
Turion II N550 vs Pentium Gold 6405U

Turion II N550

Pentium Gold 6405U
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 Turion II N550 is positioned at rank 511 and the Pentium Gold 6405U is on rank 770, so the Turion II N550 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Turion II N550
Performance Per Dollar Pentium Gold 6405U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Turion II N550 | Pentium Gold 6405U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Champlain (2010−2011) / 45 nm) | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Turion II N550 | Pentium Gold 6405U |
|---|---|---|
| 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 Turion II N550 and Pentium Gold 6405U

Turion II N550
The Turion II N550 is manufactured by AMD. It was released in 2007-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 2.6 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,315 points. Launch price was $69.

Pentium Gold 6405U
The Pentium Gold 6405U is manufactured by Intel. It was released in 31 October 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 2 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,320 points. Launch price was $161.
Processing Power
The Turion II N550 packs 2 cores / 2 threads, matching the Pentium Gold 6405U's 2 cores. Boost clocks reach 2.6 GHz on the Turion II N550 versus 2.4 GHz on the Pentium Gold 6405U — a 8% clock advantage for the Turion II N550. The Turion II N550 uses the Champlain (2010−2011) architecture (45 nm), while the Pentium Gold 6405U uses Comet Lake-U (2019−2020) (14 nm). In PassMark, the Turion II N550 scores 1,315 against the Pentium Gold 6405U's 1,320 — a 0.4% lead for the Pentium Gold 6405U.
| Feature | Turion II N550 | Pentium Gold 6405U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 2.6 GHz+8% | 2.4 GHz |
| Base Clock | — | 2.4 GHz |
| L3 Cache | — | 2 MB |
| L2 Cache | 2 MB+100% | 1 MB |
| Process | 45 nm | 14 nm-69% |
| Architecture | Champlain (2010−2011) | Comet Lake-U (2019−2020) |
| PassMark | 1,315 | 1,320 |
Memory & Platform
The Turion II N550 uses the S1 socket (PCIe 2.0), while the Pentium Gold 6405U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Turion II N550 | Pentium Gold 6405U |
|---|---|---|
| Socket | S1 | FCBGA1528 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
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