Celeron J4125 vs Core 2 Duo P9500
Celeron J4125
Core 2 Duo P9500
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Core 2 Duo P9500
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron J4125 | Core 2 Duo P9500 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Gemini Lake Refresh (2019) / 14 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | Celeron J4125 | Core 2 Duo P9500 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 J4125 and Core 2 Duo P9500
Celeron J4125
The Celeron J4125 is manufactured by Intel. It was released in 4 November 2019 (6 years ago). It is based on the Gemini Lake Refresh (2019) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2.7 GHz. L3 cache: 4 MB. L2 cache: 4 MB (total). Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 2,936 points. Launch price was $107.
Core 2 Duo P9500
The Core 2 Duo P9500 is manufactured by Intel. It was released in 15 July 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.53 GHz, with boost up to 2.53 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,901 points. Launch price was $348.
Processing Power
The Celeron J4125 packs 4 cores / 4 threads, while the Core 2 Duo P9500 offers 2 cores / 2 threads — the Celeron J4125 has 2 more cores. Boost clocks reach 2.7 GHz on the Celeron J4125 versus 2.53 GHz on the Core 2 Duo P9500 — a 6.5% clock advantage for the Celeron J4125 (base: 2 GHz vs 2.53 GHz). The Celeron J4125 uses the Gemini Lake Refresh (2019) architecture (14 nm), while the Core 2 Duo P9500 uses Penryn (2008−2011) (45 nm). In PassMark, the Celeron J4125 scores 2,936 against the Core 2 Duo P9500's 2,901 — a 1.2% lead for the Celeron J4125. L3 cache: 4 MB on the Celeron J4125 vs 6 MB L2 Cache on the Core 2 Duo P9500.
| Feature | Celeron J4125 | Core 2 Duo P9500 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.7 GHz+7% | 2.53 GHz |
| Base Clock | 2 GHz | 2.53 GHz+26% |
| L3 Cache | 4 MB | 6 MB L2 Cache+50% |
| L2 Cache | 4 MB (total) | 6 MB+50% |
| Process | 14 nm-69% | 45 nm |
| Architecture | Gemini Lake Refresh (2019) | Penryn (2008−2011) |
| PassMark | 2,936+1% | 2,901 |
| Geekbench 6 Single | — | 340 |
| Geekbench 6 Multi | — | 650 |
Memory & Platform
The Celeron J4125 uses the FCBGA1090 socket (PCIe 3.0), while the Core 2 Duo P9500 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches 2400 on the Celeron J4125 versus DDR3-1066 on the Core 2 Duo P9500 — the Celeron J4125 supports 199.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 of RAM. Both feature 2-channel memory with ECC support. Chipset compatibility: BGA1090 (Celeron J4125) and PM45,GM45 (Core 2 Duo P9500).
| Feature | Celeron J4125 | Core 2 Duo P9500 |
|---|---|---|
| Socket | FCBGA1090 | PGA478 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | 2400+79900% | DDR3-1066 |
| Max RAM Capacity | 8 | 8 GB+104857500% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 6 | — |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Celeron J4125) vs VT-x (Core 2 Duo P9500). The Celeron J4125 includes integrated graphics (Intel UHD Graphics 600), while the Core 2 Duo P9500 requires a dedicated GPU. Primary use case: Core 2 Duo P9500 targets Budget. Direct competitor: Celeron J4125 rivals Ryzen Embedded R1305G; Core 2 Duo P9500 rivals Athlon II X2 245e.
| Feature | Celeron J4125 | Core 2 Duo P9500 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 600 | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x |
| Target Use | — | Budget |
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