Opteron X3421
CPU·Budget

Opteron X3421

AMD

PassMark

3,306

2015-01-01
15 Watt
Excavator (2017−2018)

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 Opteron X3421 is manufactured by AMD. It was released in 2015-01-01. It is based on the Excavator (2017−2018) architecture. It features 4 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.4 GHz. L2 cache: 2 MB (total). Built on 28 nm process technology. Socket: FP4. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 3,306 points. Launch price was $800.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Opteron X3421 is positioned at rank #102 in our cost-efficiency ranking, representing a Balanced 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 Opteron X3421

#1
Xeon Platinum 8454H
MSRP: $6540|Avg: N/A
2514%
#6
Xeon Gold 6240R
MSRP: $2444|Avg: N/A
475%
#10
Xeon 6337P
MSRP: $60|Avg: $5
422%
#15
EPYC 9174F
MSRP: $194|Avg: $30
326%
#86
Xeon Platinum 8260
MSRP: $400|Avg: $400
93%
#102
Opteron X3421
MSRP: N/A|Avg: N/A
100%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Opteron X3421 specifications and capabilities.

Processing Power

The Opteron X3421 is a 4-core / 4-thread processor based on the Excavator (2017−2018) architecture, manufactured on a 28 nm process node. It reaches a maximum boost clock of 3.4 GHz from a base frequency of 2.1 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 3,306, placing it in the Entry Level performance tier as a Legacy generation product.

SpecificationOpteron X3421
Cores / ThreadsPhysical/logical processing units4C / 4T
Max Boost ClockPeak single-core speed under boost3.4 GHz
Base ClockGuaranteed minimum operating frequency2.1 GHz
ArchitectureCPU microarchitecture designExcavator (2017−2018)
Process NodeFabrication technology — smaller = more efficient28 nm
L2 CachePer-core fast cache for frequently accessed data2 MB (total)
L1 CacheUltra-fast per-core cache160 kB
Die SizePhysical silicon area of the processor250 mm2
Transistor CountMore transistors = more capabilities3,100 million
64-bit SupportYes
PassMark ScoreOverall multi-threaded benchmark score3,306
🧠

Memory & Platform

The Opteron X3421 fits into the FP4 socket and supports PCIe 3.0. It supports DDR4 memory.

SpecificationOpteron X3421
TypeDesktop or Laptop processorWorkstation
SocketMotherboard socket requiredFP4
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 3.0
RAM TypeSupported memory standardDDR4
Max CPUs in ConfigMulti-socket support for servers1
🌡️

Power & Cooling

The Opteron X3421 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.

SpecificationOpteron X3421
TDPThermal Design Power — heat output under sustained workload15 Watt
💰

Value Analysis

It currently holds Rank #102 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #2161 out of all indexed processors.

SpecificationOpteron X3421
Launch PriceOriginal retail price at launch$800
Cost-Benefit RankPosition in overall value ranking#102
Performance RankPosition in overall performance ranking#2161
Release DateLaunch date2015-01-01
Release Year2017
DesignerArchitecture designer (e.g. Intel, AMD)AMD
ManufacturerFabrication foundry (e.g. TSMC)GlobalFoundries

Our Recommendation for Opteron X3421

Suggested pairings based on performance balance

Compare Opteron X3421

See how this CPU stacks up against similar alternatives

Compare with other CPUs