Intel Atom x5-Z8550 vs Intel Core i5-6400T

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Atom x5-Z8550 or Intel Atom x5-Z8550 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Atom x5-Z8550 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2016 and belongs to the 5 generation of the Intel Atom series.
To use the Intel Atom x5-Z8550, you'll need a motherboard with a BGA 138 socket.
The Intel Core i5-6400T features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q3/2015 and belongs to the 6 generation of the Intel Core i5 series.
To use the Intel Core i5-6400T, you'll need a motherboard with a LGA 1151 socket.
Mobile Segment Desktop / Server
Intel Atom x5-Z8550 Name Intel Core i5-6400T
Intel Atom Family Intel Core i5
5 Generation 6
Intel Atom x3/x5/x7 Group Intel Core i 6000
 
 

CPU Cores and Base Frequency

The Intel Atom x5-Z8550 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Atom x5-Z8550 is 1.44 GHz
and turbo frequency for one core is 2.4 GHz.
The Intel Core i5-6400T has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i5-6400T is 2.2 GHz
and turbo frequency for one core is 2.8 GHz.
2.4 GHz Turbo Frequency (1 core) 2.8 GHz
No Overclocking No
normal Core architecture normal
1.44 GHz Frequency 2.2 GHz
4 Threads 4
2.4 GHz Turbo Frequency (all cores) 2.5 GHz
No Hyperthreading No
4 CPU Cores 4
4x Cores 4x
 
 

Internal Graphics

The Intel Atom x5-Z8550 has integrated graphics, called iGPU for short.
Specifically, the Intel Atom x5-Z8550 uses the Intel HD Graphics 400, which has 96 texture shaders
and 12 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i5-6400T has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-6400T uses the Intel HD Graphics 530, which has 192 texture shaders
and 24 execution units.
0.2 GHz GPU frequency 0.35 GHz
Q1/2015 Release date Q3/2015
12 Direct X 12
Intel HD Graphics 400 GPU name Intel HD Graphics 530
14 nm Technology 14 nm
-- Max. displays --
96 Shaders 192
8.0 GB Max. GPU Memory 32.0 GB
12 Execution units 24
8 Generation 9
0.6 GHz GPU (Turbo) 1.15 GHz
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

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.
Decode / Encode AVC Decode / Encode
Decode VC-1 Decode
No VP9 Decode
No h265 / HEVC (10 bit) Decode
Decode / Encode h264 Decode / Encode
Decode VP8 Decode / Encode
No h265 / HEVC (8 bit) Decode / Encode
Decode JPEG Decode / Encode
No AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 8.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
8.0 GB Max. Memory 64.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
25.6 GB/s Bandwidth 34.1 GB/s
DDR3L-1600 Memory type DDR4-2133, DDR3-1600
 
 

Thermal Management

The processor has a thermal design power (TDP) of 2 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 35 W watts.
-- Tjunction max --
2 W TDP (PL1 / PBP) 35 W
 
 

Technical details

The Intel Atom x5-Z8550 is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 2.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i5-6400T is manufactured using a 14 nm process.
In total, this processor boasts a generous 6.0 MB cache.
Q1/2016 Release date Q3/2015
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Cherry Trail Architecture Skylake S
14 nm Technology 14 nm
BGA 138 Socket LGA 1151
Operating systems Windows 10, Linux
23 $ Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
2.0 MB L3-Cache 6.0 MB
 
 

Benchmarks

Geekbench 6 (Multi-Core)

Intel Core i5-6400T
4C 4T @ 2.2 GHz
2732
2732
Intel Atom x5-Z8550
4C 4T @ 1.44 GHz
568
568

Geekbench 5, 64bit (Multi-Core)

Intel Core i5-6400T
4C 4T @ 2.2 GHz
2257
2257
Intel Atom x5-Z8550
4C 4T @ 1.44 GHz
827
827

Geekbench 6 (Single-Core)

Intel Core i5-6400T
4C 4T @ 2.2 GHz
967
967
Intel Atom x5-Z8550
4C 4T @ 1.44 GHz
202
202

Cinebench R15 (Multi-Core)

Intel Core i5-6400T
4C 4T @ 2.2 GHz
414
414
Intel Atom x5-Z8550
4C 4T @ 1.44 GHz
145
145