Ryzen 9 7945HX3D vs Ryzen 7 7800X3D
Ryzen 9 7945HX3D
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
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 7945HX3D | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($384) |
| Longevity | ✨ Modern (Dragon Range-HX (Zen 4) (2023−2024) / 5 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | Ryzen 9 7945HX3D | 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 9 7945HX3D and Ryzen 7 7800X3D
Ryzen 9 7945HX3D
The Ryzen 9 7945HX3D is manufactured by AMD. It was released in 2023-07-27. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200. Passmark benchmark score: 57,803 points. Launch price was $800.
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 9 7945HX3D packs 16 cores / 32 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 9 7945HX3D has 8 more cores. Boost clocks reach 5.4 GHz on the Ryzen 9 7945HX3D versus 5 GHz on the Ryzen 7 7800X3D — a 7.7% clock advantage for the Ryzen 9 7945HX3D (base: 2.3 GHz vs 4.4 GHz). The Ryzen 9 7945HX3D uses the Dragon Range-HX (Zen 4) (2023−2024) architecture (5 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Ryzen 9 7945HX3D scores 57,803 against the Ryzen 7 7800X3D's 34,293 — a 51.1% lead for the Ryzen 9 7945HX3D. L3 cache: 128 MB (total) on the Ryzen 9 7945HX3D vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | Ryzen 9 7945HX3D | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 16 / 32+100% | 8 / 16 |
| Boost Clock | 5.4 GHz+8% | 5 GHz |
| Base Clock | 2.3 GHz | 4.4 GHz+91% |
| L3 Cache | 128 MB (total)+33% | 96 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 5 nm | 5 nm |
| Architecture | Dragon Range-HX (Zen 4) (2023−2024) | Raphael (Zen4) (2022−2023) |
| PassMark | 57,803+69% | 34,293 |
| Cinebench R23 Multi | — | 18,500 |
| Geekbench 6 Single | — | 2,700 |
| Geekbench 6 Multi | — | 15,000 |
Memory & Platform
The Ryzen 9 7945HX3D 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 5200 on the Ryzen 9 7945HX3D versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 9 7945HX3D supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 of RAM. Both feature 2-channel memory with ECC support. Both provide 28 PCIe lanes. Chipset compatibility: FL1 (Ryzen 9 7945HX3D) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | Ryzen 9 7945HX3D | Ryzen 7 7800X3D |
|---|---|---|
| Socket | FL1 | AM5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 5200+103900% | DDR5-5200 |
| Max RAM Capacity | 128 | 128 GB+104857500% |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 28 | 28 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics — AMD Radeon 610M (Ryzen 9 7945HX3D) 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 9 7945HX3D rivals Core Ultra 9 285HX; Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Ryzen 9 7945HX3D | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | AMD Radeon 610M | AMD Radeon Graphics (2-core) |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d, AMD-V | AMD-V |
| Target Use | — | Gaming |
Value Analysis
The Ryzen 9 7945HX3D launched at $0 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($0 vs $384), the Ryzen 9 7945HX3D is $384 cheaper.
| Feature | Ryzen 9 7945HX3D | Ryzen 7 7800X3D |
|---|---|---|
| MSRP | $0-100% | $449 |
| Avg Price (30d) | $0-100% | $384 |
| Performance per Dollar | — | 89.3 |
| Release Date | 2023 | 2023 |
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