
Atom x7405C vs Pentium Silver N6005

Atom x7405C

Pentium Silver N6005
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 Atom x7405C is positioned at rank 180 and the Pentium Silver N6005 is on rank 414, so the Atom x7405C offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom x7405C
Performance Per Dollar Pentium Silver N6005
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom x7405C | Pentium Silver N6005 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Amston Lake (2024−2025) / 10 nm) | ✨ Modern (Jasper Lake (2021) / 10 nm) |
💎 Value Proposition
| Insight | Atom x7405C | Pentium Silver N6005 |
|---|---|---|
| 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 Atom x7405C and Pentium Silver N6005

Atom x7405C
The Atom x7405C is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 4 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 12 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 5,218 points. Launch price was $57.

Pentium Silver N6005
The Pentium Silver N6005 is manufactured by Intel. It was released in 2007-01-01. It is based on the Jasper Lake (2021) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 1.5 MB (total). Built on 10 nm process technology. Socket: BGA1338. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 5,253 points. Launch price was $69.
Processing Power
Both the Atom x7405C and Pentium Silver N6005 share an identical 4-core/4-thread configuration. Boost clocks reach 3.4 GHz on the Atom x7405C versus 3.3 GHz on the Pentium Silver N6005 — a 3% clock advantage for the Atom x7405C (base: 1.7 GHz vs 2 GHz). The Atom x7405C uses the Amston Lake (2024−2025) architecture (10 nm), while the Pentium Silver N6005 uses Jasper Lake (2021) (10 nm). In PassMark, the Atom x7405C scores 5,218 against the Pentium Silver N6005's 5,253 — a 0.7% lead for the Pentium Silver N6005. L3 cache: 6 MB (total) on the Atom x7405C vs 4 MB (total) on the Pentium Silver N6005.
| Feature | Atom x7405C | Pentium Silver N6005 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 3.4 GHz+3% | 3.3 GHz |
| Base Clock | 1.7 GHz | 2 GHz+18% |
| L3 Cache | 6 MB (total)+50% | 4 MB (total) |
| L2 Cache | 2 MB (total)+33% | 1.5 MB (total) |
| Process | 10 nm | 10 nm |
| Architecture | Amston Lake (2024−2025) | Jasper Lake (2021) |
| PassMark | 5,218 | 5,253 |
Memory & Platform
The Atom x7405C uses the FCBGA1264 socket (PCIe 4.0), while the Pentium Silver N6005 uses BGA1338 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Atom x7405C | Pentium Silver N6005 |
|---|---|---|
| Socket | FCBGA1264 | BGA1338 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR5-4800 | — |
| Max RAM Capacity | 16 GB | — |
| RAM Channels | 1 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 9 | — |
Advanced Features
The Atom x7405C includes integrated graphics (Intel UHD Graphics), while the Pentium Silver N6005 requires a dedicated GPU.
| Feature | Atom x7405C | Pentium Silver N6005 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel UHD Graphics | — |
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