Ryzen 7 8840HX vs Ryzen 7 7800X3D
Ryzen 7 8840HX
Popular choices:
Ryzen 7 7800X3D
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 8840HX
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 8840HX | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($384) |
| Longevity | ✨ Modern (Dragon Range (2025) / 5 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | Ryzen 7 8840HX | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($384) |
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 8840HX and Ryzen 7 7800X3D
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.
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.
Processing Power
The Ryzen 7 8840HX packs 12 cores / 24 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 8840HX has 4 more cores. Boost clocks reach 5.1 GHz on the Ryzen 7 8840HX versus 5 GHz on the Ryzen 7 7800X3D — a 2% clock advantage for the Ryzen 7 8840HX (base: 2.9 GHz vs 4.4 GHz). The Ryzen 7 8840HX uses the Dragon Range (2025) architecture (5 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Ryzen 7 8840HX scores 42,275 against the Ryzen 7 7800X3D's 34,293 — a 20.8% lead for the Ryzen 7 8840HX. L3 cache: 64 MB (total) on the Ryzen 7 8840HX vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | Ryzen 7 8840HX | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 12 / 24+50% | 8 / 16 |
| Boost Clock | 5.1 GHz+2% | 5 GHz |
| Base Clock | 2.9 GHz | 4.4 GHz+52% |
| L3 Cache | 64 MB (total) | 96 MB (total)+50% |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 5 nm |
| Architecture | Dragon Range (2025) | Raphael (Zen4) (2022−2023) |
| PassMark | 42,275+23% | 34,293 |
| Cinebench R23 Multi | — | 18,500 |
| Geekbench 6 Single | — | 2,700 |
| Geekbench 6 Multi | — | 15,000 |
Memory & Platform
The Ryzen 7 8840HX uses the FL1 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Ryzen 7 8840HX versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 8840HX supports 199.6% 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 64 — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 28 PCIe lanes. Chipset compatibility: FP8,FP7 (Ryzen 7 8840HX) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | Ryzen 7 8840HX | Ryzen 7 7800X3D |
|---|---|---|
| Socket | FL1 | AM5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 5600+111900% | DDR5-5200 |
| Max RAM Capacity | 64 | 128 GB+209715100% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 28 |
Advanced Features
Only the Ryzen 7 7800X3D 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: VT-x, VT-d, AMD-V (Ryzen 7 8840HX) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics — AMD Radeon 780M (Ryzen 7 8840HX) and AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) — 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 8840HX rivals Core i7-13700H; Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Ryzen 7 8840HX | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | AMD Radeon 780M | AMD Radeon Graphics (2-core) |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | AMD-V |
| Target Use | — | Gaming |
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