
Celeron 3955U vs Celeron 3867U

Celeron 3955U

Celeron 3867U
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 3867U is on rank 132, so the Celeron 3867U 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 3867U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 3955U | Celeron 3867U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower 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 (Kaby Lake (2016−2019) / 14 nm) |
💎 Value Proposition
| Insight | Celeron 3955U | Celeron 3867U |
|---|---|---|
| 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 3867U

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 3867U
The Celeron 3867U is manufactured by Intel. It was released in 1 March 2019 (6 years ago). It is based on the Kaby Lake (2016−2019) architecture. It features 2 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.8 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: DDR3, DDR4. Passmark benchmark score: 1,449 points. Launch price was $107.
Processing Power
Both the Celeron 3955U and Celeron 3867U share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Celeron 3955U versus 1.8 GHz on the Celeron 3867U — a 10.5% clock advantage for the Celeron 3955U (base: 2 GHz vs 1.8 GHz). The Celeron 3955U uses the Skylake (2015−2016) architecture (14 nm), while the Celeron 3867U uses Kaby Lake (2016−2019) (14 nm). In PassMark, the Celeron 3955U scores 1,443 against the Celeron 3867U's 1,449 — a 0.4% lead for the Celeron 3867U. Both processors carry 2 MB of L3 cache.
| Feature | Celeron 3955U | Celeron 3867U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2 GHz+11% | 1.8 GHz |
| Base Clock | 2 GHz+11% | 1.8 GHz |
| L3 Cache | 2 MB | 2 MB |
| L2 Cache | 512 kB | 512 kB |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (2015−2016) | Kaby Lake (2016−2019) |
| PassMark | 1,443 | 1,449 |
| Geekbench 6 Single | 431 | — |
| Geekbench 6 Multi | 741 | — |
Memory & Platform
Both processors use the BGA1356 socket with PCIe 3.0. Both support up to DDR4-2133 memory speed. Both support up to 32 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 12 PCIe lanes. Chipset compatibility: Sunrise Point-LP (Celeron 3955U) and Kaby Lake-U (Celeron 3867U).
| Feature | Celeron 3955U | Celeron 3867U |
|---|---|---|
| Socket | BGA1356 | BGA1356 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2133 | DDR4-2133 |
| Max RAM Capacity | 32 GB | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 12 | 12 |
Advanced Features
Neither processor supports overclocking. Both support VT-x, VT-d virtualization. Both include integrated graphics — HD Graphics 510 (Celeron 3955U) and HD Graphics 610 (Celeron 3867U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Celeron 3955U targets Budget, Celeron 3867U targets Budget. Direct competitor: Celeron 3955U rivals Pentium 3825U; Celeron 3867U rivals Pentium Gold 4417U.
| Feature | Celeron 3955U | Celeron 3867U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics 510 | HD Graphics 610 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | Budget | Budget |
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