Athlon 64 FX-51 vs Core Duo T2050
Athlon 64 FX-51
Core Duo T2050
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 FX-51 is positioned at rank 1133 and the Core Duo T2050 is on rank 86, so the Core Duo T2050 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 FX-51
Performance Per Dollar Core Duo T2050
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 FX-51 | Core Duo T2050 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($733) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) | 🛑 Legacy (Yonah (2005−2006) / 65 nm) |
💎 Value Proposition
| Insight | Athlon 64 FX-51 | Core Duo T2050 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($733) | ✅ More affordable ($0) |
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 FX-51 and Core Duo T2050
Athlon 64 FX-51
The Athlon 64 FX-51 is manufactured by AMD. It was released in 2009-01-01. It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 615 points. Launch price was $149.
Core Duo T2050
The Core Duo T2050 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yonah (2005−2006) architecture. It features 2 cores and 2 threads. Base frequency is 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 31 Watt. Memory support: DDR1. Passmark benchmark score: 585 points. Launch price was $249.
Processing Power
The Athlon 64 FX-51 packs 1 cores / 1 threads, while the Core Duo T2050 offers 2 cores / 2 threads — the Core Duo T2050 has 1 more core. Boost clocks reach 2.2 GHz on the Athlon 64 FX-51 versus 1.6 GHz on the Core Duo T2050 — a 31.6% clock advantage for the Athlon 64 FX-51. The Athlon 64 FX-51 uses the SledgeHammer (2003−2005) architecture (130 nm), while the Core Duo T2050 uses Yonah (2005−2006) (65 nm). In PassMark, the Athlon 64 FX-51 scores 615 against the Core Duo T2050's 585 — a 5% lead for the Athlon 64 FX-51. Both processors carry 0 kB of L3 cache.
| Feature | Athlon 64 FX-51 | Core Duo T2050 |
|---|---|---|
| Cores / Threads | 1 / 1 | 2 / 2+100% |
| Boost Clock | 2.2 GHz+38% | 1.6 GHz |
| Base Clock | — | 1.6 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB | 2 MB+100% |
| Process | 130 nm | 65 nm-50% |
| Architecture | SledgeHammer (2003−2005) | Yonah (2005−2006) |
| PassMark | 615+5% | 585 |
Memory & Platform
The Athlon 64 FX-51 uses the 940 socket (PCIe 1.1), while the Core Duo T2050 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Athlon 64 FX-51 | Core Duo T2050 |
|---|---|---|
| Socket | 940 | PGA478 |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | DDR-400 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 0 | — |
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