Xeon Gold 6246R vs Core Ultra 7 255H
Xeon Gold 6246R
Core Ultra 7 255H
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 Gold 6246R
Performance Per Dollar Core Ultra 7 255H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6246R | Core Ultra 7 255H |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) | ✨ Modern (Arrow Lake-H (2025) / 5 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6246R | Core Ultra 7 255H |
|---|---|---|
| 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 Gold 6246R and Core Ultra 7 255H
Xeon Gold 6246R
The Xeon Gold 6246R is manufactured by Intel. It was released in 24 February 2020 (5 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 16 cores and 32 threads. Base frequency is 3.4 GHz, with boost up to 4.1 GHz. L3 cache: 35.75 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 30,468 points. Launch price was $3,286.
Core Ultra 7 255H
The Core Ultra 7 255H is manufactured by Intel. It was released in 1 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 4.4 GHz, with boost up to 5.1 GHz. L3 cache: 24 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 26 MB + 24 MB. Memory support: DDR5-6400. Passmark benchmark score: 30,932 points. Launch price was $514.
Processing Power
The Xeon Gold 6246R packs 16 cores / 32 threads, matching the Core Ultra 7 255H's 16 cores. Boost clocks reach 4.1 GHz on the Xeon Gold 6246R versus 5.1 GHz on the Core Ultra 7 255H — a 21.7% clock advantage for the Core Ultra 7 255H (base: 3.4 GHz vs 4.4 GHz). The Xeon Gold 6246R uses the Cascade Lake (2019−2020) architecture (14 nm), while the Core Ultra 7 255H uses Arrow Lake-H (2025) (5 nm). In PassMark, the Xeon Gold 6246R scores 30,468 against the Core Ultra 7 255H's 30,932 — a 1.5% lead for the Core Ultra 7 255H. Geekbench 6 single-core — the metric most relevant to gaming — records 1,293 vs 2,800, a 73.6% lead for the Core Ultra 7 255H that directly translates to higher frame rates. Multi-core Geekbench: 9,848 vs 15,700 (45.8% advantage for the Core Ultra 7 255H). L3 cache: 35.75 MB on the Xeon Gold 6246R vs 24 MB on the Core Ultra 7 255H.
| Feature | Xeon Gold 6246R | Core Ultra 7 255H |
|---|---|---|
| Cores / Threads | 16 / 32 | 16 / 16 |
| Boost Clock | 4.1 GHz | 5.1 GHz+24% |
| Base Clock | 3.4 GHz | 4.4 GHz+29% |
| L3 Cache | 35.75 MB+49% | 24 MB |
| L2 Cache | 16 MB | — |
| Process | 14 nm | 5 nm-64% |
| Architecture | Cascade Lake (2019−2020) | Arrow Lake-H (2025) |
| PassMark | 30,468 | 30,932+2% |
| Cinebench R23 Multi | 16,000 | — |
| Geekbench 6 Single | 1,293 | 2,800+117% |
| Geekbench 6 Multi | 9,848 | 15,700+59% |
Memory & Platform
The Xeon Gold 6246R uses the LGA3647 socket (PCIe 3.0), while the Core Ultra 7 255H uses FCBGA2049 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2933 on the Xeon Gold 6246R versus DDR5-6400 on the Core Ultra 7 255H — the Core Ultra 7 255H supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6246R supports up to 1024 GB of RAM compared to 128 GB — 155.6% more capacity for professional workloads. Memory channels: 6 (Xeon Gold 6246R) vs 2 (Core Ultra 7 255H). PCIe lanes: 48 (Xeon Gold 6246R) vs 28 (Core Ultra 7 255H) — the Xeon Gold 6246R offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Lewisburg (Xeon Gold 6246R) and HM870,WM880 (Core Ultra 7 255H).
| Feature | Xeon Gold 6246R | Core Ultra 7 255H |
|---|---|---|
| Socket | LGA3647 | FCBGA2049 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2933 | DDR5-6400+25% |
| Max RAM Capacity | 1024 GB+700% | 128 GB |
| RAM Channels | 6+200% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 48+71% | 28 |
Advanced Features
Neither processor supports overclocking. Only the Xeon Gold 6246R supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d, EPT (Xeon Gold 6246R) vs VT-x, VT-d (Core Ultra 7 255H). The Core Ultra 7 255H includes integrated graphics (Intel Arc Graphics 140T), while the Xeon Gold 6246R requires a dedicated GPU. Primary use case: Xeon Gold 6246R targets High-frequency Server / Financial, Core Ultra 7 255H targets High-End Laptop. Direct competitor: Xeon Gold 6246R rivals EPYC 7302.
| Feature | Xeon Gold 6246R | Core Ultra 7 255H |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel Arc Graphics 140T |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d |
| Target Use | High-frequency Server / Financial | High-End Laptop |
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