Intel Atom Z2420 vs Intel Xeon D-2166NT

Last updated:

CPU comparison with benchmarks


Intel Atom Z2420 CPU1 vs CPU2 Intel Xeon D-2166NT
Intel Atom Z2420 Intel Xeon D-2166NT

CPU comparison

Intel Atom Z2420 or Intel Xeon D-2166NT - 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 Z2420 has 1 cores with 2 threads and clocks with a maximum frequency of 1.20 GHz. Up to 1 GB of memory is supported in 2 memory channels. The Intel Atom Z2420 was released in Q1/2013.

The Intel Xeon D-2166NT has 12 cores with 24 threads and clocks with a maximum frequency of 3.00 GHz. The CPU supports up to 512 GB of memory in 4 memory channels. The Intel Xeon D-2166NT was released in Q1/2018.
Intel Atom (108) Family Intel Xeon D (79)
Intel Atom Z2400/Z2600 (2) CPU group Intel Xeon D-2100 (13)
3 Generation 2
Penwell Architecture Skylake
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Intel Atom Z2420 has 1 CPU cores and can calculate 2 threads in parallel. The clock frequency of the Intel Atom Z2420 is 1.20 GHz while the Intel Xeon D-2166NT has 12 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the Intel Xeon D-2166NT is at 2.00 GHz (3.00 GHz).

Intel Atom Z2420 Characteristic Intel Xeon D-2166NT
1 Cores 12
2 Threads 24
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
1.20 GHz Frequency 2.00 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 Z2420 Characteristic Intel Xeon D-2166NT
-- AI hardware --
-- AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

The Intel Atom Z2420 or Intel Xeon D-2166NT 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.

PowerVR SGX540 GPU no iGPU
0.40 GHz GPU frequency --
-- GPU (Turbo) --
-- GPU Generation --
45nm Technology
1 Max. displays
1 Compute units --
-- Shader --
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory --
10.1 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.

PowerVR SGX540 GPU no iGPU
No Codec h265 / HEVC (8 bit) No
No Codec h265 / HEVC (10 bit) No
No Codec h264 No
No Codec VP9 No
No Codec VP8 No
No Codec AV1 No
No Codec AVC No
No Codec VC-1 No
No Codec JPEG No

Memory & PCIe

The Intel Atom Z2420 can use up to 1 GB of memory in 2 memory channels. The maximum memory bandwidth is 6.4 GB/s. The Intel Xeon D-2166NT supports up to 512 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 68.2 GB/s.

Intel Atom Z2420 Characteristic Intel Xeon D-2166NT
LPDDR2-800 Memory DDR4-2133
1 GB Max. Memory 512 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
6.4 GB/s Max. Bandwidth 68.2 GB/s
No ECC Yes
0.50 MB L2 Cache 16.50 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 Z2420 is 3 W, while the Intel Xeon D-2166NT has a TDP of 85 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

Intel Atom Z2420 Characteristic Intel Xeon D-2166NT
3 W TDP (PL1 / PBP) 85 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
90 °C Tjunction max. --

Technical details

The Intel Atom Z2420 is manufactured in 32 nm and has 0.50 MB cache. The Intel Xeon D-2166NT is manufactured in 14 nm and has a 16.50 MB cache.

Intel Atom Z2420 Characteristic Intel Xeon D-2166NT
32 nm Technology 14 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
MMX, SSE3, SSSE3 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
BGA 617 Socket BGA 2518
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Operating systems Windows 10, Linux
Q1/2013 Release date Q1/2018
-- Release price 1075 $
show more data show more data


Rate these processors

Here you can rate the Intel Atom Z2420 to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
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:


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 Z2420 Intel Atom Z2420
1C 2T @ 1.20 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 Z2420 Intel Atom Z2420
1C 2T @ 1.20 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 Z2420 Intel Atom Z2420
PowerVR SGX540 @ 0.40 GHz
6 (100%)
Intel Xeon D-2166NT Intel Xeon D-2166NT
@ 0.00 GHz
0 (0%)

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 Z2420 Intel Atom Z2420
1C 2T @ 1.20 GHz
0 (0%)
Intel Xeon D-2166NT Intel Xeon D-2166NT
12C 24T @ 2.00 GHz
15133 (100%)

Devices using this processor

Intel Atom Z2420 Intel Xeon D-2166NT
Unknown Unknown

Popular comparisons containing this CPUs

1. Intel Atom Z2420Intel Xeon E-2286M Intel Atom Z2420 vs Intel Xeon E-2286M
2. Intel Xeon D-2166NTQualcomm Snapdragon 410 LTE Intel Xeon D-2166NT vs Qualcomm Snapdragon 410 LTE
3. Intel Atom Z2420Intel Core i5-12400 Intel Atom Z2420 vs Intel Core i5-12400
4. Intel Atom Z2420Intel Xeon D-1537 Intel Atom Z2420 vs Intel Xeon D-1537
5. AMD Phenom II X2 560Intel Atom Z2420 AMD Phenom II X2 560 vs Intel Atom Z2420
6. Intel Xeon D-2166NTIntel Core i7-920 Intel Xeon D-2166NT vs Intel Core i7-920
7. Intel Core i5-12600KFIntel Atom Z2420 Intel Core i5-12600KF vs Intel Atom Z2420
8. Intel Celeron 5305UIntel Atom Z2420 Intel Celeron 5305U vs Intel Atom Z2420
9. Intel Atom E3805Intel Atom Z2420 Intel Atom E3805 vs Intel Atom Z2420
10. Intel Atom Z2420Intel Core i5-2310 Intel Atom Z2420 vs Intel Core i5-2310


back to index