
Sempron 2300+ vs Pentium III 1400S

Sempron 2300+

Pentium III 1400S
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.
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. The Sempron 2300+ is positioned at rank 1026 and the Pentium III 1400S is on rank 1128, so the Sempron 2300+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Sempron 2300+
Performance Per Dollar Pentium III 1400S
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron 2300+ | Pentium III 1400S |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($250) |
| Longevity | 🛑 Legacy (Barton (2001−2004) / 130 nm) | 🛑 Legacy (Tualatin (2000−2002) / 130 nm) |
💎 Value Proposition
| Insight | Sempron 2300+ | Pentium III 1400S |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($250) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Sempron 2300+ and Pentium III 1400S

Sempron 2300+
The Sempron 2300+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the Barton (2001−2004) architecture. It features 1 cores and 1 threads. Max frequency: 1.58 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: A. Thermal design power (TDP): 62 Watt. Passmark benchmark score: 248 points. Launch price was $45.

Pentium III 1400S
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.
Processing Power
Both the Sempron 2300+ and Pentium III 1400S share an identical 1-core/1-thread configuration. Boost clocks reach 1.58 GHz on the Sempron 2300+ versus 1.4 GHz on the Pentium III 1400S — a 12.1% clock advantage for the Sempron 2300+. The Sempron 2300+ uses the Barton (2001−2004) architecture (130 nm), while the Pentium III 1400S uses Tualatin (2000−2002) (130 nm). In PassMark, the Sempron 2300+ scores 248 against the Pentium III 1400S's 228 — a 8.4% lead for the Sempron 2300+. Both processors carry 0 kB of L3 cache.
| Feature | Sempron 2300+ | Pentium III 1400S |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.58 GHz+13% | 1.4 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 256 kB | 512 kB+100% |
| Process | 130 nm | 130 nm |
| Architecture | Barton (2001−2004) | Tualatin (2000−2002) |
| PassMark | 248+9% | 228 |
Memory & Platform
The Sempron 2300+ uses the A socket (PCIe 2.0), while the Pentium III 1400S uses PGA370 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Sempron 2300+ | Pentium III 1400S |
|---|---|---|
| Socket | A | PGA370 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | PC133 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 1 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Sempron 2300+) / No (Pentium III 1400S).
| Feature | Sempron 2300+ | Pentium III 1400S |
|---|---|---|
| Integrated GPU | — | No |
| AVX-512 | — | No |
| Virtualization | — | No |
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