
Celeron 2981U vs Pentium 3558U

Celeron 2981U

Pentium 3558U
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 2981U is positioned at rank 426 and the Pentium 3558U is on rank 1123, so the Celeron 2981U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 2981U
Performance Per Dollar Pentium 3558U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 2981U | Pentium 3558U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($137) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Celeron 2981U | Pentium 3558U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($137) | ✅ More affordable ($0) |
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 2981U and Pentium 3558U

Celeron 2981U
The Celeron 2981U 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 1.6 GHz, with boost up to 1.6 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,036 points. Launch price was $69.

Pentium 3558U
The Pentium 3558U is manufactured by Intel. It was released in 1 January 2014 (11 years ago). 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. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,041 points. Launch price was $161.
Processing Power
Both the Celeron 2981U and Pentium 3558U share an identical 2-core/2-thread configuration. Boost clocks reach 1.6 GHz on the Celeron 2981U versus 1.7 GHz on the Pentium 3558U — a 6.1% clock advantage for the Pentium 3558U (base: 1.6 GHz vs 1.7 GHz). Both are built on the Haswell (2013−2015) architecture using a 22 nm process. In PassMark, the Celeron 2981U scores 1,036 against the Pentium 3558U's 1,041 — a 0.5% lead for the Pentium 3558U. Both processors carry 2 MB of L3 cache.
| Feature | Celeron 2981U | Pentium 3558U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.6 GHz | 1.7 GHz+6% |
| Base Clock | 1.6 GHz | 1.7 GHz+6% |
| L3 Cache | 2 MB | 2 MB |
| L2 Cache | 512 kB | 512 kB |
| Process | 22 nm | 22 nm |
| Architecture | Haswell (2013−2015) | Haswell (2013−2015) |
| PassMark | 1,036 | 1,041 |
Memory & Platform
Both processors use the FCBGA1168 socket with PCIe 3.0.
| Feature | Celeron 2981U | Pentium 3558U |
|---|---|---|
| Socket | FCBGA1168 | FCBGA1168 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3L-1600 | — |
| Max RAM Capacity | 16 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 12 | — |
Advanced Features
Virtualization: VT-x (Celeron 2981U) / not specified (Pentium 3558U). The Celeron 2981U includes integrated graphics (HD Graphics (Haswell)), while the Pentium 3558U requires a dedicated GPU. Primary use case: Celeron 2981U targets Budget. Direct competitor: Celeron 2981U rivals Pentium 2117U.
| Feature | Celeron 2981U | Pentium 3558U |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics (Haswell) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Budget | — |
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