
Atom x7-Z8700 vs Pentium Gold 6405U

Atom x7-Z8700

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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Pentium Gold 6405U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom x7-Z8700 | Pentium Gold 6405U |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Cherry Trail (2015−2016) / 14 nm) | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Atom x7-Z8700 | 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.

Counter-Strike 2

League of Legends
Technical Specifications
Side-by-side comparison of Atom x7-Z8700 and Pentium Gold 6405U

Atom x7-Z8700
The Atom x7-Z8700 is manufactured by Intel. It was released in 2 March 2015 (10 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2.4 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Memory support: DDR3. Passmark benchmark score: 1,325 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 Atom x7-Z8700 packs 4 cores / 4 threads, while the Pentium Gold 6405U offers 2 cores / 4 threads — the Atom x7-Z8700 has 2 more cores. Boost clocks reach 2.4 GHz on the Atom x7-Z8700 versus 2.4 GHz on the Pentium Gold 6405U — identical boost frequencies (base: 1.6 GHz vs 2.4 GHz). The Atom x7-Z8700 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Pentium Gold 6405U uses Comet Lake-U (2019−2020) (14 nm). In PassMark, the Atom x7-Z8700 scores 1,325 against the Pentium Gold 6405U's 1,320 — a 0.4% lead for the Atom x7-Z8700. L3 cache: 0 kB on the Atom x7-Z8700 vs 2 MB on the Pentium Gold 6405U.
| Feature | Atom x7-Z8700 | Pentium Gold 6405U |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 4 |
| Boost Clock | 2.4 GHz | 2.4 GHz |
| Base Clock | 1.6 GHz | 2.4 GHz+50% |
| L3 Cache | 0 kB | 2 MB |
| L2 Cache | 2 MB+100% | 1 MB |
| Process | 14 nm | 14 nm |
| Architecture | Cherry Trail (2015−2016) | Comet Lake-U (2019−2020) |
| PassMark | 1,325 | 1,320 |
Memory & Platform
The Atom x7-Z8700 uses the UTFCBGA1380 socket (PCIe 3.0), while the Pentium Gold 6405U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Atom x7-Z8700 | Pentium Gold 6405U |
|---|---|---|
| Socket | UTFCBGA1380 | FCBGA1528 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | LPDDR3-1600 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 2 | — |
Advanced Features
The Atom x7-Z8700 includes integrated graphics (Intel HD Graphics (Cherry Trail)), while the Pentium Gold 6405U requires a dedicated GPU.
| Feature | Atom x7-Z8700 | Pentium Gold 6405U |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics (Cherry Trail) | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.













