Here you can rate the Intel Atom Z3745 to help other visitors make their purchasing decisions. The average rating is 3.0 stars (2 ratings). Rate now:
Here you can rate the Intel Xeon W-1390 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 0 CPU benchmarks
Intel Atom Z3745 (0%)
Intel Xeon W-1390 (0%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Atom Z3745 (3%)
Intel Xeon W-1390 (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 Z3745 Intel Atom Z3745
Intel HD Graphics (Bay Trail GT1) @ 0.78 GHz
50 (7%)
Intel Xeon W-1390 Intel Xeon W-1390
Intel UHD Graphics P750 @ 1.30 GHz
666 (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 Z3745 Intel Atom Z3745
4C 4T @ 1.33 GHz
621 (3%)
Intel Xeon W-1390 Intel Xeon W-1390
8C 16T @ 3.80 GHz
23917 (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 Z3745 Intel Atom Z3745
4C 4T @ 1.86 GHz
182 (100%)
Intel Xeon W-1390 Intel Xeon W-1390
8C 16T @ 5.20 GHz
0 (0%)

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 Z3745 Intel Atom Z3745
4C 4T @ 1.33 GHz
598 (100%)
Intel Xeon W-1390 Intel Xeon W-1390
8C 16T @ 3.80 GHz
0 (0%)

Devices using this processor
Intel Atom Z3745 Intel Xeon W-1390
Unknown Unknown

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