CPU
GPU
Opteron 148
Celeron U3400
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 Opteron 148 is positioned at rank 754 and the Celeron U3400 is on rank 1172, so the Opteron 148 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Opteron 148
Performance Per Dollar Celeron U3400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 148 | Celeron U3400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
| Longevity | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) | 🛑 Legacy (Westmere (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Opteron 148 | Celeron U3400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
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 Opteron 148 and Celeron U3400
Opteron 148
The Opteron 148 is manufactured by AMD. It was released in 2015-01-01. It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 939. Thermal design power (TDP): 85 Watt. Memory support: DDR1. Passmark benchmark score: 548 points. Launch price was $800.
Celeron U3400
The Celeron U3400 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 1.06 GHz, with boost up to 0.07 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: 575 points. Launch price was $69.
Processing Power
The Opteron 148 packs 1 cores / 1 threads, while the Celeron U3400 offers 2 cores / 2 threads — the Celeron U3400 has 1 more core. Boost clocks reach 2.2 GHz on the Opteron 148 versus 0.07 GHz on the Celeron U3400 — a 187.7% clock advantage for the Opteron 148 (base: 2.2 GHz vs 1.06 GHz). The Opteron 148 uses the SledgeHammer (2003−2005) architecture (130 nm), while the Celeron U3400 uses Westmere (2010−2011) (32 nm). In PassMark, the Opteron 148 scores 548 against the Celeron U3400's 575 — a 4.8% lead for the Celeron U3400. L3 cache: 0 kB on the Opteron 148 vs 2 MB on the Celeron U3400.
| Feature | Opteron 148 | Celeron U3400 |
|---|---|---|
| Cores / Threads | 1 / 1 | 2 / 2+100% |
| Boost Clock | 2.2 GHz+3043% | 0.07 GHz |
| Base Clock | 2.2 GHz+108% | 1.06 GHz |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 1 MB+100% | 512 kB |
| Process | 130 nm | 32 nm-75% |
| Architecture | SledgeHammer (2003−2005) | Westmere (2010−2011) |
| PassMark | 548 | 575+5% |
Memory & Platform
The Opteron 148 uses the 939 socket (PCIe 2.0), while the Celeron U3400 uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Opteron 148 | Celeron U3400 |
|---|---|---|
| Socket | 939 | BGA1288 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
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