Ryzen 7 PRO 7840U vs Ryzen 7 5800X
Ryzen 7 PRO 7840U
Popular choices:
Ryzen 7 5800X
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 PRO 7840U
Performance Per Dollar Ryzen 7 5800X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 PRO 7840U | Ryzen 7 5800X |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($180) |
| Longevity | ✨ Modern (Phoenix (Zen 4) (2023) / 4 nm) | ✨ Modern (Vermeer (Zen 3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Ryzen 7 PRO 7840U | Ryzen 7 5800X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($180) |
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 PRO 7840U and Ryzen 7 5800X
Ryzen 7 PRO 7840U
The Ryzen 7 PRO 7840U is manufactured by AMD. It was released in 3 May 2023 (2 years ago). It is based on the Phoenix (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP8. Thermal design power (TDP): 28 Watt. Memory support: LPDDR5x, DDR5. Passmark benchmark score: 24,531 points. Launch price was $299.
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.
Processing Power
Both the Ryzen 7 PRO 7840U and Ryzen 7 5800X share an identical 8-core/16-thread configuration. Boost clocks reach 5.1 GHz on the Ryzen 7 PRO 7840U versus 4.7 GHz on the Ryzen 7 5800X — a 8.2% clock advantage for the Ryzen 7 PRO 7840U (base: 3.3 GHz vs 3.8 GHz). The Ryzen 7 PRO 7840U uses the Phoenix (Zen 4) (2023) architecture (4 nm), while the Ryzen 7 5800X uses Vermeer (Zen 3) (2020−2022) (7 nm, 12 nm). In PassMark, the Ryzen 7 PRO 7840U scores 24,531 against the Ryzen 7 5800X's 27,712 — a 12.2% lead for the Ryzen 7 5800X. L3 cache: 16 MB on the Ryzen 7 PRO 7840U vs 32 MB on the Ryzen 7 5800X.
| Feature | Ryzen 7 PRO 7840U | Ryzen 7 5800X |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 5.1 GHz+9% | 4.7 GHz |
| Base Clock | 3.3 GHz | 3.8 GHz+15% |
| L3 Cache | 16 MB | 32 MB+100% |
| L2 Cache | 8 MB+1500% | 512K (per core) |
| Process | 4 nm-43% | 7 nm, 12 nm |
| Architecture | Phoenix (Zen 4) (2023) | Vermeer (Zen 3) (2020−2022) |
| PassMark | 24,531 | 27,712+13% |
Memory & Platform
The Ryzen 7 PRO 7840U uses the FP7/FP8 socket (PCIe 4.0), while the Ryzen 7 5800X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Ryzen 7 PRO 7840U | Ryzen 7 5800X |
|---|---|---|
| Socket | FP7/FP8 | AM4 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | — | DDR4-3200 |
| Max RAM Capacity | — | 128 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 24 |
Advanced Features
Virtualization: not specified (Ryzen 7 PRO 7840U) / AMD-V (Ryzen 7 5800X). Primary use case: Ryzen 7 5800X targets Desktop.
| Feature | Ryzen 7 PRO 7840U | Ryzen 7 5800X |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | Yes |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Desktop |
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