AMD Ryzen Threadripper 3960X vs AMD Ryzen 5 PRO 5645

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CPU comparison with benchmarks

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CPU lineage

AMD Ryzen Threadripper 3960X or AMD Ryzen Threadripper 3960X – 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 Threadripper 3960X features 24 processor cores and has the capability to manage 48 threads concurrently.
It was released in Q4/2019 and belongs to the 3 generation of the AMD Ryzen Threadripper series.
To use the AMD Ryzen Threadripper 3960X, you'll need a motherboard with a TRX4 (sTRX4) socket.
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.
Desktop / Server Segment Mobile
AMD Ryzen Threadripper 3960X Name AMD Ryzen 5 PRO 5645
AMD Ryzen Threadripper Family AMD Ryzen 5
3 Generation 4
AMD Ryzen Threadripper 3000 Group AMD Ryzen 5000U
 
 

CPU Cores and Base Frequency

The AMD Ryzen Threadripper 3960X has 24 CPU cores and can calculate 48 threads in parallel.
The clock frequency of the AMD Ryzen Threadripper 3960X is 3.8 GHz
and turbo frequency for one core is 4.5 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
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.
4.5 GHz Turbo Frequency (1 core) 4.6 GHz
Yes Overclocking Yes
normal Core architecture normal
3.8 GHz Frequency 3.7 GHz
48 Threads 12
Yes Hyperthreading Yes
24 CPU Cores 6
24x Cores 6x
 
 

Internal Graphics

The AMD Ryzen Threadripper 3960X does not have integrated graphics.
The AMD Ryzen 5 PRO 5645 does not have integrated graphics.
-- GPU frequency --
-- Release date --
-- Direct X --
GPU name
-- Technology --
-- Max. displays --
-- Shaders --
0 bytes Max. GPU Memory 0 bytes
-- Execution units --
-- Generation --
-- 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 --
-- VC-1 --
-- VP9 --
-- h265 / HEVC (10 bit) --
-- h264 --
-- VP8 --
-- h265 / HEVC (8 bit) --
-- JPEG --
-- AV1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 2.0 TB distributed across 4 memory channels. It offers a peak memory bandwidth of 102.4 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 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
4 Memory channels 2
2.0 TB Max. Memory 64.0 GB
pci PCIe pci
Yes AES-NI Yes
Yes ECC No
102.4 GB/s Bandwidth 51.2 GB/s
DDR4-3200 Memory type LPDDR4-3200
 
 

Thermal Management

The processor has a thermal design power (TDP) of 280 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 65 W watts.
95 °C Tjunction max 95 °C
280 W TDP (PL1 / PBP) 65 W
 
 

Technical details

The AMD Ryzen Threadripper 3960X 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 AMD Ryzen 5 PRO 5645 is manufactured using a 7 nm process.
In total, this processor boasts a generous 32.0 MB cache.
Q4/2019 Release date Q3/2022
-- Part Number 100-000000833
12.0 MB L2-Cache 3.0 MB
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
Castle Peak (Zen 2) Architecture Cezanne (Zen 3)
7 nm Technology 7 nm
TRX4 (sTRX4) Socket AM4 (PGA 1331)
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
1435 $ Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
128.0 MB L3-Cache 32.0 MB
 
 

Benchmarks