Athlon XP 2100+
CPU·Budget

Athlon XP 2100+

AMD

PassMark

265

MSRP

$420

AVG Price

$30

2009-01-01
72 Watt
Thoroughbred (2001−2002)

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 Athlon XP 2100+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Thoroughbred (2001−2002) architecture. It features 1 cores and 1 threads. Max frequency: 1.73 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 180 nm process technology. Socket: A. Thermal design power (TDP): 72 Watt. Passmark benchmark score: 265 points. Launch price was $149.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. 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 Athlon XP 2100+

#963
Athlon XP 1900+
MSRP: $269|Avg: $20
135%
#964
Core 2 Duo E7300
MSRP: $133|Avg: $133
132%
#965
Pentium Extreme Edition 965
MSRP: $999|Avg: $100
132%
#966
Phenom II X4 810
MSRP: $175|Avg: N/A
132%
#967
Athlon 64 X2 4200+
MSRP: $581|Avg: $110
129%
#968
Pentium III 1400
MSRP: $250|Avg: $20
129%
#969
Celeron E1400
MSRP: $53|Avg: $63
129%
#970
Athlon X2 BE-2300
MSRP: $100|Avg: $80
128%
#971
Athlon XP 3200+
MSRP: $464|Avg: $40
126%
#972
Sempron 2800+
MSRP: $65|Avg: $29
125%
#973
A8-3820
MSRP: $280|Avg: $200
123%
#974
Athlon XP 2800+
MSRP: $375|Avg: $35
123%
#975
Pentium III 1266S
MSRP: $369|Avg: $20
119%
#976
Athlon XP 2200+
MSRP: $241|Avg: $30
106%
#977
Athlon II X4 635
MSRP: $400|Avg: $250
102%
#978
Athlon XP 2100+
MSRP: $420|Avg: $30
100%
#979
Pentium G4400TE
MSRP: $300|Avg: $250
99%
#980
Celeron 2.70
MSRP: $49|Avg: $49
94%
#981
Phenom X3 8450
MSRP: $145|Avg: $147
94%
#982
Athlon II X4 638
MSRP: $300|Avg: $280
91%
#983
Ryzen Embedded R2314
MSRP: $300|Avg: $762
87%
#984
Core 2 Duo E7200
MSRP: $133|Avg: $133
85%
#985
Athlon XP 1800+
MSRP: $252|Avg: $30
85%
#986
Celeron E1200
MSRP: $53|Avg: $98
77%
#987
Athlon XP 2000+
MSRP: $339|Avg: $40
71%
#988
Pentium III 1133
MSRP: $990|Avg: $30
68%
#989
Celeron 2.10
MSRP: $49|Avg: $49
66%
#990
Pentium 4 1.80
MSRP: $562|Avg: $40
64%
#991
Athlon 64 FX-57
MSRP: $1031|Avg: $200
41%
#992
Phenom X4 9450e
MSRP: $450|Avg: $430
38%
#993
Core 2 Extreme QX9770
MSRP: $1399|Avg: $1399
37%
Based on actual market prices and performance synthetic scores.

FPS Benchmarks

Predicted performance for Athlon XP 2100+ across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Technical Analysis

Detailed breakdown of Athlon XP 2100+ specifications and capabilities.

Processing Power

The Athlon XP 2100+ is a 1-core / 1-thread processor based on the Thoroughbred (2001−2002) architecture, manufactured on a 180 nm process node. It reaches a maximum boost clock of 1.73 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 0 kB of L3 cache, plus 256 kB of L2 cache and 128 kB of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 265, placing it in the Entry Level performance tier as a Legacy generation product.

SpecificationAthlon XP 2100+
Cores / ThreadsPhysical/logical processing units1C / 1T
Max Boost ClockPeak single-core speed under boost1.73 GHz
ArchitectureCPU microarchitecture designThoroughbred (2001−2002)
Process NodeFabrication technology — smaller = more efficient180 nm
L3 CacheShared cache — reduces memory latency for all cores0 kB
L2 CachePer-core fast cache for frequently accessed data256 kB
L1 CacheUltra-fast per-core cache128 kB
Die SizePhysical silicon area of the processor150 mm2
Transistor CountMore transistors = more capabilities37 million
64-bit SupportNo
Windows 11 CompatibleNo
PassMark ScoreOverall multi-threaded benchmark score265
🧠

Memory & Platform

The Athlon XP 2100+ fits into the A socket and supports PCIe 1.1 with 0 total PCIe lanes for expansion cards and storage. It supports ECC memory, providing error-correcting capabilities — essential for mission-critical workloads and servers.

SpecificationAthlon XP 2100+
TypeDesktop or Laptop processordesktop
SocketMotherboard socket requiredA
PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidthPCIe 1.1
PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion0
Max RAM SpeedMaximum officially supported memory frequencyDDR-266
Max RAM CapacityMaximum installable memory4 GB
RAM ChannelsDual-channel doubles bandwidth vs single-channel1
ECC SupportError-Correcting Code memory — prevents data corruptionYes
Integrated GPUBuilt-in graphics processorNo
Compatible ChipsetsMotherboard chipsets that support this CPUAMD Socket A
Max CPUs in ConfigMulti-socket support for servers1
🌡️

Power & Cooling

The Athlon XP 2100+ has a rated TDP (Thermal Design Power) of 72 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed.

SpecificationAthlon XP 2100+
TDPThermal Design Power — heat output under sustained workload72 Watt
💰

Value Analysis

At an average price of $30 (MSRP: $420), the Athlon XP 2100+ delivers 9 PassMark points per dollar. Performance ranking position: #3625 out of all indexed processors.

SpecificationAthlon XP 2100+
MSRPManufacturer's Suggested Retail Price$420
Avg Price (30d)Average market price over the last 30 days$30
Launch PriceOriginal retail price at launch$149
Performance RankPosition in overall performance ranking#3625
Release DateLaunch date2009-01-01
Release Year2001
DesignerArchitecture designer (e.g. Intel, AMD)AMD

Specifications Reference

Raw spec sheet for quick lookup. The analysis cards above explain what these fields mean in practice.

3 categories

General Information

6 specs

Typedesktop
DesignerAMD
Launch Price$149
Release Date2009-01-01
Architecture CodenameThoroughbred (2001−2002)
Performance Ranking Position3625

Technical Specifications

11 specs

Cores1
Threads1
Die Size150 mm2
L1 Cache128 kB
L2 Cache256 kB
L3 Cache0 kB
Max Frequency1.73 GHz
64-Bit Support-
Transistor Count37 million
Process Technology180 nm
Windows 11 Compatible-

Compatibility

4 specs

SocketA
PCIe GenerationPCIe 1.1
Power Consumption (TDP)72 Watt
Max Processors In Config1

Our Recommendation for Athlon XP 2100+

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