Ryzen 9 7940H
CPU·Mid-Range

Ryzen 9 7940H

AMD

PassMark

29,151

Janeiro 2023 (2 years ago)
35 Watt
Phoenix (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 9 7940H is manufactured by AMD. It was released in Janeiro 2023 (2 years ago). It is based on the Phoenix (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 35 Watt. Memory support: DDR5-5600. Passmark benchmark score: 29,151 points. Launch price was $299.

Value Upgrade Path

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

Performance Per Dollar

Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Ryzen 9 7940H specifications and capabilities.

Processing Power

The Ryzen 9 7940H is a 8-core / 16-thread processor based on the Phoenix (2023−2024) architecture, manufactured on a 4 nm process node. It reaches a maximum boost clock of 5.2 GHz from a base frequency of 4 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 64K (per core) of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 29,151, placing it in the High-End performance tier as a Recent generation product. Geekbench 6 single-core (the most relevant metric for gaming FPS) records 2,646, while multi-core reaches 13,495. Cinebench R23 multi-core (measuring sustained rendering workload performance) scores 17,200.

SpecificationRyzen 9 7940H
Cores / ThreadsPhysical/logical processing units8C / 16T
Max Boost ClockPeak single-core speed under boost5.2 GHz
Base ClockGuaranteed minimum operating frequency4 GHz
ArchitectureCPU microarchitecture designPhoenix (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 cache64K (per core)
Die SizePhysical silicon area of the processor178 mm2
Transistor CountMore transistors = more capabilities25,000 million
64-bit SupportYes
Windows 11 CompatibleYes
PassMark ScoreOverall multi-threaded benchmark score29,151
Cinebench R23 MultiSustained multi-core rendering performance17,200
Geekbench 6 SingleSingle-core performance — most relevant for gaming2,646
Geekbench 6 MultiMulti-core parallel workload performance13,495
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Memory & Platform

The Ryzen 9 7940H fits into the FP8 socket and supports PCIe 4.0 with 20 total PCIe lanes for expansion cards and storage. It supports DDR5-5600 memory at speeds up to DDR5-5600 (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 780M — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

SpecificationRyzen 9 7940H
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 standardDDR5-5600
Max RAM SpeedMaximum officially supported memory frequencyDDR5-5600
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 780M
Compatible ChipsetsMotherboard chipsets that support this CPUFP7,FP7r2,FP8
Max CPUs in ConfigMulti-socket support for servers1
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Advanced Features

The Ryzen 9 7940H is primarily designed for High-performance Gaming Laptop. It features an unlocked multiplier, allowing enthusiasts to overclock beyond stock frequencies for additional performance. 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 i9-13900H.

SpecificationRyzen 9 7940H
Primary Use CaseIntended workload categoryHigh-performance Gaming Laptop
OverclockingWhether CPU clock can be manually increased✅ Unlocked
AVX-512Advanced vector instructions for AI/ML workloads✅ Supported
VirtualizationHardware-assisted virtualization technologyAMD-V, SVM
Direct CompetitorMarket equivalent from rival manufacturerCore i9-13900H
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Power & Cooling

The Ryzen 9 7940H has a rated TDP (Thermal Design Power) of 35 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: High-end Mobile Cooling.

SpecificationRyzen 9 7940H
TDPThermal Design Power — heat output under sustained workload35 Watt
Included CoolerStock cooler bundled in the boxNo
Recommended CoolerSuggested aftermarket cooling solutionHigh-end Mobile Cooling
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Value Analysis

Performance ranking position: #452 out of all indexed processors.

SpecificationRyzen 9 7940H
Launch PriceOriginal retail price at launch$299
Performance RankPosition in overall performance ranking#452
Release DateLaunch dateJaneiro 2023 (2 years ago)
Release Year2023
DesignerArchitecture designer (e.g. Intel, AMD)AMD
ManufacturerFabrication foundry (e.g. TSMC)TSMC

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