Celeron M 575 vs Athlon II X3 455
Celeron M 575
Athlon II X3 455
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 M 575 is positioned at rank 827 and the Athlon II X3 455 is on rank 750, so the Athlon II X3 455 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron M 575
Performance Per Dollar Athlon II X3 455
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron M 575 | Athlon II X3 455 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($12) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Merom (2006−2008) / 65 nm) | 🛑 Legacy (Rana (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | Celeron M 575 | Athlon II X3 455 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+24%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($12) | ⚠️ Higher cost ($15) |
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 M 575 and Athlon II X3 455
Celeron M 575
The Celeron M 575 is manufactured by Intel. It was released in 1 June 2008 (17 years ago). It is based on the Merom (2006−2008) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,917 points. Launch price was $86.
Athlon II X3 455
The Athlon II X3 455 is manufactured by AMD. It was released in 7 December 2010 (14 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 3.3 GHz, with boost up to 3.3 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,938 points. Launch price was $88.
Processing Power
The Celeron M 575 packs 1 cores / 1 threads, while the Athlon II X3 455 offers 3 cores / 3 threads — the Athlon II X3 455 has 2 more cores. Boost clocks reach 2 GHz on the Celeron M 575 versus 3.3 GHz on the Athlon II X3 455 — a 49.1% clock advantage for the Athlon II X3 455. The Celeron M 575 uses the Merom (2006−2008) architecture (65 nm), while the Athlon II X3 455 uses Rana (2009−2011) (45 nm). In PassMark, the Celeron M 575 scores 1,917 against the Athlon II X3 455's 1,938 — a 1.1% lead for the Athlon II X3 455.
| Feature | Celeron M 575 | Athlon II X3 455 |
|---|---|---|
| Cores / Threads | 1 / 1 | 3 / 3+200% |
| Boost Clock | 2 GHz | 3.3 GHz+65% |
| Base Clock | — | 3.3 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 1 MB+100% | 512 kB (per core) |
| Process | 65 nm | 45 nm-31% |
| Architecture | Merom (2006−2008) | Rana (2009−2011) |
| PassMark | 1,917 | 1,938+1% |
Memory & Platform
The Celeron M 575 uses the PGA478 socket (PCIe 1.1), while the Athlon II X3 455 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 800 on the Celeron M 575 versus DDR3-1333 on the Athlon II X3 455 — the Celeron M 575 supports 198.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 455 supports up to 32 GB of RAM compared to 4 — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: GL40,GM45 (Celeron M 575) and AMD AM3 (Athlon II X3 455).
| Feature | Celeron M 575 | Athlon II X3 455 |
|---|---|---|
| Socket | PGA478 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | 800+26567% | DDR3-1333 |
| Max RAM Capacity | 4 | 32 GB+838860700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization: false (Celeron M 575) / not specified (Athlon II X3 455). Direct competitor: Celeron M 575 rivals Mobile Sempron SI-40.
| Feature | Celeron M 575 | Athlon II X3 455 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | false | — |
Value Analysis
The Celeron M 575 launched at $86 MSRP, while the Athlon II X3 455 debuted at $88. At current prices ($12 vs $15), the Celeron M 575 is $3 cheaper. In terms of value (PassMark points per dollar), the Celeron M 575 delivers 159.8 pts/$ vs 129.2 pts/$ for the Athlon II X3 455 — making the Celeron M 575 the 21.1% better value option.
| Feature | Celeron M 575 | Athlon II X3 455 |
|---|---|---|
| MSRP | $86-2% | $88 |
| Avg Price (30d) | $12-20% | $15 |
| Performance per Dollar | 159.8+24% | 129.2 |
| Release Date | 2008 | 2010 |
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