
Athlon 64 FX-55 vs Celeron 1047UE

Athlon 64 FX-55

Celeron 1047UE
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-55 is positioned at rank 1134 and the Celeron 1047UE is on rank 1170, so the Athlon 64 FX-55 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-55
Performance Per Dollar Celeron 1047UE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 FX-55 | Celeron 1047UE |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($50) | ⚠️ Higher cost ($100) |
| Longevity | 🛑 Legacy (Clawhammer (2001−2005) / 130 nm) | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) |
💎 Value Proposition
| Insight | Athlon 64 FX-55 | Celeron 1047UE |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+104%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($50) | ⚠️ Higher cost ($100) |
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-55 and Celeron 1047UE

Athlon 64 FX-55
The Athlon 64 FX-55 is manufactured by AMD. It was released in 10 October 2004 (21 years ago). It is based on the Clawhammer (2001−2005) architecture. It features 1 cores and 1 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 939. Thermal design power (TDP): 104 Watt. Memory support: DDR1 Depends on motherboard. Passmark benchmark score: 690 points. Launch price was $180.

Celeron 1047UE
The Celeron 1047UE is manufactured by Intel. It was released in 20 January 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Max frequency: 1.4 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 512 kB + 2 MB. Memory support: DDR3. Passmark benchmark score: 675 points. Launch price was $134.
Processing Power
The Athlon 64 FX-55 packs 1 cores / 1 threads, while the Celeron 1047UE offers 2 cores / 2 threads — the Celeron 1047UE has 1 more core. Boost clocks reach 2.6 GHz on the Athlon 64 FX-55 versus 1.4 GHz on the Celeron 1047UE — a 60% clock advantage for the Athlon 64 FX-55. The Athlon 64 FX-55 uses the Clawhammer (2001−2005) architecture (130 nm), while the Celeron 1047UE uses Ivy Bridge (2012−2013) (22 nm). In PassMark, the Athlon 64 FX-55 scores 690 against the Celeron 1047UE's 675 — a 2.2% lead for the Athlon 64 FX-55. L3 cache: 0 kB on the Athlon 64 FX-55 vs 2 MB (total) on the Celeron 1047UE.
| Feature | Athlon 64 FX-55 | Celeron 1047UE |
|---|---|---|
| Cores / Threads | 1 / 1 | 2 / 2+100% |
| Boost Clock | 2.6 GHz+86% | 1.4 GHz |
| Base Clock | 2.6 GHz | — |
| L3 Cache | 0 kB | 2 MB (total) |
| L2 Cache | 1 MB+300% | 256K (per core) |
| Process | 130 nm | 22 nm-83% |
| Architecture | Clawhammer (2001−2005) | Ivy Bridge (2012−2013) |
| PassMark | 690+2% | 675 |
| Geekbench 6 Single | — | 159 |
| Geekbench 6 Multi | — | 293 |
Memory & Platform
The Athlon 64 FX-55 uses the 939 socket (PCIe 1.1), while the Celeron 1047UE uses BGA1023 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR1-400 on the Athlon 64 FX-55 versus DDR3-1600 on the Celeron 1047UE — the Celeron 1047UE supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 1047UE supports up to 16 GB of RAM compared to 4 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon 64 FX-55) vs 16 (Celeron 1047UE) — the Celeron 1047UE offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: nForce3,nForce4,Xpress 200 (Athlon 64 FX-55) and BGA1023 (Celeron 1047UE).
| Feature | Athlon 64 FX-55 | Celeron 1047UE |
|---|---|---|
| Socket | 939 | BGA1023 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR1-400 | DDR3-1600+200% |
| Max RAM Capacity | 4 GB | 16 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Athlon 64 FX-55) / VT-x (Celeron 1047UE). The Celeron 1047UE includes integrated graphics (Intel HD Graphics (Ivy Bridge)), while the Athlon 64 FX-55 requires a dedicated GPU.
| Feature | Athlon 64 FX-55 | Celeron 1047UE |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel HD Graphics (Ivy Bridge) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
Value Analysis
The Athlon 64 FX-55 launched at $827 MSRP, while the Celeron 1047UE debuted at $100. At current prices ($50 vs $100), the Athlon 64 FX-55 is $50 cheaper. In terms of value (PassMark points per dollar), the Athlon 64 FX-55 delivers 13.8 pts/$ vs 6.8 pts/$ for the Celeron 1047UE — making the Athlon 64 FX-55 the 68.6% better value option.
| Feature | Athlon 64 FX-55 | Celeron 1047UE |
|---|---|---|
| MSRP | $827 | $100-88% |
| Avg Price (30d) | $50-50% | $100 |
| Performance per Dollar | 13.8+103% | 6.8 |
| Release Date | 2004 | 2013 |
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