
Core i3-380M vs Athlon II X2 255

Core i3-380M

Athlon II X2 255
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 Core i3-380M is positioned at rank 11 and the Athlon II X2 255 is on rank 793, so the Core i3-380M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-380M
Performance Per Dollar Athlon II X2 255
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-380M | Athlon II X2 255 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($25) | ✅ More affordable ($10) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Regor (2009−2013) / 45 nm) |
💎 Value Proposition
| Insight | Core i3-380M | Athlon II X2 255 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+150%) |
| Upfront Cost | ⚠️ Higher cost ($25) | ✅ More affordable ($10) |
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 Core i3-380M and Athlon II X2 255

Core i3-380M
The Core i3-380M is manufactured by Intel. It was released in 26 October 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2.53 GHz, with boost up to 0.53 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,212 points. Launch price was $49.

Athlon II X2 255
The Athlon II X2 255 is manufactured by AMD. It was released in 25 January 2010 (15 years ago). It is based on the Regor (2009−2013) architecture. It features 2 cores and 2 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,210 points. Launch price was $60.
Processing Power
The Core i3-380M packs 2 cores / 4 threads, matching the Athlon II X2 255's 2 cores. Boost clocks reach 0.53 GHz on the Core i3-380M versus 3.1 GHz on the Athlon II X2 255 — a 141.6% clock advantage for the Athlon II X2 255 (base: 2.53 GHz vs 3.1 GHz). The Core i3-380M uses the Arrandale (2010−2011) architecture (32 nm), while the Athlon II X2 255 uses Regor (2009−2013) (45 nm). In PassMark, the Core i3-380M scores 1,212 against the Athlon II X2 255's 1,210 — a 0.2% lead for the Core i3-380M. Geekbench 6 single-core — the metric most relevant to gaming — records 450 vs 265, a 51.7% lead for the Core i3-380M that directly translates to higher frame rates. Multi-core Geekbench: 1,100 vs 500 (75% advantage for the Core i3-380M). L3 cache: 3 MB (total) on the Core i3-380M vs 0 kB on the Athlon II X2 255.
| Feature | Core i3-380M | Athlon II X2 255 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 0.53 GHz | 3.1 GHz+485% |
| Base Clock | 2.53 GHz | 3.1 GHz+23% |
| L3 Cache | 3 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 1 MB+300% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Arrandale (2010−2011) | Regor (2009−2013) |
| PassMark | 1,212 | 1,210 |
| Geekbench 6 Single | 450+70% | 265 |
| Geekbench 6 Multi | 1,100+120% | 500 |
Memory & Platform
The Core i3-380M uses the PGA988 socket (PCIe 2.0), while the Athlon II X2 255 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. The Athlon II X2 255 supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i3-380M) vs 0 (Athlon II X2 255) — the Core i3-380M offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM55,HM57,QM57 (Core i3-380M) and 760G,780G,785G,790GX,870,880G,890GX,890FX (Athlon II X2 255).
| Feature | Core i3-380M | Athlon II X2 255 |
|---|---|---|
| Socket | PGA988 | AM3 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1066 | DDR3-1333 |
| Max RAM Capacity | 8 GB | 16 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Core i3-380M) vs AMD-V (Athlon II X2 255). The Core i3-380M includes integrated graphics (Intel HD Graphics (Gen 1)), while the Athlon II X2 255 requires a dedicated GPU. Primary use case: Core i3-380M targets Legacy Laptop, Athlon II X2 255 targets Legacy Desktop. Direct competitor: Core i3-380M rivals AMD Athlon II P320; Athlon II X2 255 rivals Pentium E5700.
| Feature | Core i3-380M | Athlon II X2 255 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics (Gen 1) | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Legacy Laptop | Legacy Desktop |
Value Analysis
The Core i3-380M launched at $49 MSRP, while the Athlon II X2 255 debuted at $60. At current prices ($25 vs $10), the Athlon II X2 255 is $15 cheaper. In terms of value (PassMark points per dollar), the Core i3-380M delivers 48.5 pts/$ vs 121.0 pts/$ for the Athlon II X2 255 — making the Athlon II X2 255 the 85.6% better value option.
| Feature | Core i3-380M | Athlon II X2 255 |
|---|---|---|
| MSRP | $49-18% | $60 |
| Avg Price (30d) | $25 | $10-60% |
| Performance per Dollar | 48.5 | 121.0+149% |
| Release Date | 2010 | 2010 |
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