CPU
GPU
Celeron N2815
Pentium 3556U
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 N2815 is positioned at rank 405 and the Pentium 3556U is on rank 253, so the Pentium 3556U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron N2815
Performance Per Dollar Pentium 3556U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron N2815 | Pentium 3556U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower 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 (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Celeron N2815 | Pentium 3556U |
|---|---|---|
| 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 N2815 and Pentium 3556U
Celeron N2815
The Celeron N2815 is manufactured by Intel. It was released in 1 December 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 1.86 GHz, with boost up to 2.13 GHz. L3 cache: 1 MB. L2 cache: 1 MB. Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7.5 Watt. Memory support: DDR3L-1066. Passmark benchmark score: 1,068 points. Launch price was $107.
Pentium 3556U
The Pentium 3556U is manufactured by Intel. It was released in 2007-01-01. It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,072 points. Launch price was $69.
Processing Power
Both the Celeron N2815 and Pentium 3556U share an identical 2-core/2-thread configuration. Boost clocks reach 2.13 GHz on the Celeron N2815 versus 1.7 GHz on the Pentium 3556U — a 22.5% clock advantage for the Celeron N2815 (base: 1.86 GHz vs 1.7 GHz). The Celeron N2815 uses the Bay Trail-M (2013−2014) architecture (22 nm), while the Pentium 3556U uses Haswell (2013−2015) (22 nm). In PassMark, the Celeron N2815 scores 1,068 against the Pentium 3556U's 1,072 — a 0.4% lead for the Pentium 3556U. L3 cache: 1 MB on the Celeron N2815 vs 2 MB (total) on the Pentium 3556U.
| Feature | Celeron N2815 | Pentium 3556U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.13 GHz+25% | 1.7 GHz |
| Base Clock | 1.86 GHz+9% | 1.7 GHz |
| L3 Cache | 1 MB | 2 MB (total)+100% |
| L2 Cache | 1 MB+300% | 256K (per core) |
| Process | 22 nm | 22 nm |
| Architecture | Bay Trail-M (2013−2014) | Haswell (2013−2015) |
| PassMark | 1,068 | 1,072 |
Memory & Platform
The Celeron N2815 uses the FCBGA1170 socket (PCIe 2.0), while the Pentium 3556U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Celeron N2815 | Pentium 3556U |
|---|---|---|
| Socket | FCBGA1170 | FCBGA1168 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | 1066 | — |
| Max RAM Capacity | 8 | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 4 | — |
Advanced Features
Virtualization: true (Celeron N2815) / not specified (Pentium 3556U). The Celeron N2815 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Pentium 3556U requires a dedicated GPU. Direct competitor: Celeron N2815 rivals AMD A4-1250.
| Feature | Celeron N2815 | Pentium 3556U |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics (Bay Trail) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
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