
Pentium 3558U

Athlon X2 BE-2400
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 3558U is positioned at rank 1123 and the Athlon X2 BE-2400 is on rank 855, so the Athlon X2 BE-2400 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium 3558U
Performance Per Dollar Athlon X2 BE-2400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 3558U | Athlon X2 BE-2400 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Brisbane (2007−2008) / 65 nm) |
💎 Value Proposition
| Insight | Pentium 3558U | Athlon X2 BE-2400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
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 3558U and Athlon X2 BE-2400

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.

Athlon X2 BE-2400
The Athlon X2 BE-2400 is manufactured by AMD. It was released in 2009-01-01. It is based on the Brisbane (2007−2008) architecture. It features 2 cores and 2 threads. Max frequency: 2.3 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 1,050 points. Launch price was $149.
Processing Power
Both the Pentium 3558U and Athlon X2 BE-2400 share an identical 2-core/2-thread configuration. Boost clocks reach 1.7 GHz on the Pentium 3558U versus 2.3 GHz on the Athlon X2 BE-2400 — a 30% clock advantage for the Athlon X2 BE-2400. The Pentium 3558U uses the Haswell (2013−2015) architecture (22 nm), while the Athlon X2 BE-2400 uses Brisbane (2007−2008) (65 nm). In PassMark, the Pentium 3558U scores 1,041 against the Athlon X2 BE-2400's 1,050 — a 0.9% lead for the Athlon X2 BE-2400. L3 cache: 2 MB on the Pentium 3558U vs 0 kB on the Athlon X2 BE-2400.
| Feature | Pentium 3558U | Athlon X2 BE-2400 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.7 GHz | 2.3 GHz+35% |
| Base Clock | 1.7 GHz | — |
| L3 Cache | 2 MB | 0 kB |
| L2 Cache | 512 kB | 512 kB |
| Process | 22 nm-66% | 65 nm |
| Architecture | Haswell (2013−2015) | Brisbane (2007−2008) |
| PassMark | 1,041 | 1,050 |
Memory & Platform
The Pentium 3558U uses the FCBGA1168 socket (PCIe 3.0), while the Athlon X2 BE-2400 uses AM2 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Pentium 3558U | Athlon X2 BE-2400 |
|---|---|---|
| Socket | FCBGA1168 | AM2 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | — | DDR2-800 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
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