
Athlon II X2 255 vs Pentium E6700

Athlon II X2 255

Pentium E6700
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 II X2 255 is positioned at rank 793 and the Pentium E6700 is on rank 915, so the Athlon II X2 255 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X2 255
Performance Per Dollar Pentium E6700
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X2 255 | Pentium E6700 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($5) |
| Longevity | 🛑 Legacy (Regor (2009−2013) / 45 nm) | 🛑 Legacy (Wolfdale (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Athlon II X2 255 | Pentium E6700 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+101%) |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ More affordable ($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 Athlon II X2 255 and Pentium E6700

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.

Pentium E6700
The Pentium E6700 is manufactured by Intel. It was released in 30 May 2010 (15 years ago). It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,219 points. Launch price was $80.
Processing Power
Both the Athlon II X2 255 and Pentium E6700 share an identical 2-core/2-thread configuration. Boost clocks reach 3.1 GHz on the Athlon II X2 255 versus 3.2 GHz on the Pentium E6700 — a 3.2% clock advantage for the Pentium E6700 (base: 3.1 GHz vs 3.2 GHz). The Athlon II X2 255 uses the Regor (2009−2013) architecture (45 nm), while the Pentium E6700 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Athlon II X2 255 scores 1,210 against the Pentium E6700's 1,219 — a 0.7% lead for the Pentium E6700. Both processors carry 0 kB of L3 cache.
| Feature | Athlon II X2 255 | Pentium E6700 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.1 GHz | 3.2 GHz+3% |
| Base Clock | 3.1 GHz | 3.2 GHz+3% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB | 2 MB (total)+100% |
| Process | 45 nm | 45 nm |
| Architecture | Regor (2009−2013) | Wolfdale (2008−2010) |
| PassMark | 1,210 | 1,219 |
| Geekbench 6 Single | 265 | — |
| Geekbench 6 Multi | 500 | — |
Memory & Platform
The Athlon II X2 255 uses the AM3 socket (PCIe 2.0), while the Pentium E6700 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Both support up to DDR3-1333 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. Both provide 0 PCIe lanes.
| Feature | Athlon II X2 255 | Pentium E6700 |
|---|---|---|
| Socket | AM3 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333 | DDR3-1066 |
| Max RAM Capacity | 16 GB+100% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (Athlon II X2 255) vs VT-x (Pentium E6700). Primary use case: Athlon II X2 255 targets Legacy Desktop, Pentium E6700 targets Desktop. Direct competitor: Athlon II X2 255 rivals Pentium E5700.
| Feature | Athlon II X2 255 | Pentium E6700 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x |
| Target Use | Legacy Desktop | Desktop |
Value Analysis
The Athlon II X2 255 launched at $60 MSRP, while the Pentium E6700 debuted at $86. At current prices ($10 vs $5), the Pentium E6700 is $5 cheaper. In terms of value (PassMark points per dollar), the Athlon II X2 255 delivers 121.0 pts/$ vs 243.8 pts/$ for the Pentium E6700 — making the Pentium E6700 the 67.3% better value option.
| Feature | Athlon II X2 255 | Pentium E6700 |
|---|---|---|
| MSRP | $60-30% | $86 |
| Avg Price (30d) | $10 | $5-50% |
| Performance per Dollar | 121.0 | 243.8+101% |
| Release Date | 2010 | 2010 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















