Intel Atom Z3735E vs Intel Xeon D-1571

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CPU comparison with benchmarks


Intel Atom Z3735E CPU1 vs CPU2 Intel Xeon D-1571
Intel Atom Z3735E Intel Xeon D-1571

CPU comparison

Intel Atom Z3735E or Intel Xeon D-1571 - 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 Z3735E has 4 cores with 4 threads and clocks with a maximum frequency of 1.83 GHz. Up to 1 GB of memory is supported in 1 memory channels. The Intel Atom Z3735E was released in Q1/2014.

The Intel Xeon D-1571 has 16 cores with 32 threads and clocks with a maximum frequency of 2.10 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Xeon D-1571 was released in Q3/2017.
Intel Atom (101) Family Intel Xeon D (79)
Intel Atom Z3700 (16) CPU group Intel Xeon D-1500 (22)
4 Generation 1
Bay Trail Architecture Broadwell
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom Z3735E has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the Intel Atom Z3735E is 1.33 GHz (1.83 GHz) while the Intel Xeon D-1571 has 16 CPU cores and 32 threads can calculate simultaneously. The clock frequency of the Intel Xeon D-1571 is at 1.30 GHz (2.10 GHz).

Intel Atom Z3735E Characteristic Intel Xeon D-1571
4 Cores 16
4 Threads 32
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.33 GHz Frequency 1.30 GHz
1.83 GHz Turbo Frequency (1 Core) 2.10 GHz
1.83 GHz Turbo Frequency (All Cores) 1.30 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 Atom Z3735E Characteristic Intel Xeon D-1571
-- AI hardware --
-- AI specifications --

Internal Graphics

The Intel Atom Z3735E or Intel Xeon D-1571 has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

Intel HD Graphics (Bay Trail GT1) GPU no iGPU
0.31 GHz GPU frequency --
0.65 GHz GPU (Turbo) --
7 GPU Generation --
22 nm Technology
2 Max. displays
4 Compute units --
32 Shader --
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory --
11.2 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 HD Graphics (Bay Trail GT1) GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
Decode / Encode Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
Decode / Encode Codec AVC No
Decode Codec VC-1 No
Decode Codec JPEG No

Memory & PCIe

The Intel Atom Z3735E can use up to 1 GB of memory in 1 memory channels. The maximum memory bandwidth is 10.6 GB/s. The Intel Xeon D-1571 supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s.

Intel Atom Z3735E Characteristic Intel Xeon D-1571
DDR3L-1333 Memory DDR4-2400
1 GB Max. Memory 128 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
10.6 GB/s Max. Bandwidth 38.4 GB/s
No ECC Yes
-- L2 Cache 24.00 MB
2.00 MB L3 Cache --
-- PCIe version 3.0
-- PCIe lanes 32
-- PCIe Bandwidth 31.5 GB/s

Thermal Management

The thermal design power (TDP for short) of the Intel Atom Z3735E is 4 W, while the Intel Xeon D-1571 has a TDP of 45 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Atom Z3735E Characteristic Intel Xeon D-1571
4 W TDP (PL1 / PBP) 45 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Intel Atom Z3735E is manufactured in 22 nm and has 2.00 MB cache. The Intel Xeon D-1571 is manufactured in 14 nm and has a 24.00 MB cache.

Intel Atom Z3735E Characteristic Intel Xeon D-1571
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
BGA 138 Socket BGA 1667
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 Q3/2017
-- Release price 1248 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Intel Atom Z3735E (30%)
Intel Xeon D-1571 (100%)
⌀ Multi core performance in 2 CPU benchmarks
Intel Atom Z3735E (4%)
Intel Xeon D-1571 (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 Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
172 (30%)
Intel Xeon D-1571 Intel Xeon D-1571
16C 32T @ 2.10 GHz
578 (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 Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
200 (3%)
Intel Xeon D-1571 Intel Xeon D-1571
16C 32T @ 1.30 GHz
6308 (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 Z3735E Intel Atom Z3735E
4C 4T @ 1.83 GHz
557 (5%)
Intel Xeon D-1571 Intel Xeon D-1571
16C 32T @ 1.30 GHz
11628 (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 Z3735E Intel Atom Z3735E
Intel HD Graphics (Bay Trail GT1) @ 0.65 GHz
41 (100%)
Intel Xeon D-1571 Intel Xeon D-1571
@ 0.00 GHz
0 (0%)

Devices using this processor

Intel Atom Z3735E Intel Xeon D-1571
Unknown Unknown

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