Celeron N2805 vs Celeron 3955U
Celeron N2805
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 N2805 is positioned at rank 250 and the Celeron 3955U is on rank 616, so the Celeron N2805 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron N2805
Performance Per Dollar Celeron 3955U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron N2805 | Celeron 3955U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Bay Trail-M (2013−2014) / 22 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Celeron N2805 | 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.
Technical Specifications
Side-by-side comparison of Celeron N2805 and Celeron 3955U
Celeron N2805
The Celeron N2805 is manufactured by Intel. It was released in 11 September 2013 (12 years ago). It is based on the Bay Trail-M (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 1.46 GHz, with boost up to 1.46 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 4.3 Watt. Memory support: DDR3. Passmark benchmark score: 1,430 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 N2805 and Celeron 3955U share an identical 2-core/2-thread configuration. Boost clocks reach 1.46 GHz on the Celeron N2805 versus 2 GHz on the Celeron 3955U — a 31.2% clock advantage for the Celeron 3955U (base: 1.46 GHz vs 2 GHz). The Celeron N2805 uses the Bay Trail-M (2013−2014) architecture (22 nm), while the Celeron 3955U uses Skylake (2015−2016) (14 nm). In PassMark, the Celeron N2805 scores 1,430 against the Celeron 3955U's 1,443 — a 0.9% lead for the Celeron 3955U. L3 cache: 0 kB on the Celeron N2805 vs 2 MB on the Celeron 3955U.
| Feature | Celeron N2805 | Celeron 3955U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.46 GHz | 2 GHz+37% |
| Base Clock | 1.46 GHz | 2 GHz+37% |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 512K (per core) | 512 kB |
| Process | 22 nm | 14 nm-36% |
| Architecture | Bay Trail-M (2013−2014) | Skylake (2015−2016) |
| PassMark | 1,430 | 1,443 |
| Geekbench 6 Single | — | 431 |
| Geekbench 6 Multi | — | 741 |
Memory & Platform
The Celeron N2805 uses the FCBGA1170 socket (PCIe 2.0), while the Celeron 3955U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Celeron N2805 versus DDR4-2133 on the Celeron 3955U — the Celeron N2805 supports 198.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Celeron 3955U supports up to 32 GB of RAM compared to 4 — 155.6% more capacity for professional workloads. Memory channels: 1 (Celeron N2805) vs 2 (Celeron 3955U). PCIe lanes: 4 (Celeron N2805) vs 12 (Celeron 3955U) — the Celeron 3955U offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FCBGA1170 (Celeron N2805) and Sunrise Point-LP (Celeron 3955U).
| Feature | Celeron N2805 | Celeron 3955U |
|---|---|---|
| Socket | FCBGA1170 | BGA1356 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | 1066+26550% | DDR4-2133 |
| Max RAM Capacity | 4 | 32 GB+838860700% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 4 | 12+200% |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Celeron N2805) vs VT-x, VT-d (Celeron 3955U). Both include integrated graphics — Intel HD Graphics (Bay Trail) (Celeron N2805) 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 N2805 rivals AMD E1-2100; Celeron 3955U rivals Pentium 3825U.
| Feature | Celeron N2805 | Celeron 3955U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics (Bay Trail) | HD Graphics 510 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
| Target Use | — | Budget |
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