CPU
GPU
Pentium 3556U
Celeron N2815
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 Pentium 3556U is positioned at rank 253 and the Celeron N2815 is on rank 405, 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 Pentium 3556U
Performance Per Dollar Celeron N2815
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 3556U | Celeron N2815 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Bay Trail-M (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Pentium 3556U | Celeron N2815 |
|---|---|---|
| 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 Pentium 3556U and Celeron N2815
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.
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.
Processing Power
Both the Pentium 3556U and Celeron N2815 share an identical 2-core/2-thread configuration. Boost clocks reach 1.7 GHz on the Pentium 3556U versus 2.13 GHz on the Celeron N2815 — a 22.5% clock advantage for the Celeron N2815 (base: 1.7 GHz vs 1.86 GHz). The Pentium 3556U uses the Haswell (2013−2015) architecture (22 nm), while the Celeron N2815 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Pentium 3556U scores 1,072 against the Celeron N2815's 1,068 — a 0.4% lead for the Pentium 3556U. L3 cache: 2 MB (total) on the Pentium 3556U vs 1 MB on the Celeron N2815.
| Feature | Pentium 3556U | Celeron N2815 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.7 GHz | 2.13 GHz+25% |
| Base Clock | 1.7 GHz | 1.86 GHz+9% |
| L3 Cache | 2 MB (total)+100% | 1 MB |
| L2 Cache | 256K (per core) | 1 MB+300% |
| Process | 22 nm | 22 nm |
| Architecture | Haswell (2013−2015) | Bay Trail-M (2013−2014) |
| PassMark | 1,072 | 1,068 |
Memory & Platform
The Pentium 3556U uses the FCBGA1168 socket (PCIe 3.0), while the Celeron N2815 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium 3556U | Celeron N2815 |
|---|---|---|
| Socket | FCBGA1168 | FCBGA1170 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | — | 1066 |
| Max RAM Capacity | — | 8 |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 4 |
Advanced Features
Virtualization: not specified (Pentium 3556U) / true (Celeron N2815). 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 | Pentium 3556U | Celeron N2815 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Intel HD Graphics (Bay Trail) |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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