Xeon D-2799 vs Core Ultra 9 285H
Xeon D-2799
Core Ultra 9 285H
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 Xeon D-2799
Performance Per Dollar Core Ultra 9 285H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon D-2799 | Core Ultra 9 285H |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Ice Lake-D (2022−2023) / 10 nm) | ✨ Modern (Arrow Lake-H (2025) / 3 nm) |
💎 Value Proposition
| Insight | Xeon D-2799 | Core Ultra 9 285H |
|---|---|---|
| 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 Xeon D-2799 and Core Ultra 9 285H
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.
Core Ultra 9 285H
The Core Ultra 9 285H is manufactured by Intel. It was released in 13 January 2025 (less than a year ago). It is based on the Arrow Lake-H (2025) architecture. It features 16 cores and 16 threads. Base frequency is 2.9 GHz, with boost up to 5.4 GHz. L3 cache: 24 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 45 Watt. Memory support: DDR5-6400. Passmark benchmark score: 34,327 points. Launch price was $651.
Processing Power
The Xeon D-2799 packs 20 cores / 40 threads, while the Core Ultra 9 285H offers 16 cores / 16 threads — the Xeon D-2799 has 4 more cores. Boost clocks reach 3.4 GHz on the Xeon D-2799 versus 5.4 GHz on the Core Ultra 9 285H — a 45.5% clock advantage for the Core Ultra 9 285H (base: 2.4 GHz vs 2.9 GHz). The Xeon D-2799 uses the Ice Lake-D (2022−2023) architecture (10 nm), while the Core Ultra 9 285H uses Arrow Lake-H (2025) (3 nm). In PassMark, the Xeon D-2799 scores 33,792 against the Core Ultra 9 285H's 34,327 — a 1.6% lead for the Core Ultra 9 285H. Cinebench R23 multi-core: 20,000 vs 26,500 (28% advantage for the Core Ultra 9 285H). Geekbench 6 single-core — the metric most relevant to gaming — records 1,959 vs 2,720, a 32.5% lead for the Core Ultra 9 285H that directly translates to higher frame rates. Multi-core Geekbench: 1,895 vs 15,330 (156% advantage for the Core Ultra 9 285H). L3 cache: 30 MB (total) on the Xeon D-2799 vs 24 MB (total) on the Core Ultra 9 285H.
| Feature | Xeon D-2799 | Core Ultra 9 285H |
|---|---|---|
| Cores / Threads | 20 / 40+25% | 16 / 16 |
| Boost Clock | 3.4 GHz | 5.4 GHz+59% |
| Base Clock | 2.4 GHz | 2.9 GHz+21% |
| L3 Cache | 30 MB (total)+25% | 24 MB (total) |
| L2 Cache | 1.25 MB (per core) | 3 MB (per core)+140% |
| Process | 10 nm | 3 nm-70% |
| Architecture | Ice Lake-D (2022−2023) | Arrow Lake-H (2025) |
| PassMark | 33,792 | 34,327+2% |
| Cinebench R23 Multi | 20,000 | 26,500+33% |
| Geekbench 6 Single | 1,959 | 2,720+39% |
| Geekbench 6 Multi | 1,895 | 15,330+709% |
Memory & Platform
The Xeon D-2799 uses the FCBGA2579 socket (PCIe 4.0), while the Core Ultra 9 285H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Xeon D-2799 versus LPDDR5x-8400, DDR5-6400 on the Core Ultra 9 285H — the Core Ultra 9 285H 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 192 GB — 136.8% more capacity for professional workloads. Memory channels: 4 (Xeon D-2799) vs 2 (Core Ultra 9 285H). PCIe lanes: 32 (Xeon D-2799) vs 28 (Core Ultra 9 285H) — the Xeon D-2799 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Ice Lake-D (Xeon D-2799) and SoC (Core Ultra 9 285H).
| Feature | Xeon D-2799 | Core Ultra 9 285H |
|---|---|---|
| Socket | FCBGA2579 | FCBGA2049 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | DDR4-3200 | LPDDR5x-8400, DDR5-6400+25% |
| Max RAM Capacity | 1024 GB+433% | 192 GB |
| RAM Channels | 4+100% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 32+14% | 28 |
Advanced Features
Neither processor supports overclocking. 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 Ultra 9 285H includes integrated graphics (Intel Arc 140T (8 Xe-cores)), while the Xeon D-2799 requires a dedicated GPU. Primary use case: Xeon D-2799 targets Edge Server / Networking, Core Ultra 9 285H targets High-end Mobile Workstation. Direct competitor: Xeon D-2799 rivals EPYC 7302; Core Ultra 9 285H rivals Ryzen AI 9 HX 375.
| Feature | Xeon D-2799 | Core Ultra 9 285H |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel Arc 140T (8 Xe-cores) |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d, EPT |
| Target Use | Edge Server / Networking | High-end Mobile Workstation |
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