Ryzen 9 7950X3D vs Ryzen 7 8840HX
Ryzen 9 7950X3D
Ryzen 7 8840HX
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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 9 7950X3D
Performance Per Dollar Ryzen 7 8840HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 7950X3D | Ryzen 7 8840HX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($486) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm, 6 nm) | ✨ Modern (Dragon Range (2025) / 5 nm) |
💎 Value Proposition
| Insight | Ryzen 9 7950X3D | Ryzen 7 8840HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($486) | ✅ 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 9 7950X3D and Ryzen 7 8840HX
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.
Ryzen 7 8840HX
The Ryzen 7 8840HX is manufactured by AMD. It was released in 23 April 2025 (less than a year ago). It is based on the Dragon Range (2025) architecture. It features 12 cores and 24 threads. Base frequency is 2.9 GHz, with boost up to 5.1 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 42,275 points. Launch price was $499.
Processing Power
The Ryzen 9 7950X3D packs 16 cores / 32 threads, while the Ryzen 7 8840HX offers 12 cores / 24 threads — the Ryzen 9 7950X3D has 4 more cores. Boost clocks reach 5.7 GHz on the Ryzen 9 7950X3D versus 5.1 GHz on the Ryzen 7 8840HX — a 11.1% clock advantage for the Ryzen 9 7950X3D (base: 4.2 GHz vs 2.9 GHz). The Ryzen 9 7950X3D uses the Raphael (Zen4) (2022−2023) architecture (5 nm, 6 nm), while the Ryzen 7 8840HX uses Dragon Range (2025) (5 nm). In PassMark, the Ryzen 9 7950X3D scores 62,323 against the Ryzen 7 8840HX's 42,275 — a 38.3% lead for the Ryzen 9 7950X3D. L3 cache: 128 MB (total) on the Ryzen 9 7950X3D vs 64 MB (total) on the Ryzen 7 8840HX.
| Feature | Ryzen 9 7950X3D | Ryzen 7 8840HX |
|---|---|---|
| Cores / Threads | 16 / 32+33% | 12 / 24 |
| Boost Clock | 5.7 GHz+12% | 5.1 GHz |
| Base Clock | 4.2 GHz+45% | 2.9 GHz |
| L3 Cache | 128 MB (total)+100% | 64 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm, 6 nm | 5 nm |
| Architecture | Raphael (Zen4) (2022−2023) | Dragon Range (2025) |
| PassMark | 62,323+47% | 42,275 |
| Cinebench R23 Multi | 38,581 | — |
| Geekbench 6 Single | 2,926 | — |
| Geekbench 6 Multi | 19,643 | — |
Memory & Platform
The Ryzen 9 7950X3D uses the AM5 socket (PCIe 5.0), while the Ryzen 7 8840HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 9 7950X3D versus 5600 on the Ryzen 7 8840HX — the Ryzen 7 8840HX supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 7950X3D supports up to 128 GB of RAM compared to 64 — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 28 PCIe lanes. Chipset compatibility: AMD X670E,AMD X670,AMD B650E,AMD B650 (Ryzen 9 7950X3D) and FP8,FP7 (Ryzen 7 8840HX).
| Feature | Ryzen 9 7950X3D | Ryzen 7 8840HX |
|---|---|---|
| Socket | AM5 | FL1 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5200 | 5600+111900% |
| Max RAM Capacity | 128 GB+209715100% | 64 |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 28 |
Advanced Features
Only the Ryzen 9 7950X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Ryzen 9 7950X3D) vs VT-x, VT-d, AMD-V (Ryzen 7 8840HX). Both include integrated graphics — Radeon Graphics (Ryzen 9 7950X3D) and AMD Radeon 780M (Ryzen 7 8840HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Ryzen 9 7950X3D rivals Core i9-13900K; Ryzen 7 8840HX rivals Core i7-13700H.
| Feature | Ryzen 9 7950X3D | Ryzen 7 8840HX |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon Graphics | AMD Radeon 780M |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | true | VT-x, VT-d, AMD-V |
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