CPU
GPU
Celeron J4025
Celeron 3955U
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 J4025 is positioned at rank 537 and the Celeron 3955U is on rank 616, so the Celeron J4025 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron J4025
Performance Per Dollar Celeron 3955U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron J4025 | Celeron 3955U |
|---|---|---|
| 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 (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Celeron J4025 | Celeron 3955U |
|---|---|---|
| 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.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Technical Specifications
Side-by-side comparison of Celeron J4025 and Celeron 3955U
Celeron J4025
The Celeron J4025 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 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2.9 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: 1,450 points. Launch price was $107.
Celeron 3955U
The Celeron 3955U is manufactured by Intel. It was released in 15 August 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR4-1866/2133, LPDDR3-1600/1866, DDR3L-1333/1600. Passmark benchmark score: 1,443 points. Launch price was $107.
Processing Power
Both the Celeron J4025 and Celeron 3955U share an identical 2-core/2-thread configuration. Boost clocks reach 2.9 GHz on the Celeron J4025 versus 2 GHz on the Celeron 3955U — a 36.7% clock advantage for the Celeron J4025 (base: 2 GHz vs 2 GHz). The Celeron J4025 uses the Gemini Lake Refresh (2019) architecture (14 nm), while the Celeron 3955U uses Skylake (2015−2016) (14 nm). In PassMark, the Celeron J4025 scores 1,450 against the Celeron 3955U's 1,443 — a 0.5% lead for the Celeron J4025. L3 cache: 4 MB on the Celeron J4025 vs 2 MB on the Celeron 3955U.
| Feature | Celeron J4025 | Celeron 3955U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.9 GHz+45% | 2 GHz |
| Base Clock | 2 GHz | 2 GHz |
| L3 Cache | 4 MB+100% | 2 MB |
| L2 Cache | 4 MB (total)+700% | 512 kB |
| Process | 14 nm | 14 nm |
| Architecture | Gemini Lake Refresh (2019) | Skylake (2015−2016) |
| PassMark | 1,450 | 1,443 |
| Geekbench 6 Single | — | 431 |
| Geekbench 6 Multi | — | 741 |
Memory & Platform
The Celeron J4025 uses the FCBGA1090 socket (PCIe 3.0), while the Celeron 3955U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 2400 on the Celeron J4025 versus DDR4-2133 on the Celeron 3955U — the Celeron J4025 supports 199.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 3955U supports up to 32 GB of RAM compared to 8 — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 6 (Celeron J4025) vs 12 (Celeron 3955U) — the Celeron 3955U offers 6 more lanes for additional GPUs or NVMe drives. Chipset compatibility: BGA1090 (Celeron J4025) and Sunrise Point-LP (Celeron 3955U).
| Feature | Celeron J4025 | Celeron 3955U |
|---|---|---|
| Socket | FCBGA1090 | BGA1356 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | 2400+59900% | DDR4-2133 |
| Max RAM Capacity | 8 | 32 GB+419430300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 6 | 12+100% |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Celeron J4025) vs VT-x, VT-d (Celeron 3955U). Both include integrated graphics — Intel UHD Graphics 600 (Celeron J4025) and HD Graphics 510 (Celeron 3955U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 3955U targets Budget. Direct competitor: Celeron J4025 rivals Ryzen Embedded R1102G; Celeron 3955U rivals Pentium 3825U.
| Feature | Celeron J4025 | Celeron 3955U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics 600 | HD Graphics 510 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
| Target Use | — | Budget |
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