Core i7-12800HX vs Ryzen 9 PRO 3900
Core i7-12800HX
Ryzen 9 PRO 3900
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 i7-12800HX
Performance Per Dollar Ryzen 9 PRO 3900
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-12800HX | Ryzen 9 PRO 3900 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($200) |
| Longevity | ✨ Modern (Alder Lake-HX (2022) / Intel 7 nm) | ✨ Modern (Zen 2 (2017−2020) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core i7-12800HX | Ryzen 9 PRO 3900 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($200) |
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 i7-12800HX and Ryzen 9 PRO 3900
Core i7-12800HX
The Core i7-12800HX is manufactured by Intel. It was released in 10 May 2022 (3 years ago). It is based on the Alder Lake-HX (2022) architecture. It features 16 cores and 24 threads. Base frequency is 2 GHz, with boost up to 4.8 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): 55 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 31,229 points. Launch price was $499.
Ryzen 9 PRO 3900
The Ryzen 9 PRO 3900 is manufactured by AMD. It was released in 30 September 2019 (6 years ago). It is based on the Zen 2 (2017−2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.1 GHz, with boost up to 4.3 GHz. L3 cache: 64 MB. L2 cache: 6 MB. Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 31,251 points. Launch price was $499.
Processing Power
The Core i7-12800HX packs 16 cores / 24 threads, while the Ryzen 9 PRO 3900 offers 12 cores / 24 threads — the Core i7-12800HX has 4 more cores. Boost clocks reach 4.8 GHz on the Core i7-12800HX versus 4.3 GHz on the Ryzen 9 PRO 3900 — a 11% clock advantage for the Core i7-12800HX (base: 2 GHz vs 3.1 GHz). The Core i7-12800HX uses the Alder Lake-HX (2022) architecture (Intel 7 nm), while the Ryzen 9 PRO 3900 uses Zen 2 (2017−2020) (7 nm, 12 nm). In PassMark, the Core i7-12800HX scores 31,229 against the Ryzen 9 PRO 3900's 31,251 — a 0.1% lead for the Ryzen 9 PRO 3900. Cinebench R23 multi-core: 18,680 vs 17,500 (6.5% advantage for the Core i7-12800HX). Geekbench 6 single-core — the metric most relevant to gaming — records 1,962 vs 1,688, a 15% lead for the Core i7-12800HX that directly translates to higher frame rates. Multi-core Geekbench: 15,000 vs 10,000 (40% advantage for the Core i7-12800HX). L3 cache: 25 MB (total) on the Core i7-12800HX vs 64 MB on the Ryzen 9 PRO 3900.
| Feature | Core i7-12800HX | Ryzen 9 PRO 3900 |
|---|---|---|
| Cores / Threads | 16 / 24+33% | 12 / 24 |
| Boost Clock | 4.8 GHz+12% | 4.3 GHz |
| Base Clock | 2 GHz | 3.1 GHz+55% |
| L3 Cache | 25 MB (total) | 64 MB+156% |
| L2 Cache | 1.25 MB (per core) | 6 MB+380% |
| Process | Intel 7 nm | 7 nm, 12 nm |
| Architecture | Alder Lake-HX (2022) | Zen 2 (2017−2020) |
| PassMark | 31,229 | 31,251 |
| Cinebench R23 Multi | 18,680+7% | 17,500 |
| Geekbench 6 Single | 1,962+16% | 1,688 |
| Geekbench 6 Multi | 15,000+50% | 10,000 |
Memory & Platform
The Core i7-12800HX uses the FCBGA1964 socket (PCIe 5.0), while the Ryzen 9 PRO 3900 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Core i7-12800HX versus DDR4-3200 on the Ryzen 9 PRO 3900 — the Core i7-12800HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-12800HX) vs 24 (Ryzen 9 PRO 3900) — the Ryzen 9 PRO 3900 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM670,WM690 (Core i7-12800HX) and X570,B550,X470,B450 (Ryzen 9 PRO 3900).
| Feature | Core i7-12800HX | Ryzen 9 PRO 3900 |
|---|---|---|
| Socket | FCBGA1964 | AM4 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-4800+25% | DDR4-3200 |
| Max RAM Capacity | 128 GB | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 20 | 24+20% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x, VT-d, EPT (Core i7-12800HX) vs AMD-V (Ryzen 9 PRO 3900). The Core i7-12800HX includes integrated graphics (Intel UHD Graphics 770), while the Ryzen 9 PRO 3900 requires a dedicated GPU. Primary use case: Core i7-12800HX targets Extreme Gaming Laptop, Ryzen 9 PRO 3900 targets Professional Content Creation. Direct competitor: Core i7-12800HX rivals Ryzen 7 6800HX; Ryzen 9 PRO 3900 rivals Core i9-10900.
| Feature | Core i7-12800HX | Ryzen 9 PRO 3900 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 770 | — |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | AMD-V |
| Target Use | Extreme Gaming Laptop | Professional Content Creation |
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