A6-4455M vs Athlon X2 QL-66
A6-4455M
Athlon X2 QL-66
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 A6-4455M is positioned at rank 731 and the Athlon X2 QL-66 is on rank 1048, so the A6-4455M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A6-4455M
Performance Per Dollar Athlon X2 QL-66
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6-4455M | Athlon X2 QL-66 |
|---|---|---|
| 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 (Trinity (2012−2013) / 32 nm) | 🛑 Legacy (Lion (2008−2009) / 65 nm) |
💎 Value Proposition
| Insight | A6-4455M | Athlon X2 QL-66 |
|---|---|---|
| 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 A6-4455M and Athlon X2 QL-66
A6-4455M
The A6-4455M is manufactured by AMD. It was released in 2014-01-01. It is based on the Trinity (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.1 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 2 MB (total). Built on 32 nm process technology. Socket: FP2. Thermal design power (TDP): 17 Watt. Memory support: unknown Dual-channel. Passmark benchmark score: 1,689 points. Launch price was $70.
Athlon X2 QL-66
The Athlon X2 QL-66 is manufactured by AMD. It was released in 2009-01-01. It is based on the Lion (2008−2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: S1g2. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,695 points. Launch price was $149.
Processing Power
Both the A6-4455M and Athlon X2 QL-66 share an identical 2-core/2-thread configuration. Boost clocks reach 2.6 GHz on the A6-4455M versus 2.2 GHz on the Athlon X2 QL-66 — a 16.7% clock advantage for the A6-4455M. The A6-4455M uses the Trinity (2012−2013) architecture (32 nm), while the Athlon X2 QL-66 uses Lion (2008−2009) (65 nm). In PassMark, the A6-4455M scores 1,689 against the Athlon X2 QL-66's 1,695 — a 0.4% lead for the Athlon X2 QL-66.
| Feature | A6-4455M | Athlon X2 QL-66 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.6 GHz+18% | 2.2 GHz |
| Base Clock | 2.1 GHz | — |
| L3 Cache | 0 kB | — |
| L2 Cache | 2 MB (total)+100% | 1 MB |
| Process | 32 nm-51% | 65 nm |
| Architecture | Trinity (2012−2013) | Lion (2008−2009) |
| PassMark | 1,689 | 1,695 |
| Geekbench 6 Single | 253 | — |
Memory & Platform
The A6-4455M uses the FP2 socket (PCIe 2.0), while the Athlon X2 QL-66 uses S1g2 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the A6-4455M versus DDR2-667 on the Athlon X2 QL-66 — the A6-4455M supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (A6-4455M) vs 0 (Athlon X2 QL-66) — the A6-4455M offers 16 more lanes for additional GPUs or NVMe drives.
| Feature | A6-4455M | Athlon X2 QL-66 |
|---|---|---|
| Socket | FP2 | S1g2 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333+50% | DDR2-667 |
| Max RAM Capacity | 8 GB | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Virtualization: AMD-V (A6-4455M) / not specified (Athlon X2 QL-66). The A6-4455M includes integrated graphics (Radeon HD 7500G), while the Athlon X2 QL-66 requires a dedicated GPU. Primary use case: A6-4455M targets Thin and Light Laptop. Direct competitor: A6-4455M rivals Pentium 987.
| Feature | A6-4455M | Athlon X2 QL-66 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon HD 7500G | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Thin and Light Laptop | — |
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