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AMD FX-9590 vs AMD A9-9420

Last updated: 2026-07-04

Table of Contents

Summary
Benchmarks
Specifications
User Reviews
Popular Comparisons

Summary

Benchmarks

Performance Overview
Average performance across multiple benchmarks

Single-core performance

Rank 1 - 100 %

AMD FX-9590

Rank 2 - 78 %

AMD A9-9420

Multi-core performance

Rank 1 - 100 %

AMD FX-9590

Rank 2 - 22 %

AMD A9-9420

Geekbench 5, 64bit Single-Core
Single-core performance

8C / 8T · 5.00 GHz

634

2C / 2T · 3.60 GHz

497

Geekbench 5, 64bit Multi-Core
Multi-core performance

8C / 8T · 5.00 GHz

3,020

2C / 2T · 3.00 GHz

805

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

8C / 8T · 4.70 GHz

1,967

2C / 2T · 3.00 GHz

328

Cinebench R15 (Single-Core)
Single-core performance

8C / 8T · 5.00 GHz

114 cb

2C / 2T · 3.60 GHz

81 cb

Cinebench R15 (Multi-Core)
Multi-core performance

8C / 8T · 5.00 GHz

713 cb

2C / 2T · 3.00 GHz

134 cb

More benchmarks

Geekbench 5 (SC)
2,512 entries

Geekbench 5 (MC)
2,483 entries

FP32 SP (iGPU)
2,219 entries

Blender 3.1 Benchmark
213 entries

PassMark CPU-Mark
2,504 entries

Blender 2.81 (bmw27)
190 entries

CPU-Z Benchmark 17 (SC)
250 entries

CPU-Z Benchmark 17 (MC)
751 entries

Cinebench R15 (SC)
1,113 entries

Cinebench R15 (MC)
1,110 entries

Geekbench 3 (SC)
945 entries

Geekbench 3 (MC)
941 entries

Cinebench R11.5 (SC)
826 entries

Cinebench R11.5 (MC)
837 entries

Specifications

At a glance

Wischen	AMD FX-9590	AMD A9-9420
Family	AMD FX (30)	AMD A (112)
CPU group	AMD FX-9000 (2)	AMD A9-9000 (4)
Architecture	Vishera (Piledriver)	Stoney Ridge (Excavator)
Technology	32 nm	28 nm
Segment	Desktop	Notebook
Socket	AM3+	FP4
Predecessor
Successor

CPU Cores and Base Frequency

Wischen	AMD FX-9590	AMD A9-9420
CPU Cores / Threads	8 / 8	2 / 2
Hyperthreading / SMT	✗	✗
Core architecture	normal	normal
Cores:	8x	2x
Frequency:	4.70 GHz	3.00 GHz
Turbo (1 Core):	5.00 GHz	3.60 GHz
Turbo (All Cores):	5.00 GHz	3.00 GHz
L2-Cache
L3-Cache	8.00 MB	2.00 MB
Overclocking	✓	✗

Integrated graphics (iGPU)

Wischen	AMD FX-9590	AMD A9-9420
GPU name	no iGPU	AMD Radeon R5 (Stoney Ridge)
GPU frequency		0.85 GHz
CUs / Shader	/	3 / 192
Raytracing	✗	✗
Max. displays		3
Max. GPU Memory		2 GB
Technology		28 nm
Release date		Q2/2016

NPU AI performance

Wischen	AMD FX-9590	AMD A9-9420
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen	AMD FX-9590	AMD A9-9420
Memory	DDR3-1866 (29.9 GB/s)	DDR4-2133 (17.1 GB/s)
Max. Memory		8 GB
Memory channels	2	1
ECC	Yes	No
PCIe		3.0 x 8
PCIe Bandwidth		7.9 GB/s

Thermal Management

Wischen	AMD FX-9590	AMD A9-9420
TDP	220 W	15 W
TDP (PL2)
TDP up		25 W
TDP down		10 W
T. junction max.		90 °C

Technical details

Wischen	AMD FX-9590	AMD A9-9420
Chip design	Unknown	Unknown
AES-NI	✓	✓
Operating systems	Windows 10, Linux
Instruction set	x86-64 (64 bit)	x86-64 (64 bit)
ISA extensions	SSE4.1, SSE4.2, AVX, FMA3, FMA4	SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4
Release date	Q3/2013	Q2/2017
Release price	270 $
Documents

User Reviews

Your rating

Here you can rate one or both of the processors. The average rating of AMD FX-9590 is 4.0 stars (20 ratings), while AMD A9-9420 has received 3.8 stars (15 ratings).

Click on the stars to rate one or both processors.

AMD FX-9590
8C / 8T · 4.70 - 5.00 GHz

★★★★★

AMD A9-9420
2C / 2T · 3.00 - 3.60 GHz

★★★★★