Core Ultra 7 265K vs Ryzen 7 7800X3D
Core Ultra 7 265K
Popular choices:
Ryzen 7 7800X3D
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 Ultra 7 265K
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 7 265K | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($285) | ⚠️ Higher cost ($384) |
| Longevity | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | Core Ultra 7 265K | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+131%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($285) | ⚠️ Higher cost ($384) |
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 Ultra 7 265K and Ryzen 7 7800X3D
Core Ultra 7 265K
The Core Ultra 7 265K is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 20 cores and 20 threads. Base frequency is 3.9 GHz, with boost up to 5.5 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 58,789 points. Launch price was $394.
Ryzen 7 7800X3D
The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
Processing Power
The Core Ultra 7 265K packs 20 cores / 20 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Core Ultra 7 265K has 12 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 7 265K versus 5 GHz on the Ryzen 7 7800X3D — a 9.5% clock advantage for the Core Ultra 7 265K (base: 3.9 GHz vs 4.4 GHz). The Core Ultra 7 265K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core Ultra 7 265K scores 58,789 against the Ryzen 7 7800X3D's 34,293 — a 52.6% lead for the Core Ultra 7 265K. Cinebench R23 multi-core: 36,309 vs 18,500 (65% advantage for the Core Ultra 7 265K). Geekbench 6 single-core — the metric most relevant to gaming — records 3,283 vs 2,700, a 19.5% lead for the Core Ultra 7 265K that directly translates to higher frame rates. Multi-core Geekbench: 22,293 vs 15,000 (39.1% advantage for the Core Ultra 7 265K). L3 cache: 30 MB (total) on the Core Ultra 7 265K vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | Core Ultra 7 265K | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 20 / 20+150% | 8 / 16 |
| Boost Clock | 5.5 GHz+10% | 5 GHz |
| Base Clock | 3.9 GHz | 4.4 GHz+13% |
| L3 Cache | 30 MB (total) | 96 MB (total)+220% |
| L2 Cache | 3 MB (per core)+200% | 1 MB (per core) |
| Process | 3 nm-40% | 5 nm |
| Architecture | Arrow Lake-S (2024−2025) | Raphael (Zen4) (2022−2023) |
| PassMark | 58,789+71% | 34,293 |
| Cinebench R23 Multi | 36,309+96% | 18,500 |
| Geekbench 6 Single | 3,283+22% | 2,700 |
| Geekbench 6 Multi | 22,293+49% | 15,000 |
Memory & Platform
The Core Ultra 7 265K uses the LGA1851 socket (PCIe 5.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Core Ultra 7 265K supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core Ultra 7 265K) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1851 (Core Ultra 7 265K) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | Core Ultra 7 265K | Ryzen 7 7800X3D |
|---|---|---|
| Socket | LGA1851 | AM5 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6400 | DDR5-5200 |
| Max RAM Capacity | 256 GB+100% | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 28+40% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core Ultra 7 265K) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics — Arc Graphics 64EU (Core Ultra 7 265K) and AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Core Ultra 7 265K | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Arc Graphics 64EU | AMD Radeon Graphics (2-core) |
| Unlocked | Yes | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | AMD-V |
| Target Use | — | Gaming |
Value Analysis
The Core Ultra 7 265K launched at $309 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($285 vs $384), the Core Ultra 7 265K is $99 cheaper. In terms of value (PassMark points per dollar), the Core Ultra 7 265K delivers 206.3 pts/$ vs 89.3 pts/$ for the Ryzen 7 7800X3D — making the Core Ultra 7 265K the 79.1% better value option.
| Feature | Core Ultra 7 265K | Ryzen 7 7800X3D |
|---|---|---|
| MSRP | $309-31% | $449 |
| Avg Price (30d) | $285-26% | $384 |
| Performance per Dollar | 206.3+131% | 89.3 |
| Release Date | 2024 | 2023 |
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