Ryzen 5 8645HS
CPU·Entry

Ryzen 5 8645HS

AMD

PassMark

22,257

6 December 2023 (1 year ago)
45 Watt
Hawk Point-HS (Zen 4) (2023−2024)

Performance Spectrum - CPU

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Overview

The Ryzen 5 8645HS is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-HS (Zen 4) (2023−2024) architecture. It features 6 cores and 12 threads. Base frequency is 4.3 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 22,257 points. Launch price was $299.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Ryzen 5 8645HS

#101
Core i5-1350P
MSRP: $320|Avg: $250
105%
#102
Core i3-1220P
MSRP: $250|Avg: $150
104%
#107
Core Ultra 5 228V
MSRP: $295|Avg: $295
103%
#111
Ryzen 5 PRO 5675U
MSRP: N/A|Avg: $180
102%
#114
Ryzen 5 8645HS
MSRP: N/A|Avg: N/A
100%
#119
Ryzen 7 PRO 250
MSRP: $400|Avg: $380
98%
#120
Core i7-11850HE
MSRP: $400|Avg: $75
96%
#124
Core i5-1240P
MSRP: $309|Avg: $200
94%
#125
Core i7-13700H
MSRP: $502|Avg: N/A
93%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Ryzen 5 8645HS specifications and capabilities.

Processing Power

The Ryzen 5 8645HS is a 6-core / 12-thread processor based on the Hawk Point-HS (Zen 4) (2023−2024) architecture, manufactured on a 4 nm process node. It reaches a maximum boost clock of 5 GHz from a base frequency of 4.3 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 16 MB (total) of L3 cache, plus 1 MB (per core) of L2 cache and 64 kB (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 22,257, placing it in the Mid-Range performance tier as a Recent generation product. Geekbench 6 single-core (the most relevant metric for gaming FPS) records 2,574, while multi-core reaches 10,675. Cinebench R23 multi-core (measuring sustained rendering workload performance) scores 13,316.

SpecificationRyzen 5 8645HS
Cores / ThreadsPhysical/logical processing units6C / 12T
Max Boost ClockPeak single-core speed under boost5 GHz
Base ClockGuaranteed minimum operating frequency4.3 GHz
ArchitectureCPU microarchitecture designHawk Point-HS (Zen 4) (2023−2024)
Process NodeFabrication technology — smaller = more efficient4 nm
L3 CacheShared cache — reduces memory latency for all cores16 MB (total)
L2 CachePer-core fast cache for frequently accessed data1 MB (per core)
L1 CacheUltra-fast per-core cache64 kB (per core)
Die SizePhysical silicon area of the processor178 mm2
Transistor CountMore transistors = more capabilities25,000 million
Max TemperatureMaximum safe operating temperature (Tjmax)100 °C
64-bit SupportYes
PassMark ScoreOverall multi-threaded benchmark score22,257
Cinebench R23 MultiSustained multi-core rendering performance13,316
Geekbench 6 SingleSingle-core performance — most relevant for gaming2,574
Geekbench 6 MultiMulti-core parallel workload performance10,675
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Memory & Platform

The Ryzen 5 8645HS fits into the FP8 socket and supports PCIe 4.0 with 20 total PCIe lanes for expansion cards and storage. It supports DDR5 memory at speeds up to LPDDR5x-7500 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 256 GB across 2 channels (dual-channel doubles bandwidth). It supports ECC memory, providing error-correcting capabilities — essential for mission-critical workloads and servers. Integrated graphics: Radeon 760M — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

SpecificationRyzen 5 8645HS
TypeDesktop or Laptop processorLaptop
SocketMotherboard socket requiredFP8
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 4.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion20
RAM TypeSupported memory standardDDR5
Max RAM SpeedMaximum officially supported memory frequencyLPDDR5x-7500
Max RAM CapacityMaximum installable memory256 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel2
ECC SupportError-Correcting Code memory — prevents data corruptionYes
Integrated GPUBuilt-in graphics processorRadeon 760M
Compatible ChipsetsMotherboard chipsets that support this CPUSoC
Max CPUs in ConfigMulti-socket support for servers1
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Advanced Features

The Ryzen 5 8645HS is primarily designed for Gaming. It supports AVX-512 instructions — specialized SIMD operations that significantly accelerate AI inference, scientific computing, and video encoding workloads. Virtualization: AMD-V (SVM) — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the Core i5-13500H.

SpecificationRyzen 5 8645HS
Primary Use CaseIntended workload categoryGaming
OverclockingWhether CPU clock can be manually increased🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads✅ Supported
VirtualizationHardware-assisted virtualization technologyAMD-V (SVM)
Direct CompetitorMarket equivalent from rival manufacturerCore i5-13500H
🌡️

Power & Cooling

The Ryzen 5 8645HS has a rated TDP (Thermal Design Power) of 45 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. No stock cooler is included — you will need to purchase an aftermarket cooler separately. Recommended cooling: Integrated laptop cooling.

SpecificationRyzen 5 8645HS
TDPThermal Design Power — heat output under sustained workload45 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)100 °C
Included CoolerStock cooler bundled in the boxNo
Recommended CoolerSuggested aftermarket cooling solutionIntegrated laptop cooling
💰

Value Analysis

Performance ranking position: #671 out of all indexed processors.

SpecificationRyzen 5 8645HS
Launch PriceOriginal retail price at launch$299
Performance RankPosition in overall performance ranking#671
Release DateLaunch date6 December 2023 (1 year ago)
Release Year2023
DesignerArchitecture designer (e.g. Intel, AMD)AMD
ManufacturerFabrication foundry (e.g. TSMC)TSMC

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