Athlon 64 X2 5400+ vs Phenom X4 9500
Athlon 64 X2 5400+
Phenom X4 9500
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 Athlon 64 X2 5400+ is positioned at rank 1091 and the Phenom X4 9500 is on rank 1061, so the Phenom X4 9500 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon 64 X2 5400+
Performance Per Dollar Phenom X4 9500
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 X2 5400+ | Phenom X4 9500 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($78) | ✅ More affordable ($30) |
| Longevity | 🛑 Legacy (Windsor (2006−2007) / 90 nm) | 🛑 Legacy (Agena (2007−2008) / 65 nm) |
💎 Value Proposition
| Insight | Athlon 64 X2 5400+ | Phenom X4 9500 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+157%) |
| Upfront Cost | ⚠️ Higher cost ($78) | ✅ More affordable ($30) |
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 Athlon 64 X2 5400+ and Phenom X4 9500
Athlon 64 X2 5400+
The Athlon 64 X2 5400+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Windsor (2006−2007) architecture. It features 2 cores and 2 threads. Max frequency: 2.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,585 points. Launch price was $149.
Phenom X4 9500
The Phenom X4 9500 is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 2.2 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,564 points. Launch price was $149.
Processing Power
The Athlon 64 X2 5400+ packs 2 cores / 2 threads, while the Phenom X4 9500 offers 4 cores / 4 threads — the Phenom X4 9500 has 2 more cores. Boost clocks reach 2.8 GHz on the Athlon 64 X2 5400+ versus 2.2 GHz on the Phenom X4 9500 — a 24% clock advantage for the Athlon 64 X2 5400+. The Athlon 64 X2 5400+ uses the Windsor (2006−2007) architecture (90 nm), while the Phenom X4 9500 uses Agena (2007−2008) (65 nm). In PassMark, the Athlon 64 X2 5400+ scores 1,585 against the Phenom X4 9500's 1,564 — a 1.3% lead for the Athlon 64 X2 5400+. L3 cache: 0 kB on the Athlon 64 X2 5400+ vs 2 MB (total) on the Phenom X4 9500.
| Feature | Athlon 64 X2 5400+ | Phenom X4 9500 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.8 GHz+27% | 2.2 GHz |
| L3 Cache | 0 kB | 2 MB (total) |
| L2 Cache | 512 kB | 512 kB (per core) |
| Process | 90 nm | 65 nm-28% |
| Architecture | Windsor (2006−2007) | Agena (2007−2008) |
| PassMark | 1,585+1% | 1,564 |
Memory & Platform
The Athlon 64 X2 5400+ uses the AM2 socket (PCIe 1.1), while the Phenom X4 9500 uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon 64 X2 5400+ | Phenom X4 9500 |
|---|---|---|
| Socket | AM2 | AM2+ |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-800 | — |
| Max RAM Capacity | 16 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Value Analysis
The Athlon 64 X2 5400+ launched at $485 MSRP, while the Phenom X4 9500 debuted at $247. At current prices ($78 vs $30), the Phenom X4 9500 is $48 cheaper. In terms of value (PassMark points per dollar), the Athlon 64 X2 5400+ delivers 20.3 pts/$ vs 52.1 pts/$ for the Phenom X4 9500 — making the Phenom X4 9500 the 87.8% better value option.
| Feature | Athlon 64 X2 5400+ | Phenom X4 9500 |
|---|---|---|
| MSRP | $485 | $247-49% |
| Avg Price (30d) | $78 | $30-62% |
| Performance per Dollar | 20.3 | 52.1+157% |
| Release Date | 2006 | 2007 |
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