Core i7-13700K vs Core Ultra 7 255HX
Core i7-13700K
Core Ultra 7 255HX
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 i7-13700K
Performance Per Dollar Core Ultra 7 255HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-13700K | Core Ultra 7 255HX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($400) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Raptor Lake, Raptor Cove, Gracemont (2022) / Intel 7 nm) | ✨ Modern (Arrow Lake-HX (2025) / 3 nm) |
💎 Value Proposition
| Insight | Core i7-13700K | Core Ultra 7 255HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($400) | ✅ 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 i7-13700K and Core Ultra 7 255HX
Core i7-13700K
The Core i7-13700K is manufactured by Intel. It was released in 27 September 2022 (3 years ago). It is based on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. It features 16 cores and 24 threads. Base frequency is 3.4 GHz, with boost up to 5.4 GHz. L3 cache: 30 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 45,784 points. Launch price was $409.
Core Ultra 7 255HX
The Core Ultra 7 255HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 20 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 5.2 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: FCBGA2114. Thermal design power (TDP): 55 Watt. Memory support: DDR5-6400. Passmark benchmark score: 49,765 points. Launch price was $450.
Processing Power
The Core i7-13700K packs 16 cores / 24 threads, while the Core Ultra 7 255HX offers 20 cores / 20 threads — the Core Ultra 7 255HX has 4 more cores. Boost clocks reach 5.4 GHz on the Core i7-13700K versus 5.2 GHz on the Core Ultra 7 255HX — a 3.8% clock advantage for the Core i7-13700K (base: 3.4 GHz vs 2.4 GHz). The Core i7-13700K uses the Raptor Lake, Raptor Cove, Gracemont (2022) architecture (Intel 7 nm), while the Core Ultra 7 255HX uses Arrow Lake-HX (2025) (3 nm). In PassMark, the Core i7-13700K scores 45,784 against the Core Ultra 7 255HX's 49,765 — a 8.3% lead for the Core Ultra 7 255HX. Geekbench 6 single-core — the metric most relevant to gaming — records 2,846 vs 2,923, a 2.7% lead for the Core Ultra 7 255HX that directly translates to higher frame rates. Multi-core Geekbench: 18,980 vs 16,885 (11.7% advantage for the Core i7-13700K). Both processors carry 30 MB (total) of L3 cache.
| Feature | Core i7-13700K | Core Ultra 7 255HX |
|---|---|---|
| Cores / Threads | 16 / 24 | 20 / 20+25% |
| Boost Clock | 5.4 GHz+4% | 5.2 GHz |
| Base Clock | 3.4 GHz+42% | 2.4 GHz |
| L3 Cache | 30 MB (total) | 30 MB (total) |
| L2 Cache | 2 MB (per core) | 3 MB (per core)+50% |
| Process | Intel 7 nm | 3 nm-57% |
| Architecture | Raptor Lake, Raptor Cove, Gracemont (2022) | Arrow Lake-HX (2025) |
| PassMark | 45,784 | 49,765+9% |
| Cinebench R23 Multi | 31,000 | — |
| Geekbench 6 Single | 2,846 | 2,923+3% |
| Geekbench 6 Multi | 18,980+12% | 16,885 |
Memory & Platform
The Core i7-13700K uses the LGA1700 socket (PCIe 5.0), while the Core Ultra 7 255HX uses FCBGA2114 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-5600 memory speed. Both support up to 192 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i7-13700K) vs 24 (Core Ultra 7 255HX) — the Core Ultra 7 255HX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel Z790,Intel H770,Intel B760,Intel Z690,Intel H670,Intel B660,Intel H610 (Core i7-13700K) and Intel HM870,Intel WM880 (Core Ultra 7 255HX).
| Feature | Core i7-13700K | Core Ultra 7 255HX |
|---|---|---|
| Socket | LGA1700 | FCBGA2114 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5600 | DDR5-6400 |
| Max RAM Capacity | 192 GB | 192 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 20 | 24+20% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support true virtualization. Both include integrated graphics — Intel UHD Graphics 770 (Core i7-13700K) and Intel Arc Xe-LPG (Core Ultra 7 255HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core i7-13700K rivals Ryzen 9 7900X; Core Ultra 7 255HX rivals Ryzen 9 9850HX.
| Feature | Core i7-13700K | Core Ultra 7 255HX |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel UHD Graphics 770 | Intel Arc Xe-LPG |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | true | true |
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