Ryzen Embedded R1505G vs Pentium Gold G6405
Ryzen Embedded R1505G
Pentium Gold G6405
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. The Ryzen Embedded R1505G is positioned at rank #472 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 Ryzen Embedded R1505G
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen Embedded R1505G | Pentium Gold G6405 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($80) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Zen (2017−2020) / 14 nm) | ✨ Modern (Comet Lake-R (2021) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen Embedded R1505G | Pentium Gold G6405 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($80) | ✅ More affordable ($0) |
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 Ryzen Embedded R1505G and Pentium Gold G6405
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.
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.
Processing Power
Both the Ryzen Embedded R1505G and Pentium Gold G6405 share an identical 2-core/4-thread configuration. Boost clocks reach 3.3 GHz on the Ryzen Embedded R1505G versus 4.1 GHz on the Pentium Gold G6405 — a 21.6% clock advantage for the Pentium Gold G6405 (base: 2.4 GHz vs 4.1 GHz). The Ryzen Embedded R1505G uses the Zen (2017−2020) architecture (14 nm), while the Pentium Gold G6405 uses Comet Lake-R (2021) (14 nm). In PassMark, the Ryzen Embedded R1505G scores 3,799 against the Pentium Gold G6405's 3,817 — a 0.5% lead for the Pentium Gold G6405. Both processors carry 4 MB (total) of L3 cache.
| Feature | Ryzen Embedded R1505G | Pentium Gold G6405 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 4 |
| Boost Clock | 3.3 GHz | 4.1 GHz+24% |
| Base Clock | 2.4 GHz | 4.1 GHz+71% |
| L3 Cache | 4 MB (total) | 4 MB (total) |
| L2 Cache | 512 kB (per core)+100% | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Zen (2017−2020) | Comet Lake-R (2021) |
| PassMark | 3,799 | 3,817 |
Memory & Platform
The Ryzen Embedded R1505G uses the FP5 socket (PCIe 3.0), while the Pentium Gold G6405 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Ryzen Embedded R1505G | Pentium Gold G6405 |
|---|---|---|
| Socket | FP5 | LGA1200 |
| 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: AMD-V (Ryzen Embedded R1505G) / not specified (Pentium Gold G6405). 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 | Ryzen Embedded R1505G | Pentium Gold G6405 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon Vega 3 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Embedded | — |
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