
Pentium Gold 6405U vs Atom Z2580

Pentium Gold 6405U

Atom Z2580
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 Gold 6405U is positioned at rank 770 and the Atom Z2580 is on rank 9, so the Atom Z2580 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium Gold 6405U
Performance Per Dollar Atom Z2580
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold 6405U | Atom Z2580 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) | 🛑 Legacy (Clovertrail (2013) / 32 nm) |
💎 Value Proposition
| Insight | Pentium Gold 6405U | Atom Z2580 |
|---|---|---|
| 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 Gold 6405U and Atom Z2580

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.

Atom Z2580
The Atom Z2580 is manufactured by Intel. It was released in 27 February 2013 (12 years ago). It is based on the Clovertrail (2013) architecture. It features 2 cores and 4 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 32 nm process technology. Socket: FC-MB4760. Thermal design power (TDP): 3 Watt. Memory support: DDR2. Passmark benchmark score: 1,303 points. Launch price was $69.
Processing Power
Both the Pentium Gold 6405U and Atom Z2580 share an identical 2-core/4-thread configuration. Boost clocks reach 2.4 GHz on the Pentium Gold 6405U versus 2 GHz on the Atom Z2580 — a 18.2% clock advantage for the Pentium Gold 6405U. The Pentium Gold 6405U uses the Comet Lake-U (2019−2020) architecture (14 nm), while the Atom Z2580 uses Clovertrail (2013) (32 nm). In PassMark, the Pentium Gold 6405U scores 1,320 against the Atom Z2580's 1,303 — a 1.3% lead for the Pentium Gold 6405U. L3 cache: 2 MB on the Pentium Gold 6405U vs 0 kB on the Atom Z2580.
| Feature | Pentium Gold 6405U | Atom Z2580 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 2.4 GHz+20% | 2 GHz |
| Base Clock | 2.4 GHz | — |
| L3 Cache | 2 MB | 0 kB |
| L2 Cache | 1 MB+100% | 512K (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Comet Lake-U (2019−2020) | Clovertrail (2013) |
| PassMark | 1,320+1% | 1,303 |
Memory & Platform
The Pentium Gold 6405U uses the FCBGA1528 socket (PCIe 3.0), while the Atom Z2580 uses FC-MB4760 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold 6405U | Atom Z2580 |
|---|---|---|
| Socket | FCBGA1528 | FC-MB4760 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | LPDDR2-1066 |
| Max RAM Capacity | — | 2 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
The Atom Z2580 includes integrated graphics (PowerVR SGX544MP2), while the Pentium Gold 6405U requires a dedicated GPU.
| Feature | Pentium Gold 6405U | Atom Z2580 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | PowerVR SGX544MP2 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















