Core i9-12900HX vs Xeon D-2799
Core i9-12900HX
Xeon D-2799
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 i9-12900HX
Performance Per Dollar Xeon D-2799
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-12900HX | Xeon D-2799 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($606) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Alder Lake-HX (2022) / Intel 7 nm) | ✨ Modern (Ice Lake-D (2022−2023) / 10 nm) |
💎 Value Proposition
| Insight | Core i9-12900HX | Xeon D-2799 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($606) | ✅ More affordable ($0) |
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 i9-12900HX and Xeon D-2799
Core i9-12900HX
The Core i9-12900HX 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 2.3 GHz, with boost up to 5 GHz. L3 cache: 30 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: 33,018 points. Launch price was $499.
Xeon D-2799
The Xeon D-2799 is manufactured by Intel. It was released in 24 February 2022 (3 years ago). It is based on the Ice Lake-D (2022−2023) architecture. It features 20 cores and 40 threads. Base frequency is 2.4 GHz, with boost up to 3.4 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: FCBGA2579. Thermal design power (TDP): 129 Watt. Memory support: DDR4. Passmark benchmark score: 33,792 points. Launch price was $1,972.
Processing Power
The Core i9-12900HX packs 16 cores / 24 threads, while the Xeon D-2799 offers 20 cores / 40 threads — the Xeon D-2799 has 4 more cores. Boost clocks reach 5 GHz on the Core i9-12900HX versus 3.4 GHz on the Xeon D-2799 — a 38.1% clock advantage for the Core i9-12900HX (base: 2.3 GHz vs 2.4 GHz). The Core i9-12900HX uses the Alder Lake-HX (2022) architecture (Intel 7 nm), while the Xeon D-2799 uses Ice Lake-D (2022−2023) (10 nm). In PassMark, the Core i9-12900HX scores 33,018 against the Xeon D-2799's 33,792 — a 2.3% lead for the Xeon D-2799. Cinebench R23 multi-core: 23,150 vs 20,000 (14.6% advantage for the Core i9-12900HX). Geekbench 6 single-core — the metric most relevant to gaming — records 2,426 vs 1,959, a 21.3% lead for the Core i9-12900HX that directly translates to higher frame rates. Multi-core Geekbench: 14,620 vs 1,895 (154.1% advantage for the Core i9-12900HX). Both processors carry 30 MB (total) of L3 cache.
| Feature | Core i9-12900HX | Xeon D-2799 |
|---|---|---|
| Cores / Threads | 16 / 24 | 20 / 40+25% |
| Boost Clock | 5 GHz+47% | 3.4 GHz |
| Base Clock | 2.3 GHz | 2.4 GHz+4% |
| L3 Cache | 30 MB (total) | 30 MB (total) |
| L2 Cache | 1.25 MB (per core) | 1.25 MB (per core) |
| Process | Intel 7 nm-30% | 10 nm |
| Architecture | Alder Lake-HX (2022) | Ice Lake-D (2022−2023) |
| PassMark | 33,018 | 33,792+2% |
| Cinebench R23 Multi | 23,150+16% | 20,000 |
| Geekbench 6 Single | 2,426+24% | 1,959 |
| Geekbench 6 Multi | 14,620+672% | 1,895 |
Memory & Platform
The Core i9-12900HX uses the FCBGA1964 socket (PCIe 5.0), while the Xeon D-2799 uses FCBGA2579 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i9-12900HX versus DDR4-3200 on the Xeon D-2799 — the Core i9-12900HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon D-2799 supports up to 1024 GB of RAM compared to 128 GB — 155.6% more capacity for professional workloads. Memory channels: 2 (Core i9-12900HX) vs 4 (Xeon D-2799). PCIe lanes: 48 (Core i9-12900HX) vs 32 (Xeon D-2799) — the Core i9-12900HX offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM670,WM690 (Core i9-12900HX) and Ice Lake-D (Xeon D-2799).
| Feature | Core i9-12900HX | Xeon D-2799 |
|---|---|---|
| Socket | FCBGA1964 | FCBGA2579 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-4800, DDR4-3200+25% | DDR4-3200 |
| Max RAM Capacity | 128 GB | 1024 GB+700% |
| RAM Channels | 2 | 4+100% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 48+50% | 32 |
Advanced Features
Only the Core i9-12900HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon D-2799 supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d, EPT virtualization. The Core i9-12900HX includes integrated graphics (UHD Graphics 770), while the Xeon D-2799 requires a dedicated GPU. Primary use case: Core i9-12900HX targets High-end Mobile Performance, Xeon D-2799 targets Edge Server / Networking. Direct competitor: Core i9-12900HX rivals Ryzen 9 6900HX; Xeon D-2799 rivals EPYC 7302.
| Feature | Core i9-12900HX | Xeon D-2799 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD Graphics 770 | — |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d, EPT |
| Target Use | High-end Mobile Performance | Edge Server / Networking |
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