
Ryzen 7 5800X vs Athlon PRO 3045B

Ryzen 7 5800X

Athlon PRO 3045B
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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 5800X
Performance Per Dollar Athlon PRO 3045B
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 5800X | Athlon PRO 3045B |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) | ✨ Modern (Dali (2020−2021) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 7 5800X | Athlon PRO 3045B |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+900%) | ❌ 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 Ryzen 7 5800X and Athlon PRO 3045B

Ryzen 7 5800X
The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

Athlon PRO 3045B
The Athlon PRO 3045B is manufactured by AMD. It was released in 2009-01-01. It is based on the Dali (2020−2021) architecture. It features 2 cores and 4 threads. Base frequency is 2.3 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 2,770 points. Launch price was $149.
Processing Power
The Ryzen 7 5800X packs 8 cores / 16 threads, while the Athlon PRO 3045B offers 2 cores / 4 threads — the Ryzen 7 5800X has 6 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 3.2 GHz on the Athlon PRO 3045B — a 38% clock advantage for the Ryzen 7 5800X (base: 3.8 GHz vs 2.3 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Athlon PRO 3045B uses Dali (2020−2021) (14 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Athlon PRO 3045B's 2,770 — a 163.7% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 4 MB (total) on the Athlon PRO 3045B.
| Feature | Ryzen 7 5800X | Athlon PRO 3045B |
|---|---|---|
| Cores / Threads | 8 / 16+300% | 2 / 4 |
| Boost Clock | 4.7 GHz+47% | 3.2 GHz |
| Base Clock | 3.8 GHz+65% | 2.3 GHz |
| L3 Cache | 32 MB+700% | 4 MB (total) |
| L2 Cache | 512K (per core) | 512 kB (per core) |
| Process | 7 nm, 12 nm-50% | 14 nm |
| Architecture | Vermeer (Zen 3) (2020−2022) | Dali (2020−2021) |
| PassMark | 27,712+900% | 2,770 |
Memory & Platform
The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Athlon PRO 3045B uses FP5 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR4-3200 memory speed. The Ryzen 7 5800X 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: 24 (Ryzen 7 5800X) vs 8 (Athlon PRO 3045B) — the Ryzen 7 5800X offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X) and AMD FP5 (Athlon PRO 3045B).
| Feature | Ryzen 7 5800X | Athlon PRO 3045B |
|---|---|---|
| Socket | AM4 | FP5 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR4-3200 | DDR4-2400 |
| Max RAM Capacity | 128 GB+300% | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24+200% | 8 |
Advanced Features
Virtualization: AMD-V (Ryzen 7 5800X) / not specified (Athlon PRO 3045B). The Athlon PRO 3045B includes integrated graphics (AMD Radeon Vega 3), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Ryzen 7 5800X targets Desktop.
| Feature | Ryzen 7 5800X | Athlon PRO 3045B |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | AMD Radeon Vega 3 |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Desktop | — |
Value Analysis
The Ryzen 7 5800X launched at $449 MSRP, while the Athlon PRO 3045B debuted at $426. At current prices ($180 vs $180), the Athlon PRO 3045B is $0 cheaper. In terms of value (PassMark points per dollar), the Ryzen 7 5800X delivers 154.0 pts/$ vs 15.4 pts/$ for the Athlon PRO 3045B — making the Ryzen 7 5800X the 163.7% better value option.
| Feature | Ryzen 7 5800X | Athlon PRO 3045B |
|---|---|---|
| MSRP | $449 | $426-5% |
| Avg Price (30d) | $180 | $180 |
| Performance per Dollar | 154.0+900% | 15.4 |
| Release Date | 2020 | 2021 |
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