Ryzen 7 7800X3D vs Athlon PRO 300U
Ryzen 7 7800X3D
Athlon PRO 300U
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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 Ryzen 7 7800X3D
Performance Per Dollar Athlon PRO 300U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 7800X3D | Athlon PRO 300U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($384) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) | ✨ Modern (Raven Ridge 2 (2019) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 7 7800X3D | Athlon PRO 300U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($384) | ✅ 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 7 7800X3D and Athlon PRO 300U
Ryzen 7 7800X3D
The Ryzen 7 7800X3D 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 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
Athlon PRO 300U
The Athlon PRO 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: 4,080 points. Launch price was $149.
Processing Power
The Ryzen 7 7800X3D packs 8 cores / 16 threads, while the Athlon PRO 300U offers 2 cores / 4 threads — the Ryzen 7 7800X3D has 6 more cores. Boost clocks reach 5 GHz on the Ryzen 7 7800X3D versus 3.3 GHz on the Athlon PRO 300U — a 41% clock advantage for the Ryzen 7 7800X3D (base: 4.4 GHz vs 2.4 GHz). The Ryzen 7 7800X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm), while the Athlon PRO 300U uses Raven Ridge 2 (2019) (14 nm). In PassMark, the Ryzen 7 7800X3D scores 34,293 against the Athlon PRO 300U's 4,080 — a 157.5% lead for the Ryzen 7 7800X3D. L3 cache: 96 MB (total) on the Ryzen 7 7800X3D vs 4 MB (total) on the Athlon PRO 300U.
| Feature | Ryzen 7 7800X3D | Athlon PRO 300U |
|---|---|---|
| Cores / Threads | 8 / 16+300% | 2 / 4 |
| Boost Clock | 5 GHz+52% | 3.3 GHz |
| Base Clock | 4.4 GHz+83% | 2.4 GHz |
| L3 Cache | 96 MB (total)+2300% | 4 MB (total) |
| L2 Cache | 1 MB (per core)+100% | 512K (per core) |
| Process | 5 nm-64% | 14 nm |
| Architecture | Raphael (Zen4) (2022−2023) | Raven Ridge 2 (2019) |
| PassMark | 34,293+741% | 4,080 |
| Cinebench R23 Multi | 18,500 | — |
| Geekbench 6 Single | 2,700 | — |
| Geekbench 6 Multi | 15,000 | — |
Memory & Platform
The Ryzen 7 7800X3D uses the AM5 socket (PCIe 5.0), while the Athlon PRO 300U uses FP5 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 7 7800X3D versus DDR4-2400 on the Athlon PRO 300U — the Ryzen 7 7800X3D supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 32 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 28 (Ryzen 7 7800X3D) vs 8 (Athlon PRO 300U) — the Ryzen 7 7800X3D offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D) and AMD FP5 (Athlon PRO 300U).
| Feature | Ryzen 7 7800X3D | Athlon PRO 300U |
|---|---|---|
| Socket | AM5 | FP5 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-5200+25% | DDR4-2400 |
| Max RAM Capacity | 128 GB+300% | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28+250% | 8 |
Advanced Features
Virtualization: AMD-V (Ryzen 7 7800X3D) / not specified (Athlon PRO 300U). Both include integrated graphics — AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) and AMD Radeon Vega 3 (Athlon PRO 300U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Ryzen 7 7800X3D | Athlon PRO 300U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | AMD Radeon Graphics (2-core) | AMD Radeon Vega 3 |
| Unlocked | Yes | — |
| AVX-512 | Yes | — |
| Virtualization | AMD-V | — |
| Target Use | Gaming | — |
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