Pentium M 745 vs Opteron 142
Pentium M 745
Opteron 142
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 Pentium M 745 is positioned at rank 820 and the Opteron 142 is on rank 1025, so the Pentium M 745 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium M 745
Performance Per Dollar Opteron 142
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium M 745 | Opteron 142 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Dothan (2004−2005) / 90 nm) | 🛑 Legacy (SledgeHammer (2003−2005) / 130 nm) |
💎 Value Proposition
| Insight | Pentium M 745 | Opteron 142 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
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 Pentium M 745 and Opteron 142
Pentium M 745
The Pentium M 745 is manufactured by Intel. It was released in 2007-01-01. It is based on the Dothan (2004−2005) architecture. It features 1 cores and 1 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 90 nm process technology. Socket: PGA478. Thermal design power (TDP): 7.5 Watt. Memory support: DDR2. Passmark benchmark score: 465 points. Launch price was $69.
Opteron 142
The Opteron 142 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. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 85 Watt. Passmark benchmark score: 445 points. Launch price was $800.
Processing Power
Both the Pentium M 745 and Opteron 142 share an identical 1-core/1-thread configuration. Boost clocks reach 1.8 GHz on the Pentium M 745 versus 1.6 GHz on the Opteron 142 — a 11.8% clock advantage for the Pentium M 745. The Pentium M 745 uses the Dothan (2004−2005) architecture (90 nm), while the Opteron 142 uses SledgeHammer (2003−2005) (130 nm). In PassMark, the Pentium M 745 scores 465 against the Opteron 142's 445 — a 4.4% lead for the Pentium M 745. Both processors carry 0 kB of L3 cache.
| Feature | Pentium M 745 | Opteron 142 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.8 GHz+12% | 1.6 GHz |
| Base Clock | 1.8 GHz | — |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 2 MB+100% | 1 MB |
| Process | 90 nm-31% | 130 nm |
| Architecture | Dothan (2004−2005) | SledgeHammer (2003−2005) |
| PassMark | 465+4% | 445 |
| Geekbench 6 Single | 100 | — |
| Geekbench 6 Multi | 100 | — |
Memory & Platform
The Pentium M 745 uses the PGA478 socket (PCIe 1.1), while the Opteron 142 uses 940 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2 on the Pentium M 745 versus DDR-333 on the Opteron 142 — the Pentium M 745 supports -202.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Opteron 142 supports up to 8 GB of RAM compared to 2 GB — 120% more capacity for professional workloads. Memory channels: 1 (Pentium M 745) vs 2 (Opteron 142). Both provide 0 PCIe lanes.
| Feature | Pentium M 745 | Opteron 142 |
|---|---|---|
| Socket | PGA478 | 940 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2 | DDR-333 |
| Max RAM Capacity | 2 GB | 8 GB+300% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization support: false (Pentium M 745) vs AMD-V (Opteron 142). Primary use case: Opteron 142 targets Server.
| Feature | Pentium M 745 | Opteron 142 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | false | AMD-V |
| Target Use | — | Server |
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