Pentium Gold G6405 vs Ryzen Embedded R1505G
Pentium Gold G6405
Ryzen Embedded R1505G
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 Ryzen Embedded R1505G
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold G6405 | Ryzen Embedded R1505G |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($80) |
| Longevity | ✨ Modern (Comet Lake-R (2021) / 14 nm) | ✨ Modern (Zen (2017−2020) / 14 nm) |
💎 Value Proposition
| Insight | Pentium Gold G6405 | Ryzen Embedded R1505G |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($80) |
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 Ryzen Embedded R1505G
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.
Ryzen Embedded R1505G
The Ryzen Embedded R1505G is manufactured by AMD. It was released in 25 February 2020 (5 years ago). It is based on the Zen (2017−2020) 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: 512 kB (per core). Built on 14 nm process technology. Socket: FP5. Thermal design power (TDP): 25 Watt. Memory support: DDR4-2400. Passmark benchmark score: 3,799 points. Launch price was $80.
Processing Power
Both the Pentium Gold G6405 and Ryzen Embedded R1505G 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 Ryzen Embedded R1505G — 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 Ryzen Embedded R1505G uses Zen (2017−2020) (14 nm). In PassMark, the Pentium Gold G6405 scores 3,817 against the Ryzen Embedded R1505G's 3,799 — a 0.5% lead for the Pentium Gold G6405. Both processors carry 4 MB (total) of L3 cache.
| Feature | Pentium Gold G6405 | Ryzen Embedded R1505G |
|---|---|---|
| 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) | 512 kB (per core)+100% |
| Process | 14 nm | 14 nm |
| Architecture | Comet Lake-R (2021) | Zen (2017−2020) |
| PassMark | 3,817 | 3,799 |
Memory & Platform
The Pentium Gold G6405 uses the LGA1200 socket (PCIe 3.0), while the Ryzen Embedded R1505G uses FP5 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold G6405 | Ryzen Embedded R1505G |
|---|---|---|
| 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 | — | 8 |
Advanced Features
Virtualization: not specified (Pentium Gold G6405) / AMD-V (Ryzen Embedded R1505G). The Ryzen Embedded R1505G includes integrated graphics (Radeon Vega 3), while the Pentium Gold G6405 requires a dedicated GPU. Primary use case: Ryzen Embedded R1505G targets Embedded.
| Feature | Pentium Gold G6405 | Ryzen Embedded R1505G |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon Vega 3 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Embedded |
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