Intel Atom Z3770 vs Intel Xeon D-2166NT

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CPU comparison with benchmarks


Intel Atom Z3770 CPU1 vs CPU2 Intel Xeon D-2166NT
Intel Atom Z3770 Intel Xeon D-2166NT

CPU comparison

In this CPU comparison, we compare the Intel Atom Z3770 and the Intel Xeon D-2166NT and use benchmarks to check which processor is faster.

We compare the Intel Atom Z3770 4 core processor released in Q3/2013 with the Intel Xeon D-2166NT which has 12 CPU cores and was introduced in Q1/2018.
Intel Atom (108) Family Intel Xeon D (79)
Intel Atom Z3700 (16) CPU group Intel Xeon D-2100 (13)
4 Generation 2
Bay Trail Architecture Skylake
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom Z3770 is a 4 core processor with a clock frequency of 1.46 GHz (2.39 GHz). The processor can compute 4 threads at the same time. The Intel Xeon D-2166NT clocks with 2.00 GHz (3.00 GHz), has 12 CPU cores and can calculate 24 threads in parallel.

Intel Atom Z3770 Characteristic Intel Xeon D-2166NT
4 Cores 12
4 Threads 24
normal Core architecture normal
No Hyperthreading Yes
No Overclocking ? No
1.46 GHz Frequency 2.00 GHz
2.39 GHz Turbo Frequency (1 Core) 3.00 GHz
-- Turbo Frequency (All Cores) 2.00 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 Z3770 Characteristic Intel Xeon D-2166NT
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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.

Intel HD Graphics (Bay Trail GT1) GPU no iGPU
0.31 GHz GPU frequency --
0.67 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

Up to 4 GB of memory in a maximum of 2 memory channels is supported by the Intel Atom Z3770, while the Intel Xeon D-2166NT supports a maximum of 512 GB of memory with a maximum memory bandwidth of 68.2 GB/s enabled.

Intel Atom Z3770 Characteristic Intel Xeon D-2166NT
LPDDR3-1066 Memory DDR4-2133
4 GB Max. Memory 512 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
17.1 GB/s Max. Bandwidth 68.2 GB/s
No ECC Yes
-- L2 Cache 16.50 MB
2.00 MB L3 Cache --
-- PCIe version 3.0
-- PCIe lanes 32
-- PCIe Bandwidth 31.5 GB/s

Thermal Management

The Intel Atom Z3770 has a TDP of 3.5 W. The TDP of the Intel Xeon D-2166NT is 85 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Atom Z3770 Characteristic Intel Xeon D-2166NT
3.5 W TDP (PL1 / PBP) 85 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. --

Technical details

The Intel Atom Z3770 has 2.00 MB cache and is manufactured in 22 nm. The cache of Intel Xeon D-2166NT is at 16.50 MB. The processor is manufactured in 14 nm.

Intel Atom Z3770 Characteristic Intel Xeon D-2166NT
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 BGA 2518
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Operating systems Windows 10, Linux
Q3/2013 Release date Q1/2018
-- Release price 1075 $
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Here you can rate the Intel Xeon D-2166NT 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 Z3770 (0%)
Intel Xeon D-2166NT (0%)
⌀ Multi core performance in 1 CPU benchmarks
Intel Atom Z3770 (5%)
Intel Xeon D-2166NT (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 Z3770 Intel Atom Z3770
4C 4T @ 1.46 GHz
739 (5%)
Intel Xeon D-2166NT Intel Xeon D-2166NT
12C 24T @ 2.00 GHz
15133 (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 Z3770 Intel Atom Z3770
4C 4T @ 2.39 GHz
0 (0%)
Intel Xeon D-2166NT Intel Xeon D-2166NT
12C 24T @ 3.00 GHz
853 (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 Z3770 Intel Atom Z3770
4C 4T @ 1.46 GHz
0 (0%)
Intel Xeon D-2166NT Intel Xeon D-2166NT
12C 24T @ 2.00 GHz
7193 (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 Z3770 Intel Atom Z3770
Intel HD Graphics (Bay Trail GT1) @ 0.67 GHz
43 (100%)
Intel Xeon D-2166NT Intel Xeon D-2166NT
@ 0.00 GHz
0 (0%)

Devices using this processor

Intel Atom Z3770 Intel Xeon D-2166NT
Unknown Unknown

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