Ryzen 9 8945H vs Ryzen 9 7940HS
Ryzen 9 8945H
Ryzen 9 7940HS
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 8945H
Performance Per Dollar Ryzen 9 7940HS
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 8945H | Ryzen 9 7940HS |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Hawk Point-HS (Zen 4) (2023−2024) / 4 nm) | ✨ Modern (Phoenix-HS (Zen 4) (2023) / 4 nm) |
💎 Value Proposition
| Insight | Ryzen 9 8945H | Ryzen 9 7940HS |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 8945H and Ryzen 9 7940HS
Ryzen 9 8945H
The Ryzen 9 8945H is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-HS (Zen 4) (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP7r2/FP8. Thermal design power (TDP): 8 MB + 16 MB. Memory support: DDR5. Passmark benchmark score: 30,240 points. Launch price was $499.
Ryzen 9 7940HS
The Ryzen 9 7940HS is manufactured by AMD. It was released in Janeiro 2023 (2 years ago). It is based on the Phoenix-HS (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 35 Watt. Memory support: DDR5. Passmark benchmark score: 29,986 points. Launch price was $299.
Processing Power
Both the Ryzen 9 8945H and Ryzen 9 7940HS share an identical 8-core/16-thread configuration. Boost clocks reach 5.2 GHz on the Ryzen 9 8945H versus 5.2 GHz on the Ryzen 9 7940HS — identical boost frequencies (base: 4 GHz vs 4 GHz). The Ryzen 9 8945H uses the Hawk Point-HS (Zen 4) (2023−2024) architecture (4 nm), while the Ryzen 9 7940HS uses Phoenix-HS (Zen 4) (2023) (4 nm). In PassMark, the Ryzen 9 8945H scores 30,240 against the Ryzen 9 7940HS's 29,986 — a 0.8% lead for the Ryzen 9 8945H. Cinebench R23 multi-core: 17,500 vs 17,443 (0.3% advantage for the Ryzen 9 8945H). Geekbench 6 single-core — the metric most relevant to gaming — records 2,617 vs 2,646, a 1.1% lead for the Ryzen 9 7940HS that directly translates to higher frame rates. Multi-core Geekbench: 12,662 vs 11,591 (8.8% advantage for the Ryzen 9 8945H). L3 cache: 16 MB on the Ryzen 9 8945H vs 16 MB (total) on the Ryzen 9 7940HS.
| Feature | Ryzen 9 8945H | Ryzen 9 7940HS |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 5.2 GHz | 5.2 GHz |
| Base Clock | 4 GHz | 4 GHz |
| L3 Cache | 16 MB | 16 MB (total) |
| L2 Cache | 8 MB+700% | 1 MB (per core) |
| Process | 4 nm | 4 nm |
| Architecture | Hawk Point-HS (Zen 4) (2023−2024) | Phoenix-HS (Zen 4) (2023) |
| PassMark | 30,240 | 29,986 |
| Cinebench R23 Multi | 17,500 | 17,443 |
| Geekbench 6 Single | 2,617 | 2,646+1% |
| Geekbench 6 Multi | 12,662+9% | 11,591 |
Memory & Platform
The Ryzen 9 8945H uses the FP7/FP7r2/FP8 socket (PCIe 4.0), while the Ryzen 9 7940HS uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-5600 memory speed. Both support up to 256 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes. Chipset compatibility: FP7,FP7r2,FP8 (Ryzen 9 8945H) and FP8,FP7 (Ryzen 9 7940HS).
| Feature | Ryzen 9 8945H | Ryzen 9 7940HS |
|---|---|---|
| Socket | FP7/FP7r2/FP8 | FP8 |
| PCIe Generation | PCIe 4.0 | PCIe 4.0 |
| Max RAM Speed | DDR5-5600 | DDR5-5600 |
| Max RAM Capacity | 256 GB | 256 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 20 | 20 |
Advanced Features
Only the Ryzen 9 7940HS 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. Both support AMD-V virtualization. Both include integrated graphics — Radeon 780M (Ryzen 9 8945H) and Radeon 780M (Ryzen 9 7940HS) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 9 8945H targets Gaming, Ryzen 9 7940HS targets Thin-and-light Performance. Direct competitor: Ryzen 9 8945H rivals Core i9-13900H; Ryzen 9 7940HS rivals Core i9-13900H.
| Feature | Ryzen 9 8945H | Ryzen 9 7940HS |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon 780M | Radeon 780M |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V | AMD-V |
| Target Use | Gaming | Thin-and-light Performance |
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