
Ryzen 9 8945H vs Core i9-9990XE

Ryzen 9 8945H

Core i9-9990XE
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 Core i9-9990XE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 8945H | Core i9-9990XE |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($2,000) |
| Longevity | ✨ Modern (Hawk Point-HS (Zen 4) (2023−2024) / 4 nm) | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) |
💎 Value Proposition
| Insight | Ryzen 9 8945H | Core i9-9990XE |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($2,000) |
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 Core i9-9990XE

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.

Core i9-9990XE
The Core i9-9990XE is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 14 cores and 28 threads. Base frequency is 4 GHz, with boost up to 5.1 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 255 Watt. Memory support: DDR4 Quad-channel. Passmark benchmark score: 30,162 points. Launch price was $2,800.
Processing Power
The Ryzen 9 8945H packs 8 cores / 16 threads, while the Core i9-9990XE offers 14 cores / 28 threads — the Core i9-9990XE has 6 more cores. Boost clocks reach 5.2 GHz on the Ryzen 9 8945H versus 5.1 GHz on the Core i9-9990XE — a 1.9% clock advantage for the Ryzen 9 8945H (base: 4 GHz vs 4 GHz). The Ryzen 9 8945H uses the Hawk Point-HS (Zen 4) (2023−2024) architecture (4 nm), while the Core i9-9990XE uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Ryzen 9 8945H scores 30,240 against the Core i9-9990XE's 30,162 — a 0.3% lead for the Ryzen 9 8945H. Geekbench 6 single-core — the metric most relevant to gaming — records 2,617 vs 1,392, a 61.1% lead for the Ryzen 9 8945H that directly translates to higher frame rates. Multi-core Geekbench: 12,662 vs 16,199 (24.5% advantage for the Core i9-9990XE). L3 cache: 16 MB on the Ryzen 9 8945H vs 19.25 MB (total) on the Core i9-9990XE.
| Feature | Ryzen 9 8945H | Core i9-9990XE |
|---|---|---|
| Cores / Threads | 8 / 16 | 14 / 28+75% |
| Boost Clock | 5.2 GHz+2% | 5.1 GHz |
| Base Clock | 4 GHz | 4 GHz |
| L3 Cache | 16 MB | 19.25 MB (total)+20% |
| L2 Cache | 8 MB+700% | 1 MB (per core) |
| Process | 4 nm-71% | 14 nm |
| Architecture | Hawk Point-HS (Zen 4) (2023−2024) | Skylake (server) (2017−2018) |
| PassMark | 30,240 | 30,162 |
| Cinebench R23 Multi | 17,500 | — |
| Geekbench 6 Single | 2,617+88% | 1,392 |
| Geekbench 6 Multi | 12,662 | 16,199+28% |
Memory & Platform
The Ryzen 9 8945H uses the FP7/FP7r2/FP8 socket (PCIe 4.0), while the Core i9-9990XE uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 8945H versus DDR4-2666 on the Core i9-9990XE — the Ryzen 9 8945H supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 8945H supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 8945H) vs 4 (Core i9-9990XE). PCIe lanes: 20 (Ryzen 9 8945H) vs 44 (Core i9-9990XE) — the Core i9-9990XE offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FP7,FP7r2,FP8 (Ryzen 9 8945H) and X299 (Core i9-9990XE).
| Feature | Ryzen 9 8945H | Core i9-9990XE |
|---|---|---|
| Socket | FP7/FP7r2/FP8 | LGA2066 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR5-5600+25% | DDR4-2666 |
| Max RAM Capacity | 256 GB+100% | 128 GB |
| RAM Channels | 2 | 4+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 20 | 44+120% |
Advanced Features
Only the Core i9-9990XE 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: AMD-V (Ryzen 9 8945H) vs VT-x, VT-d (Core i9-9990XE). The Ryzen 9 8945H includes integrated graphics (Radeon 780M), while the Core i9-9990XE requires a dedicated GPU. Primary use case: Ryzen 9 8945H targets Gaming, Core i9-9990XE targets HEDT. Direct competitor: Ryzen 9 8945H rivals Core i9-13900H; Core i9-9990XE rivals Threadripper 2970WX.
| Feature | Ryzen 9 8945H | Core i9-9990XE |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon 780M | — |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V | VT-x, VT-d |
| Target Use | Gaming | HEDT |
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