CPU
GPU
Celeron G1820
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 Celeron G1820 is positioned at rank 895 and the Athlon X2 QL-66 is on rank 1048, so the Celeron G1820 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron G1820
Performance Per Dollar Athlon X2 QL-66
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron G1820 | Athlon X2 QL-66 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($5) |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Lion (2008−2009) / 65 nm) |
💎 Value Proposition
| Insight | Celeron G1820 | Athlon X2 QL-66 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+200%) |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 Celeron G1820 and Athlon X2 QL-66
Celeron G1820
The Celeron G1820 is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 2 MB. L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 53 Watt. Memory support: DDR3. Passmark benchmark score: 1,696 points. Launch price was $110.
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 Celeron G1820 and Athlon X2 QL-66 share an identical 2-core/2-thread configuration. Boost clocks reach 2.7 GHz on the Celeron G1820 versus 2.2 GHz on the Athlon X2 QL-66 — a 20.4% clock advantage for the Celeron G1820. The Celeron G1820 uses the Haswell (2013−2015) architecture (22 nm), while the Athlon X2 QL-66 uses Lion (2008−2009) (65 nm). In PassMark, the Celeron G1820 scores 1,696 against the Athlon X2 QL-66's 1,695 — a 0.1% lead for the Celeron G1820.
| Feature | Celeron G1820 | Athlon X2 QL-66 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.7 GHz+23% | 2.2 GHz |
| Base Clock | 2.7 GHz | — |
| L3 Cache | 2 MB | — |
| L2 Cache | 256 kB (per core) | 1 MB+300% |
| Process | 22 nm-66% | 65 nm |
| Architecture | Haswell (2013−2015) | Lion (2008−2009) |
| PassMark | 1,696 | 1,695 |
| Geekbench 6 Single | 496 | — |
| Geekbench 6 Multi | 910 | — |
Memory & Platform
The Celeron G1820 uses the LGA1150 socket (PCIe 3.0), 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 Celeron G1820 versus DDR2-667 on the Athlon X2 QL-66 — the Celeron G1820 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron G1820 supports up to 32 GB of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Celeron G1820) vs 0 (Athlon X2 QL-66) — the Celeron G1820 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H81,B85,H87,Z87,H97,Z97 (Celeron G1820) and AMD S1 (Athlon X2 QL-66).
| Feature | Celeron G1820 | Athlon X2 QL-66 |
|---|---|---|
| Socket | LGA1150 | S1g2 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3-1333+50% | DDR2-667 |
| Max RAM Capacity | 32 GB+300% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Virtualization: VT-x (Celeron G1820) / not specified (Athlon X2 QL-66). The Celeron G1820 includes integrated graphics (HD Graphics (Haswell)), while the Athlon X2 QL-66 requires a dedicated GPU. Primary use case: Celeron G1820 targets Budget. Direct competitor: Celeron G1820 rivals Pentium G3220.
| Feature | Celeron G1820 | Athlon X2 QL-66 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | HD Graphics (Haswell) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget | — |
Value Analysis
The Celeron G1820 launched at $110 MSRP, while the Athlon X2 QL-66 debuted at $150. At current prices ($15 vs $5), the Athlon X2 QL-66 is $10 cheaper. In terms of value (PassMark points per dollar), the Celeron G1820 delivers 113.1 pts/$ vs 339.0 pts/$ for the Athlon X2 QL-66 — making the Athlon X2 QL-66 the 100% better value option.
| Feature | Celeron G1820 | Athlon X2 QL-66 |
|---|---|---|
| MSRP | $110-27% | $150 |
| Avg Price (30d) | $15 | $5-67% |
| Performance per Dollar | 113.1 | 339.0+200% |
| Release Date | 2013 | 2009 |
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