CPU
GPU
Athlon X2 QL-66
Celeron 4305UE
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 X2 QL-66 is positioned at rank 1048 and the Celeron 4305UE is on rank 960, so the Celeron 4305UE offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon X2 QL-66
Performance Per Dollar Celeron 4305UE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon X2 QL-66 | Celeron 4305UE |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($5) | ⚠️ Higher cost ($107) |
| Longevity | 🛑 Legacy (Lion (2008−2009) / 65 nm) | ✨ Modern (Whiskey Lake-U (2018−2019) / 10 nm) |
💎 Value Proposition
| Insight | Athlon X2 QL-66 | Celeron 4305UE |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+2035%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($5) | ⚠️ Higher cost ($107) |
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 X2 QL-66 and Celeron 4305UE
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.
Celeron 4305UE
The Celeron 4305UE is manufactured by Intel. It was released in 1 October 2018 (7 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 2 threads. Max frequency: 2 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 10 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,699 points. Launch price was $107.
Processing Power
Both the Athlon X2 QL-66 and Celeron 4305UE share an identical 2-core/2-thread configuration. Boost clocks reach 2.2 GHz on the Athlon X2 QL-66 versus 2 GHz on the Celeron 4305UE — a 9.5% clock advantage for the Athlon X2 QL-66. The Athlon X2 QL-66 uses the Lion (2008−2009) architecture (65 nm), while the Celeron 4305UE uses Whiskey Lake-U (2018−2019) (10 nm). In PassMark, the Athlon X2 QL-66 scores 1,695 against the Celeron 4305UE's 1,699 — a 0.2% lead for the Celeron 4305UE.
| Feature | Athlon X2 QL-66 | Celeron 4305UE |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.2 GHz+10% | 2 GHz |
| L3 Cache | — | 2 MB (total) |
| L2 Cache | 1 MB+300% | 256 kB (per core) |
| Process | 65 nm | 10 nm-85% |
| Architecture | Lion (2008−2009) | Whiskey Lake-U (2018−2019) |
| PassMark | 1,695 | 1,699 |
| Geekbench 6 Single | — | 670 |
| Geekbench 6 Multi | — | 1,065 |
Memory & Platform
The Athlon X2 QL-66 uses the S1g2 socket (PCIe 2.0), while the Celeron 4305UE uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Athlon X2 QL-66 versus DDR4-2133 on the Celeron 4305UE — the Celeron 4305UE supports 66.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 4305UE supports up to 64 GB of RAM compared to 8 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon X2 QL-66) vs 16 (Celeron 4305UE) — the Celeron 4305UE offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD S1 (Athlon X2 QL-66) and Whiskey Lake (Celeron 4305UE).
| Feature | Athlon X2 QL-66 | Celeron 4305UE |
|---|---|---|
| Socket | S1g2 | FCBGA1528 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR2-667 | DDR4-2133+100% |
| Max RAM Capacity | 8 GB | 64 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Athlon X2 QL-66) / VT-x, VT-d, EPT (Celeron 4305UE). The Celeron 4305UE includes integrated graphics (UHD Graphics 610), while the Athlon X2 QL-66 requires a dedicated GPU. Primary use case: Celeron 4305UE targets Budget. Direct competitor: Celeron 4305UE rivals Athlon Silver 3050GE.
| Feature | Athlon X2 QL-66 | Celeron 4305UE |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | UHD Graphics 610 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Budget |
Value Analysis
The Athlon X2 QL-66 launched at $150 MSRP, while the Celeron 4305UE debuted at $107. At current prices ($5 vs $107), the Athlon X2 QL-66 is $102 cheaper. In terms of value (PassMark points per dollar), the Athlon X2 QL-66 delivers 339.0 pts/$ vs 15.9 pts/$ for the Celeron 4305UE — making the Athlon X2 QL-66 the 182.1% better value option.
| Feature | Athlon X2 QL-66 | Celeron 4305UE |
|---|---|---|
| MSRP | $150 | $107-29% |
| Avg Price (30d) | $5-95% | $107 |
| Performance per Dollar | 339.0+2032% | 15.9 |
| Release Date | 2009 | 2018 |
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