A9-9420
CPU·Budget

A9-9420

AMD

PassMark

1,538

MSRP

$150

AVG Price

$30

31 May 2016 (9 years ago)
15 Watt
Stoney Ridge (2016−2019)

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 A9-9420 is manufactured by AMD. It was released in 31 May 2016 (9 years ago). It is based on the Stoney Ridge (2016−2019) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB (total). Built on 28 nm process technology. Socket: FT4. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,538 points. Launch price was $69.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The A9-9420 is positioned at rank #1074 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 A9-9420

#1062
Atom x5-Z8300
MSRP: $20|Avg: N/A
2862%
#1063
Atom Z3735G
MSRP: $17|Avg: N/A
2820%
#1064
Core i5-480M
MSRP: $81|Avg: $77
2589%
#1065
Core i5-460M
MSRP: $80|Avg: $129
2578%
#1066
Core i5-2540M
MSRP: $266|Avg: $10
2554%
#1068
Core i5-450M
MSRP: $32|Avg: $31
2466%
#1069
Core i3-380M
MSRP: $49|Avg: $25
2365%
#1070
Core i5-430M
MSRP: N/A|Avg: $33
2361%
#1071
Core 2 Duo T6600
MSRP: N/A|Avg: $4
2298%
#1074
A9-9420
MSRP: $150|Avg: $30
100%
#1075
Celeron B730
MSRP: $70|Avg: $10
100%
#1078
A9-9425
MSRP: $150|Avg: $30
99%
#1080
Core i5-4402E
MSRP: $266|Avg: $100
98%
#1081
A6-7000
MSRP: $100|Avg: $15
98%
#1083
Core i5-2520M
MSRP: $225|Avg: N/A
97%
#1084
Core i7-2710QE
MSRP: $378|Avg: $40
97%
#1089
Core i5-3610ME
MSRP: $276|Avg: $22
94%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of A9-9420 specifications and capabilities.

Processing Power

The A9-9420 is a 2-core / 2-thread processor based on the Stoney Ridge (2016−2019) architecture, manufactured on a 28 nm process node. It reaches a maximum boost clock of 3.6 GHz from a base frequency of 3 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 0 kB of L3 cache, plus 1 MB (total) of L2 cache and 160 kB of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 1,538, placing it in the Entry Level performance tier as a Legacy generation product. Geekbench 6 single-core (the most relevant metric for gaming FPS) records 497, while multi-core reaches 950.

SpecificationA9-9420
Cores / ThreadsPhysical/logical processing units2C / 2T
Max Boost ClockPeak single-core speed under boost3.6 GHz
Base ClockGuaranteed minimum operating frequency3 GHz
ArchitectureCPU microarchitecture designStoney Ridge (2016−2019)
Process NodeFabrication technology — smaller = more efficient28 nm
L3 CacheShared cache — reduces memory latency for all cores0 kB
L2 CachePer-core fast cache for frequently accessed data1 MB (total)
L1 CacheUltra-fast per-core cache160 kB
Die SizePhysical silicon area of the processor125 mm2
Transistor CountMore transistors = more capabilities1,200 million
Max TemperatureMaximum safe operating temperature (Tjmax)90 °C
64-bit SupportYes
Windows 11 CompatibleNo
PassMark ScoreOverall multi-threaded benchmark score1,538
Geekbench 6 SingleSingle-core performance — most relevant for gaming497
Geekbench 6 MultiMulti-core parallel workload performance950
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Memory & Platform

The A9-9420 fits into the FT4 socket and supports PCIe 3.0 with 8 total PCIe lanes for expansion cards and storage. It supports DDR4 memory at speeds up to DDR4-2133 (faster RAM improves bandwidth-sensitive workloads), with a maximum capacity of 8 GB across 1 channels (dual-channel doubles bandwidth). Integrated graphics: Radeon R5 — allows display output without a dedicated GPU, useful for troubleshooting and light tasks.

SpecificationA9-9420
TypeDesktop or Laptop processorLaptop
SeriesProduct familyAMD Bristol Ridge
SocketMotherboard socket requiredFT4
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 3.0
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion8
RAM TypeSupported memory standardDDR4
Max RAM SpeedMaximum officially supported memory frequencyDDR4-2133
Max RAM CapacityMaximum installable memory8 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel1
ECC SupportError-Correcting Code memory — prevents data corruptionNo
Integrated GPUBuilt-in graphics processorRadeon R5
Compatible ChipsetsMotherboard chipsets that support this CPUSoC
Max CPUs in ConfigMulti-socket support for servers1
🔧

Advanced Features

The A9-9420 is primarily designed for Budget Laptop. Virtualization: AMD-V — enables running virtual machines efficiently (important for development and server workloads). Its primary market competitor is the Pentium N4200.

SpecificationA9-9420
Primary Use CaseIntended workload categoryBudget Laptop
OverclockingWhether CPU clock can be manually increased🔒 Locked
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyAMD-V
Direct CompetitorMarket equivalent from rival manufacturerPentium N4200
🌡️

Power & Cooling

The A9-9420 has a rated TDP (Thermal Design Power) of 15 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: Laptop Cooling.

SpecificationA9-9420
TDPThermal Design Power — heat output under sustained workload15 Watt
Max TemperatureMaximum safe junction temperature (Tjmax)90 °C
Included CoolerStock cooler bundled in the boxNone
Recommended CoolerSuggested aftermarket cooling solutionLaptop Cooling
💰

Value Analysis

At an average price of $30 (MSRP: $150), the A9-9420 delivers 51 PassMark points per dollar. It currently holds Rank #1074 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2784 out of all indexed processors.

SpecificationA9-9420
MSRPManufacturer's Suggested Retail Price$150
Avg Price (30d)Average market price over the last 30 days$30
Launch PriceOriginal retail price at launch$69
Cost-Benefit RankPosition in overall value ranking#1074
Performance RankPosition in overall performance ranking#2784
Release DateLaunch date31 May 2016 (9 years ago)
Release Year2016
DesignerArchitecture designer (e.g. Intel, AMD)AMD
ManufacturerFabrication foundry (e.g. TSMC)GlobalFoundries

Our Recommendation for A9-9420

Suggested pairings based on performance balance

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