Ryzen 7 8745HX vs Ryzen Threadripper PRO 3945WX
Ryzen 7 8745HX
Ryzen Threadripper PRO 3945WX
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 8745HX
Performance Per Dollar Ryzen Threadripper PRO 3945WX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 7 8745HX | Ryzen Threadripper PRO 3945WX |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
| Longevity | ✨ Modern (Dragon Range (2025) / 5 nm) | ✨ Modern (Castle Peak (2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Ryzen 7 8745HX | Ryzen Threadripper PRO 3945WX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($100) |
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 8745HX and Ryzen Threadripper PRO 3945WX
Ryzen 7 8745HX
The Ryzen 7 8745HX 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 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 5.1 GHz. L3 cache: 32 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: 32,620 points. Launch price was $499.
Ryzen Threadripper PRO 3945WX
The Ryzen Threadripper PRO 3945WX is manufactured by AMD. It was released in 14 July 2020 (5 years ago). It is based on the Castle Peak (2020) architecture. It features 12 cores and 24 threads. Base frequency is 4 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm, 12 nm process technology. Socket: sWRX8. Thermal design power (TDP): 280 Watt. Memory support: DDR4-3200. Passmark benchmark score: 33,455 points. Launch price was $499.
Processing Power
The Ryzen 7 8745HX packs 8 cores / 16 threads, while the Ryzen Threadripper PRO 3945WX offers 12 cores / 24 threads — the Ryzen Threadripper PRO 3945WX has 4 more cores. Boost clocks reach 5.1 GHz on the Ryzen 7 8745HX versus 4.3 GHz on the Ryzen Threadripper PRO 3945WX — a 17% clock advantage for the Ryzen 7 8745HX (base: 3.6 GHz vs 4 GHz). The Ryzen 7 8745HX uses the Dragon Range (2025) architecture (5 nm), while the Ryzen Threadripper PRO 3945WX uses Castle Peak (2020) (7 nm, 12 nm). In PassMark, the Ryzen 7 8745HX scores 32,620 against the Ryzen Threadripper PRO 3945WX's 33,455 — a 2.5% lead for the Ryzen Threadripper PRO 3945WX. Cinebench R23 multi-core: 18,000 vs 18,500 (2.7% advantage for the Ryzen Threadripper PRO 3945WX). Geekbench 6 single-core — the metric most relevant to gaming — records 2,700 vs 1,652, a 48.2% lead for the Ryzen 7 8745HX that directly translates to higher frame rates. Multi-core Geekbench: 13,500 vs 11,500 (16% advantage for the Ryzen 7 8745HX). L3 cache: 32 MB (total) on the Ryzen 7 8745HX vs 64 MB on the Ryzen Threadripper PRO 3945WX.
| Feature | Ryzen 7 8745HX | Ryzen Threadripper PRO 3945WX |
|---|---|---|
| Cores / Threads | 8 / 16 | 12 / 24+50% |
| Boost Clock | 5.1 GHz+19% | 4.3 GHz |
| Base Clock | 3.6 GHz | 4 GHz+11% |
| L3 Cache | 32 MB (total) | 64 MB+100% |
| L2 Cache | 1 MB (per core)+100% | 512 kB (per core) |
| Process | 5 nm-29% | 7 nm, 12 nm |
| Architecture | Dragon Range (2025) | Castle Peak (2020) |
| PassMark | 32,620 | 33,455+3% |
| Cinebench R23 Multi | 18,000 | 18,500+3% |
| Geekbench 6 Single | 2,700+63% | 1,652 |
| Geekbench 6 Multi | 13,500+17% | 11,500 |
Memory & Platform
The Ryzen 7 8745HX uses the FL1 socket (PCIe 4.0), while the Ryzen Threadripper PRO 3945WX uses sWRX8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5200 on the Ryzen 7 8745HX versus DDR4-3200 on the Ryzen Threadripper PRO 3945WX — the Ryzen 7 8745HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen Threadripper PRO 3945WX supports up to 2048 GB of RAM compared to 64 GB — 187.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 7 8745HX) vs 8 (Ryzen Threadripper PRO 3945WX). PCIe lanes: 28 (Ryzen 7 8745HX) vs 128 (Ryzen Threadripper PRO 3945WX) — the Ryzen Threadripper PRO 3945WX offers 100 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FL1 (Ryzen 7 8745HX) and WRX80 (Ryzen Threadripper PRO 3945WX).
| Feature | Ryzen 7 8745HX | Ryzen Threadripper PRO 3945WX |
|---|---|---|
| Socket | FL1 | sWRX8 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR5-5200+25% | DDR4-3200 |
| Max RAM Capacity | 64 GB | 2048 GB+3100% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 28 | 128+357% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 7 8745HX supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 7 8745HX includes integrated graphics (Radeon 610M), while the Ryzen Threadripper PRO 3945WX requires a dedicated GPU. Primary use case: Ryzen 7 8745HX targets High-end Gaming Laptop, Ryzen Threadripper PRO 3945WX targets Professional Workstation. Direct competitor: Ryzen 7 8745HX rivals Core i7-14700HX; Ryzen Threadripper PRO 3945WX rivals Xeon w5-2455X.
| Feature | Ryzen 7 8745HX | Ryzen Threadripper PRO 3945WX |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon 610M | — |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | High-end Gaming Laptop | Professional Workstation |
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