AMD Ryzen 5 PRO 5645 vs AMD Ryzen 5 3400G

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 5 PRO 5645 or AMD Ryzen 5 PRO 5645 – 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 Ryzen 5 PRO 5645 features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q3/2022 and belongs to the 4 generation of the AMD Ryzen 5 series.
To use the AMD Ryzen 5 PRO 5645, you'll need a motherboard with a AM4 (PGA 1331) socket.
The AMD Ryzen 5 3400G features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2019 and belongs to the 2 generation of the AMD Ryzen 5 series.
To use the AMD Ryzen 5 3400G, you'll need a motherboard with a AM4 (PGA 1331) socket.
Mobile Segment Desktop / Server
AMD Ryzen 5 PRO 5645 Name AMD Ryzen 5 3400G
AMD Ryzen 5 Family AMD Ryzen 5
4 Generation 2
AMD Ryzen 5000U Group AMD Ryzen 3000G
 
 

CPU Cores and Base Frequency

The AMD Ryzen 5 PRO 5645 has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the AMD Ryzen 5 PRO 5645 is 3.7 GHz
and turbo frequency for one core is 4.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The AMD Ryzen 5 3400G has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the AMD Ryzen 5 3400G is 3.7 GHz
and turbo frequency for one core is 4.2 GHz.
4.6 GHz Turbo Frequency (1 core) 4.2 GHz
Yes Overclocking Yes
normal Core architecture normal
3.7 GHz Frequency 3.7 GHz
12 Threads 8
None None 4.0 GHz
Yes Hyperthreading Yes
6 CPU Cores 4
6x Cores 4x
 
 

Internal Graphics

The AMD Ryzen 5 PRO 5645 does not have integrated graphics.
The AMD Ryzen 5 3400G has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 5 3400G uses the AMD Radeon Vega 11 Graphics, which has 704 texture shaders
and 11 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- GPU frequency 1.4 GHz
-- Release date Q1/2018
-- Direct X 12
GPU name AMD Radeon Vega 11 Graphics
-- Technology 14 nm
-- Max. displays --
-- Shaders 704
0 bytes Max. GPU Memory 2.0 GB
-- Execution units 11
-- Generation 8
-- GPU (Turbo) --
 
 

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 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- h264 Decode / Encode
-- VP8 Decode / Encode
-- h265 / HEVC (8 bit) Decode / Encode
-- JPEG Decode / Encode
-- AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 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 46.9 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
64.0 GB Max. Memory 64.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC Yes
51.2 GB/s Bandwidth 46.9 GB/s
LPDDR4-3200 Memory type DDR4-2933
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 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.
95 °C Tjunction max 95 °C
65 W TDP (PL1 / PBP) 65 W
None TDP down 45 W
 
 

Technical details

The AMD Ryzen 5 PRO 5645 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 32.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen 5 3400G is manufactured using a 12 nm process.
In total, this processor boasts a generous 4.0 MB cache.
Q3/2022 Release date Q2/2019
100-000000833 Part Number --
3.0 MB L2-Cache 0 bytes
AMD-V, SVM Virtualization AMD-V, SVM
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
Chiplet Chip design Chiplet
Cezanne (Zen 3) Architecture Picasso (Zen+)
7 nm Technology 12 nm
AM4 (PGA 1331) Socket AM4 (PGA 1331)
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
-- Release price 165 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
32.0 MB L3-Cache 4.0 MB
 
 

Benchmarks

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 5 PRO 5645
6C 12T @ 3.7 GHz
7089
7089
AMD Ryzen 5 3400G
4C 8T @ 3.7 GHz
3660
3660

Geekbench 5, 64bit (Single-Core)

AMD Ryzen 5 PRO 5645
6C 12T @ 3.7 GHz
1570
1570
AMD Ryzen 5 3400G
4C 8T @ 3.7 GHz
940
940

AMD Ryzen 5 PRO 5645 and AMD Ryzen 5 3400G in leaderboards