
Sempron 3400+ vs Celeron 430

Sempron 3400+

Celeron 430
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 3400+ is positioned at rank 907 and the Celeron 430 is on rank 1010, so the Sempron 3400+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Sempron 3400+
Performance Per Dollar Celeron 430
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron 3400+ | Celeron 430 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
| Longevity | 🛑 Legacy (Palermo (2001−2005) / 90 nm) | 🛑 Legacy (Conroe-L (2007−2008) / 65 nm) |
💎 Value Proposition
| Insight | Sempron 3400+ | Celeron 430 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
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 3400+ and Celeron 430

Sempron 3400+
The Sempron 3400+ is manufactured by AMD. It was released in 1 October 2005 (20 years ago). It is based on the Palermo (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 128 kB. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 62 Watt. Memory support: DDR1. Passmark benchmark score: 433 points. Launch price was $30.

Celeron 430
The Celeron 430 is manufactured by Intel. It was released in 3 June 2007 (18 years ago). It is based on the Conroe-L (2007−2008) architecture. It features 1 cores and 1 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 35 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 448 points. Launch price was $50.
Processing Power
Both the Sempron 3400+ and Celeron 430 share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Sempron 3400+ versus 1.8 GHz on the Celeron 430 — a 10.5% clock advantage for the Sempron 3400+. The Sempron 3400+ uses the Palermo (2001−2005) architecture (90 nm), while the Celeron 430 uses Conroe-L (2007−2008) (65 nm). In PassMark, the Sempron 3400+ scores 433 against the Celeron 430's 448 — a 3.4% lead for the Celeron 430. Both processors carry 0 kB of L3 cache.
| Feature | Sempron 3400+ | Celeron 430 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2 GHz+11% | 1.8 GHz |
| Base Clock | — | 1.8 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 128 kB | 512 kB+300% |
| Process | 90 nm | 65 nm-28% |
| Architecture | Palermo (2001−2005) | Conroe-L (2007−2008) |
| PassMark | 433 | 448+3% |
| Geekbench 6 Single | — | 226 |
Memory & Platform
The Sempron 3400+ uses the 939 socket (PCIe 2.0), while the Celeron 430 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Sempron 3400+ | Celeron 430 |
|---|---|---|
| Socket | 939 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | DDR2-800 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Sempron 3400+) / No (Celeron 430). Primary use case: Celeron 430 targets Budget. Direct competitor: Celeron 430 rivals Pentium 4 2.80.
| Feature | Sempron 3400+ | Celeron 430 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | No |
| Target Use | — | Budget |
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