Pentium Gold G6405 vs Athlon 300U
Pentium Gold G6405
Athlon 300U
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 Athlon 300U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold G6405 | Athlon 300U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Comet Lake-R (2021) / 14 nm) | ✨ Modern (Raven Ridge 2 (2019) / 14 nm) |
💎 Value Proposition
| Insight | Pentium Gold G6405 | Athlon 300U |
|---|---|---|
| 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 G6405 and Athlon 300U
Pentium Gold G6405
The Pentium Gold G6405 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 4.1 GHz, with boost up to 4.1 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,817 points. Launch price was $64.
Athlon 300U
The Athlon 300U is manufactured by AMD. It was released in 2009-01-01. It is based on the Raven Ridge 2 (2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 3,861 points. Launch price was $149.
Processing Power
Both the Pentium Gold G6405 and Athlon 300U share an identical 2-core/4-thread configuration. Boost clocks reach 4.1 GHz on the Pentium Gold G6405 versus 3.3 GHz on the Athlon 300U — a 21.6% clock advantage for the Pentium Gold G6405 (base: 4.1 GHz vs 2.4 GHz). The Pentium Gold G6405 uses the Comet Lake-R (2021) architecture (14 nm), while the Athlon 300U uses Raven Ridge 2 (2019) (14 nm). In PassMark, the Pentium Gold G6405 scores 3,817 against the Athlon 300U's 3,861 — a 1.1% lead for the Athlon 300U. Both processors carry 4 MB (total) of L3 cache.
| Feature | Pentium Gold G6405 | Athlon 300U |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 4.1 GHz+24% | 3.3 GHz |
| Base Clock | 4.1 GHz+71% | 2.4 GHz |
| L3 Cache | 4 MB (total) | 4 MB (total) |
| L2 Cache | 256 kB (per core) | 512K (per core)+100% |
| Process | 14 nm | 14 nm |
| Architecture | Comet Lake-R (2021) | Raven Ridge 2 (2019) |
| PassMark | 3,817 | 3,861+1% |
| Geekbench 6 Single | — | 900 |
| Geekbench 6 Multi | — | 1,800 |
Memory & Platform
The Pentium Gold G6405 uses the LGA1200 socket (PCIe 3.0), while the Athlon 300U uses FP5 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold G6405 | Athlon 300U |
|---|---|---|
| Socket | LGA1200 | FP5 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR4-2400 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 12 |
Advanced Features
Virtualization: not specified (Pentium Gold G6405) / AMD-V (Athlon 300U). The Athlon 300U includes integrated graphics (Radeon RX Vega 3), while the Pentium Gold G6405 requires a dedicated GPU. Primary use case: Athlon 300U targets Budget Laptop.
| Feature | Pentium Gold G6405 | Athlon 300U |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon RX Vega 3 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Budget Laptop |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Pentium Gold G6405 and Athlon 300U
