Ryzen 5 8645HS vs Ryzen Threadripper 3960X

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Aggregate performance score

Ryzen Threadripper 3960X
2019
24 cores / 48 threads, 280 Watt
34.55
+139%
Ryzen 5 8645HS
2023
6 cores / 12 threads, 45 Watt
14.47

Ryzen Threadripper 3960X outperforms Ryzen 5 8645HS by a whopping 139% based on our aggregate benchmark results.

Primary details

Comparing Ryzen Threadripper 3960X and Ryzen 5 8645HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking108499
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation18.53no data
Market segmentDesktop processorLaptop
SeriesAMD Ryzen Threadripperno data
Power efficiency11.6830.43
Architecture codenameMatisse (2019−2020)Hawk Point-HS (Zen 4) (2023−2024)
Release date7 November 2019 (5 years ago)6 December 2023 (1 year ago)
Launch price (MSRP)$1,399no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen Threadripper 3960X and Ryzen 5 8645HS basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores24 (Tetracosa-Core)6 (Hexa-Core)
Threads4812
Base clock speed3.8 GHz4.3 GHz
Boost clock speed4.5 GHz5 GHz
Bus rate8 × 16 GT/sno data
Multiplier38no data
L1 cache1536 KB64 KB (per core)
L2 cache12 MB1 MB (per core)
L3 cache128 MB16 MB (shared)
Chip lithography7 nm, 12 nm4 nm
Die sizeno data178 mm2
Maximum core temperatureno data100 °C
Number of transistors23540 Million25,000 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Ryzen Threadripper 3960X and Ryzen 5 8645HS compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketTR4FP8
Power consumption (TDP)280 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen Threadripper 3960X and Ryzen 5 8645HS. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataRyzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
AVX++
Precision Boost 2++

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen Threadripper 3960X and Ryzen 5 8645HS are enumerated here.

AMD-V++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 3960X and Ryzen 5 8645HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4 Eight-channelDDR5
Maximum memory size256 GBno data
Max memory channels4no data
Maximum memory bandwidth102.403 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card-AMD Radeon 760M ( - 2600 MHz)

Peripherals

Specifications and connection of peripherals supported by Ryzen Threadripper 3960X and Ryzen 5 8645HS.

PCIe versionno data4.0
PCI Express lanesno data20

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Ryzen Threadripper 3960X 34.55
+139%
Ryzen 5 8645HS 14.47

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Ryzen Threadripper 3960X 54875
+139%
Ryzen 5 8645HS 22985

Gaming performance

Pros & cons summary


Performance score 34.55 14.47
Recency 7 November 2019 6 December 2023
Physical cores 24 6
Threads 48 12
Chip lithography 7 nm 4 nm
Power consumption (TDP) 280 Watt 45 Watt

Ryzen Threadripper 3960X has a 138.8% higher aggregate performance score, and 300% more physical cores and 300% more threads.

Ryzen 5 8645HS, on the other hand, has an age advantage of 4 years, a 75% more advanced lithography process, and 522.2% lower power consumption.

The Ryzen Threadripper 3960X is our recommended choice as it beats the Ryzen 5 8645HS in performance tests.

Note that Ryzen Threadripper 3960X is a desktop processor while Ryzen 5 8645HS is a notebook one.


Should you still have questions on choice between Ryzen Threadripper 3960X and Ryzen 5 8645HS, ask them in Comments section, and we shall answer.

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AMD Ryzen Threadripper 3960X
Ryzen Threadripper 3960X
AMD Ryzen 5 8645HS
Ryzen 5 8645HS

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Community ratings

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Questions & comments

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