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AMD Athlon II X4 638 Price, Specs & Reviews | TimeToPick

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CPUs
AMD Athlon II X4 638

AMD

AMD Athlon II X4 638

FM1DDR34C / 4T65WLlano32nmEnd-of-life

Price

$0

AMD Athlon II X4 638

Full Specifications

Detailed architecture, platform, memory, and feature data for this CPU.

Total Cores4

Total Threads4

Base Clock2.70 GHz

BCLK / Multiplier100 MHz / 27.0xx

CodenameLlano

MicroarchitectureLlano

Process Node32nm

FoundryGlobalFoundries

Die Size228.0 mm²

Transistors1.18 billion

Production StatusEnd-of-life

Market SegmentDesktop

Launch DateFeb 6, 2012

Instruction Sets

MMX3DNow!SSESSE2SSE3SSE4AAMD64NX bitAMD-V

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3 Cores vs 4

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FM1 platform alternative

N/A

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FM1 platform alternative

N/A

About This Product

The Athlon II X4 638 is a quad-core desktop CPU from AMD's Llano microarchitecture, featuring integrated graphics. With a base clock of 2.7 GHz, it provides basic multi-core performance suitable for general computing tasks and light productivity. Its integrated graphics can handle casual gaming and HD video playback, but it is not suitable for modern demanding games or intensive applications. This CPU is an end-of-life product and is significantly outperformed by modern entry-level processors.

Best for: Legacy Systems

Pros

Integrated graphics for basic display output
Quad-core for general computing
Low 65W TDP

Cons

Outdated architecture and performance
Limited gaming capability
FM1 socket is obsolete

Verdict
“Suitable only for extremely budget-constrained legacy systems or basic retro builds.”

Performance Benchmarks

Cross-source performance, value, and efficiency at a glance

Scores are grouped by benchmark family so it is easy to compare raw speed, threaded output, and real-world value without mixing scales.

PassMark

Large Sample Pool

PassMark

Overall

55,65186%

PassMark rank: #222

Compatible Motherboards (1)

See full guide →

ASRock A55 Pro3

AMD A55ATX

N/A

Compatible RAM (3722)

See full guide →

G.Skill NS 2 GB

1x2GBDDR3-1333

$13.21

Corsair CMSO4GX3M1A1333C9 4 GB

1x4GBDDR3-1333

$17.74

G.Skill F3-12800CL9D-4GBSQ 4 GB

2x2GBDDR3-1600

$18.37

G.Skill F3-10666CL9S-4GBSQ 4 GB

1x4GBDDR3-1333

$18.58

Compatible CPU Coolers (1267)

DeepCool CAPTAIN 120

AIO 120mm39.3 dBA

$12.50

Thermaltake CLP0600

Air140mm30.0 dBA

$12.99

Thermaltake MeOrb II

Air35mm28.0 dBA

$12.99

ARCTIC Alpine AM4 CO

Air69mm

$15.99

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