CPU
GPU
Core i5-12450H
Ryzen 9 5900X
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 Core i5-12450H
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-12450H | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($350) |
| Longevity | ✨ Modern (Alder Lake-H (2022) / Intel 7 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i5-12450H | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($350) |
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 Core i5-12450H and Ryzen 9 5900X
Core i5-12450H
The Core i5-12450H is manufactured by Intel. It was released in Janeiro 2022 (3 years ago). It is based on the Alder Lake-H (2022) architecture. It features 8 cores and 12 threads. Base frequency is 2 GHz, with boost up to 4.4 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 45 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 16,133 points. Launch price was $299.
Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The Core i5-12450H packs 8 cores / 12 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 4 more cores. Boost clocks reach 4.4 GHz on the Core i5-12450H versus 4.8 GHz on the Ryzen 9 5900X — a 8.7% clock advantage for the Ryzen 9 5900X (base: 2 GHz vs 3.7 GHz). The Core i5-12450H uses the Alder Lake-H (2022) architecture (Intel 7 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core i5-12450H scores 16,133 against the Ryzen 9 5900X's 38,955 — a 82.9% lead for the Ryzen 9 5900X. Geekbench 6 single-core — the metric most relevant to gaming — records 2,100 vs 2,174, a 3.5% lead for the Ryzen 9 5900X that directly translates to higher frame rates. L3 cache: 12 MB (total) on the Core i5-12450H vs 64 MB on the Ryzen 9 5900X.
| Feature | Core i5-12450H | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 8 / 12 | 12 / 24+50% |
| Boost Clock | 4.4 GHz | 4.8 GHz+9% |
| Base Clock | 2 GHz | 3.7 GHz+85% |
| L3 Cache | 12 MB (total) | 64 MB+433% |
| L2 Cache | 1.25 MB (per core)+150% | 512K (per core) |
| Process | Intel 7 nm | 7 nm, 12 nm |
| Architecture | Alder Lake-H (2022) | Vermeer (Zen3) (2020−2022) |
| PassMark | 16,133 | 38,955+141% |
| Cinebench R23 Multi | — | 21,000 |
| Geekbench 6 Single | 2,100 | 2,174+4% |
| Geekbench 6 Multi | — | 11,888 |
Memory & Platform
The Core i5-12450H uses the FCBGA1744 socket (PCIe 5.0), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5-5200 on the Core i5-12450H versus DDR4-3200 on the Ryzen 9 5900X — the Core i5-12450H supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X 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: 28 (Core i5-12450H) vs 24 (Ryzen 9 5900X) — the Core i5-12450H offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM670,WM690 (Core i5-12450H) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Core i5-12450H | Ryzen 9 5900X |
|---|---|---|
| Socket | FCBGA1744 | AM4 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | LPDDR5-5200+25% | DDR4-3200 |
| Max RAM Capacity | 64 GB | 128 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 28+17% | 24 |
Advanced Features
Only the Ryzen 9 5900X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d, EPT (Core i5-12450H) vs AMD-V (Ryzen 9 5900X). The Core i5-12450H includes integrated graphics (UHD Graphics for 12th Gen), while the Ryzen 9 5900X requires a dedicated GPU. Primary use case: Core i5-12450H targets Performance Laptop, Ryzen 9 5900X targets Workstation. Direct competitor: Core i5-12450H rivals Ryzen 5 6600H; Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Core i5-12450H | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD Graphics for 12th Gen | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | AMD-V |
| Target Use | Performance Laptop | Workstation |
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