Ryzen 9 5900XT vs Ryzen 9 7845HX
Ryzen 9 5900XT
Ryzen 9 7845HX
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 5900XT
Performance Per Dollar Ryzen 9 7845HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 5900XT | Ryzen 9 7845HX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($311) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Vermeer (2020−2025) / 7 nm) | ✨ Modern (Dragon Range-HX (Zen 4) (2023−2024) / CCD = 5 nm, I/O = 6 nm) |
💎 Value Proposition
| Insight | Ryzen 9 5900XT | Ryzen 9 7845HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($311) | ✅ 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 5900XT and Ryzen 9 7845HX
Ryzen 9 5900XT
The Ryzen 9 5900XT is manufactured by AMD. It was released in 31 July 2024 (1 year ago). It is based on the Vermeer (2020−2025) architecture. It features 16 cores and 32 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 44,105 points. Launch price was $349.
Ryzen 9 7845HX
The Ryzen 9 7845HX is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 5.2 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on CCD = 5 nm, I/O = 6 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 44,940 points. Launch price was $499.
Processing Power
The Ryzen 9 5900XT packs 16 cores / 32 threads, while the Ryzen 9 7845HX offers 12 cores / 24 threads — the Ryzen 9 5900XT has 4 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900XT versus 5.2 GHz on the Ryzen 9 7845HX — a 8% clock advantage for the Ryzen 9 7845HX (base: 3.3 GHz vs 3 GHz). The Ryzen 9 5900XT uses the Vermeer (2020−2025) architecture (7 nm), while the Ryzen 9 7845HX uses Dragon Range-HX (Zen 4) (2023−2024) (CCD = 5 nm, I/O = 6 nm). In PassMark, the Ryzen 9 5900XT scores 44,105 against the Ryzen 9 7845HX's 44,940 — a 1.9% lead for the Ryzen 9 7845HX. Cinebench R23 multi-core: 22,000 vs 26,654 (19.1% advantage for the Ryzen 9 7845HX). Geekbench 6 single-core — the metric most relevant to gaming — records 2,320 vs 2,697, a 15% lead for the Ryzen 9 7845HX that directly translates to higher frame rates. Multi-core Geekbench: 14,000 vs 15,039 (7.2% advantage for the Ryzen 9 7845HX). L3 cache: 64 MB on the Ryzen 9 5900XT vs 64 MB (total) on the Ryzen 9 7845HX.
| Feature | Ryzen 9 5900XT | Ryzen 9 7845HX |
|---|---|---|
| Cores / Threads | 16 / 32+33% | 12 / 24 |
| Boost Clock | 4.8 GHz | 5.2 GHz+8% |
| Base Clock | 3.3 GHz+10% | 3 GHz |
| L3 Cache | 64 MB | 64 MB (total) |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 7 nm | CCD = 5 nm, I/O = 6 nm-29% |
| Architecture | Vermeer (2020−2025) | Dragon Range-HX (Zen 4) (2023−2024) |
| PassMark | 44,105 | 44,940+2% |
| Cinebench R23 Multi | 22,000 | 26,654+21% |
| Geekbench 6 Single | 2,320 | 2,697+16% |
| Geekbench 6 Multi | 14,000 | 15,039+7% |
Memory & Platform
The Ryzen 9 5900XT uses the AM4 socket (PCIe 4.0), while the Ryzen 9 7845HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900XT versus DDR5-5200 on the Ryzen 9 7845HX — the Ryzen 9 7845HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900XT supports up to 128 GB of RAM compared to 64 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 9 5900XT) vs 28 (Ryzen 9 7845HX) — the Ryzen 9 7845HX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,A520,X470,B450 (Ryzen 9 5900XT) and FL1 (Ryzen 9 7845HX).
| Feature | Ryzen 9 5900XT | Ryzen 9 7845HX |
|---|---|---|
| Socket | AM4 | FL1 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | DDR5-5200+25% |
| Max RAM Capacity | 128 GB+100% | 64 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24 | 28+17% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7845HX supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 9 7845HX includes integrated graphics (Radeon 610M), while the Ryzen 9 5900XT requires a dedicated GPU. Primary use case: Ryzen 9 5900XT targets High End Desktop, Ryzen 9 7845HX targets High-end Gaming / Content Creation. Direct competitor: Ryzen 9 7845HX rivals Core i9-13900HX.
| Feature | Ryzen 9 5900XT | Ryzen 9 7845HX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon 610M |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | AMD-V |
| Target Use | High End Desktop | High-end Gaming / Content Creation |
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