
Celeron 4305UE vs Athlon X2 QL-66

Celeron 4305UE

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 4305UE is positioned at rank 960 and the Athlon X2 QL-66 is on rank 1048, 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 Celeron 4305UE
Performance Per Dollar Athlon X2 QL-66
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 4305UE | Athlon X2 QL-66 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($107) | ✅ More affordable ($5) |
| Longevity | ✨ Modern (Whiskey Lake-U (2018−2019) / 10 nm) | 🛑 Legacy (Lion (2008−2009) / 65 nm) |
💎 Value Proposition
| Insight | Celeron 4305UE | Athlon X2 QL-66 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+2035%) |
| Upfront Cost | ⚠️ Higher cost ($107) | ✅ 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 4305UE and Athlon X2 QL-66

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.

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 4305UE and Athlon X2 QL-66 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Celeron 4305UE versus 2.2 GHz on the Athlon X2 QL-66 — a 9.5% clock advantage for the Athlon X2 QL-66. The Celeron 4305UE uses the Whiskey Lake-U (2018−2019) architecture (10 nm), while the Athlon X2 QL-66 uses Lion (2008−2009) (65 nm). In PassMark, the Celeron 4305UE scores 1,699 against the Athlon X2 QL-66's 1,695 — a 0.2% lead for the Celeron 4305UE.
| Feature | Celeron 4305UE | Athlon X2 QL-66 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2 GHz | 2.2 GHz+10% |
| L3 Cache | 2 MB (total) | — |
| L2 Cache | 256 kB (per core) | 1 MB+300% |
| Process | 10 nm-85% | 65 nm |
| Architecture | Whiskey Lake-U (2018−2019) | Lion (2008−2009) |
| PassMark | 1,699 | 1,695 |
| Geekbench 6 Single | 670 | — |
| Geekbench 6 Multi | 1,065 | — |
Memory & Platform
The Celeron 4305UE uses the FCBGA1528 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 DDR4-2133 on the Celeron 4305UE versus DDR2-667 on the Athlon X2 QL-66 — 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: 16 (Celeron 4305UE) vs 0 (Athlon X2 QL-66) — the Celeron 4305UE offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Whiskey Lake (Celeron 4305UE) and AMD S1 (Athlon X2 QL-66).
| Feature | Celeron 4305UE | Athlon X2 QL-66 |
|---|---|---|
| Socket | FCBGA1528 | S1g2 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2133+100% | DDR2-667 |
| Max RAM Capacity | 64 GB+700% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Celeron 4305UE) / not specified (Athlon X2 QL-66). 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 | Celeron 4305UE | Athlon X2 QL-66 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD Graphics 610 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Budget | — |
Value Analysis
The Celeron 4305UE launched at $107 MSRP, while the Athlon X2 QL-66 debuted at $150. At current prices ($107 vs $5), the Athlon X2 QL-66 is $102 cheaper. In terms of value (PassMark points per dollar), the Celeron 4305UE delivers 15.9 pts/$ vs 339.0 pts/$ for the Athlon X2 QL-66 — making the Athlon X2 QL-66 the 182.1% better value option.
| Feature | Celeron 4305UE | Athlon X2 QL-66 |
|---|---|---|
| MSRP | $107-29% | $150 |
| Avg Price (30d) | $107 | $5-95% |
| Performance per Dollar | 15.9 | 339.0+2032% |
| Release Date | 2018 | 2009 |
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