
Celeron U3600 vs Athlon 64 FX-51

Celeron U3600

Athlon 64 FX-51
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 Celeron U3600 is positioned at rank 1213 and the Athlon 64 FX-51 is on rank 1133, so the Athlon 64 FX-51 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron U3600
Performance Per Dollar Athlon 64 FX-51
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron U3600 | Athlon 64 FX-51 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($134) | ⚠️ Higher cost ($733) |
| Longevity | 🛑 Legacy (Westmere (2010−2011) / 32 nm) | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) |
💎 Value Proposition
| Insight | Celeron U3600 | Athlon 64 FX-51 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+456%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($134) | ⚠️ Higher cost ($733) |
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 Celeron U3600 and Athlon 64 FX-51

Celeron U3600
The Celeron U3600 is manufactured by Intel. It was released in 2007-01-01. It is based on the Westmere (2010−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.2 GHz, with boost up to 0.1 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 625 points. Launch price was $69.

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.
Processing Power
The Celeron U3600 packs 2 cores / 2 threads, while the Athlon 64 FX-51 offers 1 cores / 1 threads — the Celeron U3600 has 1 more core. Boost clocks reach 0.1 GHz on the Celeron U3600 versus 2.2 GHz on the Athlon 64 FX-51 — a 182.6% clock advantage for the Athlon 64 FX-51. The Celeron U3600 uses the Westmere (2010−2011) architecture (32 nm), while the Athlon 64 FX-51 uses SledgeHammer (2003−2005) (130 nm). In PassMark, the Celeron U3600 scores 625 against the Athlon 64 FX-51's 615 — a 1.6% lead for the Celeron U3600. L3 cache: 2 MB on the Celeron U3600 vs 0 kB on the Athlon 64 FX-51.
| Feature | Celeron U3600 | Athlon 64 FX-51 |
|---|---|---|
| Cores / Threads | 2 / 2+100% | 1 / 1 |
| Boost Clock | 0.1 GHz | 2.2 GHz+2100% |
| Base Clock | 1.2 GHz | — |
| L3 Cache | 2 MB | 0 kB |
| L2 Cache | 512 kB | 1 MB+100% |
| Process | 32 nm-75% | 130 nm |
| Architecture | Westmere (2010−2011) | SledgeHammer (2003−2005) |
| PassMark | 625+2% | 615 |
Memory & Platform
The Celeron U3600 uses the BGA1288 socket (PCIe 2.0), while the Athlon 64 FX-51 uses 940 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Celeron U3600 | Athlon 64 FX-51 |
|---|---|---|
| Socket | BGA1288 | 940 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | DDR-400 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 0 |
Value Analysis
The Celeron U3600 launched at $134 MSRP, while the Athlon 64 FX-51 debuted at $733. At current prices ($134 vs $733), the Celeron U3600 is $599 cheaper. In terms of value (PassMark points per dollar), the Celeron U3600 delivers 4.7 pts/$ vs 0.8 pts/$ for the Athlon 64 FX-51 — making the Celeron U3600 the 139% better value option.
| Feature | Celeron U3600 | Athlon 64 FX-51 |
|---|---|---|
| MSRP | $134-82% | $733 |
| Avg Price (30d) | $134-82% | $733 |
| Performance per Dollar | 4.7+488% | 0.8 |
| Release Date | 2011 | 2003 |
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