Pentium III 1400S
CPU·Budget

Pentium III 1400S

Intel

PassMark

228

MSRP

$250

AVG Price

$250

2007-01-01
32 Watt
Tualatin (2000−2002)

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 Pentium III 1400S is manufactured by Intel. It was released in 2007-01-01. It is based on the Tualatin (2000−2002) architecture. It features 1 cores and 1 threads. Max frequency: 1.4 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA370. Thermal design power (TDP): 32 Watt. Passmark benchmark score: 228 points. Launch price was $69.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Pentium III 1400S is positioned at rank #1128 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 Pentium III 1400S

#1
Ryzen 9 7950X
MSRP: $194|Avg: $20
342544%
#2
Core i9-10900T
MSRP: $120|Avg: $5
323670%
#3
Ryzen 3 PRO 4355GE
MSRP: $423|Avg: $5
235011%
#4
Ryzen Threadripper 3960X
MSRP: $1399|Avg: $85
70799%
#5
Ryzen 9 9950X
MSRP: $649|Avg: $129
56080%
#6
Ryzen 5 8400F
MSRP: $303|Avg: $55
49059%
#7
Ryzen 7 PRO 2700
MSRP: $299|Avg: $60
28099%
#8
Ryzen 5 2600X
MSRP: $229|Avg: $55
27732%
#9
Ryzen 3 PRO 5350G
MSRP: $150|Avg: $60
25251%
#10
Core Ultra 5 245KF
MSRP: $294|Avg: $189
25248%
#11
Ryzen 5 5500
MSRP: $159|Avg: $85
24966%
#12
Ryzen 5 3600
MSRP: $199|Avg: $80
24292%
#13
Core i3-9100E
MSRP: $202|Avg: $30
23953%
#14
Core Ultra 5 245K
MSRP: $319|Avg: $200
23856%
#15
Core i3-8300T
MSRP: $138|Avg: $25
23640%
#1126
Pentium III 1400
MSRP: $250|Avg: $20
100%
#1127
Pentium 4 2.60
MSRP: $401|Avg: $25
100%
#1128
Pentium III 1400S
MSRP: $250|Avg: $250
100%
#1129
Athlon XP 1800+
MSRP: $252|Avg: $30
98%
#1130
Athlon XP 1900+
MSRP: $269|Avg: $20
97%
#1131
Athlon 64 FX-51
MSRP: $733|Avg: $733
92%
#1132
Athlon 64 FX-55
MSRP: $827|Avg: $50
91%
#1133
Athlon 64 FX-53
MSRP: $799|Avg: $15
89%
#1134
Athlon XP 2000+
MSRP: $339|Avg: $40
81%
#1135
Athlon 64 FX-57
MSRP: $1031|Avg: $200
77%
#1136
Athlon XP 3000+
MSRP: $588|Avg: $20
76%
#1137
Athlon XP 2100+
MSRP: $420|Avg: $30
69%
#1138
Pentium III 1266S
MSRP: $369|Avg: $20
63%
#1139
Pentium 4 1.80
MSRP: $562|Avg: $40
44%
#1140
Pentium III 1133
MSRP: $990|Avg: $30
20%
Based on actual market prices and performance synthetic scores.

Technical Analysis

Detailed breakdown of Pentium III 1400S specifications and capabilities.

Processing Power

The Pentium III 1400S is a 1-core / 1-thread processor based on the Tualatin (2000−2002) architecture, manufactured on a 130 nm process node. It reaches a maximum boost clock of 1.4 GHz— higher boost clocks directly translate to better single-threaded performance and responsiveness in gaming. It carries 0 kB of L3 cache, plus 512 kB of L2 cache and 8 kB of L1 cache per core. In the PassMark benchmark (a comprehensive multi-threaded test), it scores 228, placing it in the Entry Level performance tier as a Legacy generation product.

SpecificationPentium III 1400S
Cores / ThreadsPhysical/logical processing units1C / 1T
Max Boost ClockPeak single-core speed under boost1.4 GHz
ArchitectureCPU microarchitecture designTualatin (2000−2002)
Process NodeFabrication technology — smaller = more efficient130 nm
L3 CacheShared cache — reduces memory latency for all cores0 kB
L2 CachePer-core fast cache for frequently accessed data512 kB
L1 CacheUltra-fast per-core cache8 kB
Die SizePhysical silicon area of the processor80 mm2
Transistor CountMore transistors = more capabilities44 million
64-bit SupportNo
Windows 11 CompatibleNo
PassMark ScoreOverall multi-threaded benchmark score228
🧠

Memory & Platform

The Pentium III 1400S fits into the PGA370 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.

SpecificationPentium III 1400S
TypeDesktop or Laptop processordesktop
SocketMotherboard socket requiredPGA370
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 frequencyPC133
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 CPUIntel 815,VIA Apollo Pro 133T
Max CPUs in ConfigMulti-socket support for servers1
🔧

Advanced Features

Virtualization: No — enables running virtual machines efficiently (important for development and server workloads).

SpecificationPentium III 1400S
AVX-512Advanced vector instructions for AI/ML workloads❌ Not Supported
VirtualizationHardware-assisted virtualization technologyNo
🌡️

Power & Cooling

The Pentium III 1400S has a rated TDP (Thermal Design Power) of 32 Watt — this indicates the amount of heat generated under sustained load and determines what cooling solution is needed. It ships with the Yes stock cooler.

SpecificationPentium III 1400S
TDPThermal Design Power — heat output under sustained workload32 Watt
Included CoolerStock cooler bundled in the boxYes
💰

Value Analysis

At an average price of $250, the Pentium III 1400S delivers 1 PassMark points per dollar. It currently holds Rank #1128 in the overall cost-benefit ranking — this ranking factors in performance-per-dollar relative to all available processors. Performance ranking position: #3640 out of all indexed processors.

SpecificationPentium III 1400S
MSRPManufacturer's Suggested Retail Price$250
Avg Price (30d)Average market price over the last 30 days$250
Launch PriceOriginal retail price at launch$69
Cost-Benefit RankPosition in overall value ranking#1128
Performance RankPosition in overall performance ranking#3640
Release DateLaunch date2007-01-01
Release Year2002
DesignerArchitecture designer (e.g. Intel, AMD)Intel

Our Recommendation for Pentium III 1400S

Suggested pairings based on performance balance

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