Intel Xeon D-1518 vs Intel Atom Z3735D

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CPU comparison with benchmarks


Intel Xeon D-1518 CPU1 vs CPU2 Intel Atom Z3735D
Intel Xeon D-1518 Intel Atom Z3735D

CPU comparison

In this CPU comparison, we compare the Intel Xeon D-1518 and the Intel Atom Z3735D and use benchmarks to check which processor is faster.

We compare the Intel Xeon D-1518 4 core processor released in Q4/2015 with the Intel Atom Z3735D which has 4 CPU cores and was introduced in Q1/2014.
Intel Xeon D (79) Family Intel Atom (108)
Intel Xeon D-1500 (22) CPU group Intel Atom Z3700 (16)
1 Generation 4
Broadwell Architecture Bay Trail
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Xeon D-1518 is a 4 core processor with a clock frequency of 2.20 GHz. The processor can compute 8 threads at the same time. The Intel Atom Z3735D clocks with 1.33 GHz (1.83 GHz), has 4 CPU cores and can calculate 4 threads in parallel.

Intel Xeon D-1518 Characteristic Intel Atom Z3735D
4 Cores 4
8 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? No
2.20 GHz Frequency 1.33 GHz
-- Turbo Frequency (1 Core) 1.83 GHz
-- Turbo Frequency (All Cores) 1.83 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 Xeon D-1518 Characteristic Intel Atom Z3735D
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

no iGPU GPU Intel HD Graphics (Bay Trail GT1)
GPU frequency 0.31 GHz
-- GPU (Turbo) 0.65 GHz
-- GPU Generation 7
Technology 22 nm
Max. displays 2
-- Compute units 4
-- Shader 32
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 2 GB
-- DirectX Version 11.2

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 HD Graphics (Bay Trail GT1)
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 Decode / Encode
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode

Memory & PCIe

Up to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Xeon D-1518, while the Intel Atom Z3735D supports a maximum of 2 GB of memory with a maximum memory bandwidth of 10.6 GB/s enabled.

Intel Xeon D-1518 Characteristic Intel Atom Z3735D
DDR4-2133 Memory DDR3L-1333
128 GB Max. Memory 2 GB
2 (Dual Channel) Memory channels 1 (Single Channel)
34.1 GB/s Max. Bandwidth 10.6 GB/s
Yes ECC No
6.00 MB L2 Cache --
-- L3 Cache 2.00 MB
3.0 PCIe version --
32 PCIe lanes --
31.5 GB/s PCIe Bandwidth --

Thermal Management

The Intel Xeon D-1518 has a TDP of 35 W. The TDP of the Intel Atom Z3735D is 4 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Xeon D-1518 Characteristic Intel Atom Z3735D
35 W TDP (PL1 / PBP) 4 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Xeon D-1518 has 6.00 MB cache and is manufactured in 14 nm. The cache of Intel Atom Z3735D is at 2.00 MB. The processor is manufactured in 22 nm.

Intel Xeon D-1518 Characteristic Intel Atom Z3735D
14 nm Technology 22 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 1667 Socket --
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Yes AES-NI Yes
Windows 10, Linux Operating systems
Q4/2015 Release date Q1/2014
206 $ Release price --
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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Xeon D-1518 (100%)
Intel Atom Z3735D (31%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Xeon D-1518 (100%)
Intel Atom Z3735D (19%)

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 Xeon D-1518 Intel Xeon D-1518
4C 8T @ 2.20 GHz
603 (100%)
Intel Atom Z3735D Intel Atom Z3735D
4C 4T @ 1.83 GHz
188 (31%)

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 Xeon D-1518 Intel Xeon D-1518
4C 8T @ 2.20 GHz
2596 (100%)
Intel Atom Z3735D Intel Atom Z3735D
4C 4T @ 1.83 GHz
581 (22%)

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 Xeon D-1518 Intel Xeon D-1518
4C 8T @ 2.20 GHz
4829 (100%)
Intel Atom Z3735D Intel Atom Z3735D
4C 4T @ 1.83 GHz
761 (16%)

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 Xeon D-1518 Intel Xeon D-1518
@ 0.00 GHz
0 (0%)
Intel Atom Z3735D Intel Atom Z3735D
Intel HD Graphics (Bay Trail GT1) @ 0.65 GHz
41 (100%)

Devices using this processor

Intel Xeon D-1518 Intel Atom Z3735D
Unknown Unknown

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