
A8-3820 vs Core 2 Quad Q9505

A8-3820

Core 2 Quad Q9505
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 A8-3820 is positioned at rank 1032 and the Core 2 Quad Q9505 is on rank 993, so the Core 2 Quad Q9505 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A8-3820
Performance Per Dollar Core 2 Quad Q9505
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A8-3820 | Core 2 Quad Q9505 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($200) | ✅ More affordable ($150) |
| Longevity | 🛑 Legacy (Llano (2011−2012) / 32 nm) | 🛑 Legacy (Yorkfield (2007−2009) / 45 nm) |
💎 Value Proposition
| Insight | A8-3820 | Core 2 Quad Q9505 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+33%) |
| Upfront Cost | ⚠️ Higher cost ($200) | ✅ More affordable ($150) |
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 A8-3820 and Core 2 Quad Q9505

A8-3820
The A8-3820 is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,178 points. Launch price was $90.

Core 2 Quad Q9505
The Core 2 Quad Q9505 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yorkfield (2007−2009) architecture. It features 4 cores and 4 threads. Base frequency is 2.83 GHz, with boost up to 0.83 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 95 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 2,176 points. Launch price was $249.
Processing Power
Both the A8-3820 and Core 2 Quad Q9505 share an identical 4-core/4-thread configuration. Boost clocks reach 2.8 GHz on the A8-3820 versus 0.83 GHz on the Core 2 Quad Q9505 — a 108.5% clock advantage for the A8-3820 (base: 2.5 GHz vs 2.83 GHz). The A8-3820 uses the Llano (2011−2012) architecture (32 nm), while the Core 2 Quad Q9505 uses Yorkfield (2007−2009) (45 nm). In PassMark, the A8-3820 scores 2,178 against the Core 2 Quad Q9505's 2,176 — a 0.1% lead for the A8-3820. L3 cache: 0 kB on the A8-3820 vs 6 MB L2 Cache on the Core 2 Quad Q9505.
| Feature | A8-3820 | Core 2 Quad Q9505 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2.8 GHz+237% | 0.83 GHz |
| Base Clock | 2.5 GHz | 2.83 GHz+13% |
| L3 Cache | 0 kB | 6 MB L2 Cache |
| L2 Cache | 1 MB (per core) | 6 MB (total)+500% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Llano (2011−2012) | Yorkfield (2007−2009) |
| PassMark | 2,178 | 2,176 |
| Geekbench 6 Single | 354 | — |
Memory & Platform
The A8-3820 uses the FM1 socket (PCIe 2.0), while the Core 2 Quad Q9505 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Both support up to DDR3-1866 memory speed. The A8-3820 supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (A8-3820) vs 0 (Core 2 Quad Q9505) — the A8-3820 offers 20 more lanes for additional GPUs or NVMe drives.
| Feature | A8-3820 | Core 2 Quad Q9505 |
|---|---|---|
| Socket | FM1 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1866 | DDR3-1333 |
| Max RAM Capacity | 32 GB+100% | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 20 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (A8-3820) vs VT-x (Core 2 Quad Q9505). The A8-3820 includes integrated graphics (Radeon HD 6550D), while the Core 2 Quad Q9505 requires a dedicated GPU. Primary use case: A8-3820 targets Budget Desktop, Core 2 Quad Q9505 targets Desktop. Direct competitor: A8-3820 rivals Core i3-2120.
| Feature | A8-3820 | Core 2 Quad Q9505 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon HD 6550D | — |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x |
| Target Use | Budget Desktop | Desktop |
Value Analysis
The A8-3820 launched at $280 MSRP, while the Core 2 Quad Q9505 debuted at $213. At current prices ($200 vs $150), the Core 2 Quad Q9505 is $50 cheaper. In terms of value (PassMark points per dollar), the A8-3820 delivers 10.9 pts/$ vs 14.5 pts/$ for the Core 2 Quad Q9505 — making the Core 2 Quad Q9505 the 28.5% better value option.
| Feature | A8-3820 | Core 2 Quad Q9505 |
|---|---|---|
| MSRP | $280 | $213-24% |
| Avg Price (30d) | $200 | $150-25% |
| Performance per Dollar | 10.9 | 14.5+33% |
| Release Date | 2011 | 2009 |
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