AMD EPYC 7402P vs Intel Atom Z3775D

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD EPYC 7402P or AMD EPYC 7402P – 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 AMD EPYC 7402P features 24 processor cores and has the capability to manage 48 threads concurrently.
It was released in Q3/2019 and belongs to the 2 generation of the AMD EPYC series.
To use the AMD EPYC 7402P, you'll need a motherboard with a SP3 socket.
The Intel Atom Z3775D features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2014 and belongs to the 4 generation of the Intel Atom series.
To use the Intel Atom Z3775D, you'll need a motherboard with a BGA 1380 socket.
Desktop / Server Segment Mobile
AMD EPYC 7402P Name Intel Atom Z3775D
AMD EPYC Family Intel Atom
2 Generation 4
AMD EPYC 7002 Group Intel Atom Z3700
 
 

CPU Cores and Base Frequency

The AMD EPYC 7402P has 24 CPU cores and can calculate 48 threads in parallel.
The clock frequency of the AMD EPYC 7402P is 2.8 GHz
and turbo frequency for one core is 3.35 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Atom Z3775D has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Atom Z3775D is 1.49 GHz
and turbo frequency for one core is 2.41 GHz.
3.35 GHz Turbo Frequency (1 core) 2.41 GHz
No Overclocking No
normal Core architecture normal
2.8 GHz Frequency 1.49 GHz
48 Threads 4
Yes Hyperthreading No
24 CPU Cores 4
24x Cores 4x
 
 

Internal Graphics

The AMD EPYC 7402P does not have integrated graphics.
The Intel Atom Z3775D has integrated graphics, called iGPU for short.
Specifically, the Intel Atom Z3775D uses the Intel HD Graphics (Bay Trail GT1), which has 32 texture shaders
and 4 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- GPU frequency 0.31 GHz
-- Release date Q3/2013
-- Direct X 11.2
GPU name Intel HD Graphics (Bay Trail GT1)
-- Technology 22 nm
-- Max. displays --
-- Shaders 32
0 bytes Max. GPU Memory 2.0 GB
-- Execution units 4
-- Generation 7
-- GPU (Turbo) 0.79 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.
-- AVC Decode / Encode
-- VC-1 Decode
-- VP9 No
-- h265 / HEVC (10 bit) No
-- h264 Decode / Encode
-- VP8 No
-- h265 / HEVC (8 bit) No
-- JPEG Decode
-- AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 2.0 GB distributed across 1 memory channels. It offers a peak memory bandwidth of 10.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
8 Memory channels 1
0 bytes Max. Memory 2.0 GB
pci PCIe pci
Yes AES-NI Yes
Yes ECC No
204.8 GB/s Bandwidth 10.6 GB/s
DDR4-3200 Memory type DDR3L-1333
 
 

Thermal Management

The processor has a thermal design power (TDP) of 180 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 4 W watts.
-- Tjunction max 90 °C
180 W TDP (PL1 / PBP) 4 W
 
 

Technical details

The AMD EPYC 7402P is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 128.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Atom Z3775D is manufactured using a 22 nm process.
In total, this processor boasts a generous 2.0 MB cache.
Q3/2019 Release date Q1/2014
-- Part Number --
0 bytes L2-Cache 0 bytes
AMD-V, SVM Virtualization VT-x, VT-x EPT
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4.1, SSE4.2
Chiplet Chip design Monolithic
Rome (Zen 2) Architecture Bay Trail
7 nm Technology 22 nm
SP3 Socket BGA 1380
Windows 10, Linux Operating systems
2900 $ Release price 35 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
128.0 MB L3-Cache 2.0 MB