
Pentium Gold G6400 vs Ryzen 9 7950X3D

Pentium Gold G6400
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Ryzen 9 7950X3D
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 9 7950X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold G6400 | Ryzen 9 7950X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($486) |
| Longevity | ✨ Modern (Comet Lake (2020−2025) / 14 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm, 6 nm) |
💎 Value Proposition
| Insight | Pentium Gold G6400 | Ryzen 9 7950X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($486) |
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 G6400 and Ryzen 9 7950X3D

Pentium Gold G6400
The Pentium Gold G6400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Comet Lake (2020−2025) architecture. It features 2 cores and 4 threads. Base frequency is 4 GHz, with boost up to 4 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 4,106 points. Launch price was $69.

Ryzen 9 7950X3D
The Ryzen 9 7950X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 16 cores and 32 threads. Base frequency is 4.2 GHz, with boost up to 5.7 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm, 6 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 62,323 points. Launch price was $699.
Processing Power
The Pentium Gold G6400 packs 2 cores / 4 threads, while the Ryzen 9 7950X3D offers 16 cores / 32 threads — the Ryzen 9 7950X3D has 14 more cores. Boost clocks reach 4 GHz on the Pentium Gold G6400 versus 5.7 GHz on the Ryzen 9 7950X3D — a 35.1% clock advantage for the Ryzen 9 7950X3D (base: 4 GHz vs 4.2 GHz). The Pentium Gold G6400 uses the Comet Lake (2020−2025) architecture (14 nm), while the Ryzen 9 7950X3D uses Raphael (Zen4) (2022−2023) (5 nm, 6 nm). In PassMark, the Pentium Gold G6400 scores 4,106 against the Ryzen 9 7950X3D's 62,323 — a 175.3% lead for the Ryzen 9 7950X3D. L3 cache: 4 MB (total) on the Pentium Gold G6400 vs 128 MB (total) on the Ryzen 9 7950X3D.
| Feature | Pentium Gold G6400 | Ryzen 9 7950X3D |
|---|---|---|
| Cores / Threads | 2 / 4 | 16 / 32+700% |
| Boost Clock | 4 GHz | 5.7 GHz+43% |
| Base Clock | 4 GHz | 4.2 GHz+5% |
| L3 Cache | 4 MB (total) | 128 MB (total)+3100% |
| L2 Cache | 256K (per core) | 1 MB (per core)+300% |
| Process | 14 nm | 5 nm, 6 nm-64% |
| Architecture | Comet Lake (2020−2025) | Raphael (Zen4) (2022−2023) |
| PassMark | 4,106 | 62,323+1418% |
| Cinebench R23 Multi | — | 38,581 |
| Geekbench 6 Single | — | 2,926 |
| Geekbench 6 Multi | — | 19,643 |
Memory & Platform
The Pentium Gold G6400 uses the LGA1200 socket (PCIe 3.0), while the Ryzen 9 7950X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold G6400 | Ryzen 9 7950X3D |
|---|---|---|
| Socket | LGA1200 | AM5 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | — | DDR5-5200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 28 |
Advanced Features
Virtualization: not specified (Pentium Gold G6400) / true (Ryzen 9 7950X3D). The Ryzen 9 7950X3D includes integrated graphics (Radeon Graphics), while the Pentium Gold G6400 requires a dedicated GPU. Direct competitor: Ryzen 9 7950X3D rivals Core i9-13900K.
| Feature | Pentium Gold G6400 | Ryzen 9 7950X3D |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon Graphics |
| Unlocked | — | Yes |
| AVX-512 | — | Yes |
| Virtualization | — | true |
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