
Celeron 5305U vs Pentium Gold 6405U

Celeron 5305U

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 Celeron 5305U is positioned at rank 656 and the Pentium Gold 6405U is on rank 770, so the Celeron 5305U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron 5305U
Performance Per Dollar Pentium Gold 6405U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron 5305U | Pentium Gold 6405U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) | ✨ Modern (Comet Lake-U (2019−2020) / 14 nm) |
💎 Value Proposition
| Insight | Celeron 5305U | 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 Celeron 5305U and Pentium Gold 6405U

Celeron 5305U
The Celeron 5305U is manufactured by Intel. It was released in 2007-01-01. It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 2 threads. Base frequency is 2.3 GHz, with boost up to 2.3 GHz. L3 cache: 2 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2400, LPDDR3-2133. Passmark benchmark score: 1,307 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 Celeron 5305U packs 2 cores / 2 threads, matching the Pentium Gold 6405U's 2 cores. Boost clocks reach 2.3 GHz on the Celeron 5305U versus 2.4 GHz on the Pentium Gold 6405U — a 4.3% clock advantage for the Pentium Gold 6405U (base: 2.3 GHz vs 2.4 GHz). Both are built on the Comet Lake-U (2019−2020) architecture using a 14 nm process. In PassMark, the Celeron 5305U scores 1,307 against the Pentium Gold 6405U's 1,320 — a 1% lead for the Pentium Gold 6405U. Both processors carry 2 MB of L3 cache.
| Feature | Celeron 5305U | Pentium Gold 6405U |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 2.3 GHz | 2.4 GHz+4% |
| Base Clock | 2.3 GHz | 2.4 GHz+4% |
| L3 Cache | 2 MB | 2 MB |
| L2 Cache | — | 1 MB |
| Process | 14 nm | 14 nm |
| Architecture | Comet Lake-U (2019−2020) | Comet Lake-U (2019−2020) |
| PassMark | 1,307 | 1,320 |
| Geekbench 6 Single | 480 | — |
| Geekbench 6 Multi | 865 | — |
Memory & Platform
Both processors use the FCBGA1528 socket with PCIe 3.0.
| Feature | Celeron 5305U | Pentium Gold 6405U |
|---|---|---|
| Socket | FCBGA1528 | FCBGA1528 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2400 | — |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 12 | — |
Advanced Features
Virtualization: VT-x, VT-d (Celeron 5305U) / not specified (Pentium Gold 6405U). The Celeron 5305U includes integrated graphics (UHD Graphics (Comet Lake)), while the Pentium Gold 6405U requires a dedicated GPU. Primary use case: Celeron 5305U targets Budget. Direct competitor: Celeron 5305U rivals Pentium Gold 6405U.
| Feature | Celeron 5305U | Pentium Gold 6405U |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics (Comet Lake) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Budget | — |
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