
Pentium III 1400S
Intel
PassMark
228
MSRP
$250
AVG Price
$250
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium III 1400S
FPS Benchmarks
Predicted performance for Pentium III 1400S across popular games. Tested paired with RTX 4090 to isolate CPU performance.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant
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.
| Specification | Pentium III 1400S |
|---|---|
| Cores / ThreadsPhysical/logical processing units | 1C / 1T |
| Max Boost ClockPeak single-core speed under boost | 1.4 GHz |
| ArchitectureCPU microarchitecture design | Tualatin (2000−2002) |
| Process NodeFabrication technology — smaller = more efficient | 130 nm |
| L3 CacheShared cache — reduces memory latency for all cores | 0 kB |
| L2 CachePer-core fast cache for frequently accessed data | 512 kB |
| L1 CacheUltra-fast per-core cache | 8 kB |
| Die SizePhysical silicon area of the processor | 80 mm2 |
| Transistor CountMore transistors = more capabilities | 44 million |
| 64-bit Support | No |
| Windows 11 Compatible | No |
| PassMark ScoreOverall multi-threaded benchmark score | 228 |
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.
| Specification | Pentium III 1400S |
|---|---|
| TypeDesktop or Laptop processor | desktop |
| SocketMotherboard socket required | PGA370 |
| PCIe GenerationPeripheral interconnect speed — affects GPU and SSD bandwidth | PCIe 1.1 |
| PCIe LanesTotal available lanes for GPUs, NVMe drives, and expansion | 0 |
| Max RAM SpeedMaximum officially supported memory frequency | PC133 |
| Max RAM CapacityMaximum installable memory | 4 GB |
| RAM ChannelsDual-channel doubles bandwidth vs single-channel | 1 |
| ECC SupportError-Correcting Code memory — prevents data corruption | Yes |
| Integrated GPUBuilt-in graphics processor | No |
| Compatible ChipsetsMotherboard chipsets that support this CPU | Intel 815,VIA Apollo Pro 133T |
| Max CPUs in ConfigMulti-socket support for servers | 1 |
Advanced Features
Virtualization: No — enables running virtual machines efficiently (important for development and server workloads).
| Specification | Pentium III 1400S |
|---|---|
| AVX-512Advanced vector instructions for AI/ML workloads | ❌ Not Supported |
| VirtualizationHardware-assisted virtualization technology | No |
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.
| Specification | Pentium III 1400S |
|---|---|
| TDPThermal Design Power — heat output under sustained workload | 32 Watt |
| Included CoolerStock cooler bundled in the box | Yes |
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.
| Specification | Pentium 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 date | 2007-01-01 |
| Release Year | 2002 |
| DesignerArchitecture designer (e.g. Intel, AMD) | Intel |
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