
Celeron 3955U vs Celeron J4025

Celeron 3955U

Celeron J4025
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 3955U is positioned at rank 616 and the Celeron J4025 is on rank 537, 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 3955U
Performance Per Dollar Celeron J4025
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3955U | Celeron J4025 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | ✨ Modern (Gemini Lake Refresh (2019) / 14 nm) |
💎 Value Proposition
| Insight | Celeron 3955U | Celeron J4025 |
|---|---|---|
| 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 3955U and Celeron J4025

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.

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.
Processing Power
Both the Celeron 3955U and Celeron J4025 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Celeron 3955U versus 2.9 GHz on the Celeron J4025 — a 36.7% clock advantage for the Celeron J4025 (base: 2 GHz vs 2 GHz). The Celeron 3955U uses the Skylake (2015−2016) architecture (14 nm), while the Celeron J4025 uses Gemini Lake Refresh (2019) (14 nm). In PassMark, the Celeron 3955U scores 1,443 against the Celeron J4025's 1,450 — a 0.5% lead for the Celeron J4025. L3 cache: 2 MB on the Celeron 3955U vs 4 MB on the Celeron J4025.
| Feature | Celeron 3955U | Celeron J4025 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2 GHz | 2.9 GHz+45% |
| Base Clock | 2 GHz | 2 GHz |
| L3 Cache | 2 MB | 4 MB+100% |
| L2 Cache | 512 kB | 4 MB (total)+700% |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (2015−2016) | Gemini Lake Refresh (2019) |
| PassMark | 1,443 | 1,450 |
| Geekbench 6 Single | 431 | — |
| Geekbench 6 Multi | 741 | — |
Memory & Platform
The Celeron 3955U uses the BGA1356 socket (PCIe 3.0), while the Celeron J4025 uses FCBGA1090 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Celeron 3955U versus 2400 on the Celeron J4025 — 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: 12 (Celeron 3955U) vs 6 (Celeron J4025) — the Celeron 3955U offers 6 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Sunrise Point-LP (Celeron 3955U) and BGA1090 (Celeron J4025).
| Feature | Celeron 3955U | Celeron J4025 |
|---|---|---|
| Socket | BGA1356 | FCBGA1090 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2133 | 2400+59900% |
| Max RAM Capacity | 32 GB+419430300% | 8 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 12+100% | 6 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Celeron 3955U) vs true (Celeron J4025). Both include integrated graphics — HD Graphics 510 (Celeron 3955U) and Intel UHD Graphics 600 (Celeron J4025) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 3955U targets Budget. Direct competitor: Celeron 3955U rivals Pentium 3825U; Celeron J4025 rivals Ryzen Embedded R1102G.
| Feature | Celeron 3955U | Celeron J4025 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics 510 | Intel UHD Graphics 600 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | true |
| Target Use | Budget | — |
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