Core 2 Extreme X7800 vs Ryzen 7 7800X3D
Core 2 Extreme X7800
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. The Core 2 Extreme X7800 is positioned at rank #1145 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 2 Extreme X7800
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Extreme X7800 | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($384) |
| Longevity | 🛑 Legacy (Merom XE (2007) / 65 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | Core 2 Extreme X7800 | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ 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 2 Extreme X7800 and Ryzen 7 7800X3D
Core 2 Extreme X7800
The Core 2 Extreme X7800 is manufactured by Intel. It was released in 17 July 2007 (18 years ago). It is based on the Merom XE (2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB L2 Cache. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,138 points. Launch price was $851.
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 2 Extreme X7800 packs 2 cores / 2 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 6 more cores. Boost clocks reach 2.6 GHz on the Core 2 Extreme X7800 versus 5 GHz on the Ryzen 7 7800X3D — a 63.2% clock advantage for the Ryzen 7 7800X3D (base: 2.6 GHz vs 4.4 GHz). The Core 2 Extreme X7800 uses the Merom XE (2007) architecture (65 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core 2 Extreme X7800 scores 1,138 against the Ryzen 7 7800X3D's 34,293 — a 187.2% lead for the Ryzen 7 7800X3D. L3 cache: 4 MB L2 Cache on the Core 2 Extreme X7800 vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | Core 2 Extreme X7800 | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 2 / 2 | 8 / 16+300% |
| Boost Clock | 2.6 GHz | 5 GHz+92% |
| Base Clock | 2.6 GHz | 4.4 GHz+69% |
| L3 Cache | 4 MB L2 Cache | 96 MB (total)+2300% |
| L2 Cache | 4 MB+300% | 1 MB (per core) |
| Process | 65 nm | 5 nm-92% |
| Architecture | Merom XE (2007) | Raphael (Zen4) (2022−2023) |
| PassMark | 1,138 | 34,293+2913% |
| Cinebench R23 Multi | — | 18,500 |
| Geekbench 6 Single | — | 2,700 |
| Geekbench 6 Multi | — | 15,000 |
Memory & Platform
The Core 2 Extreme X7800 uses the PGA478 socket (PCIe 1.1), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Core 2 Extreme X7800 versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 85.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 4 GB — 187.9% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core 2 Extreme X7800) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Socket P (Core 2 Extreme X7800) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | Core 2 Extreme X7800 | Ryzen 7 7800X3D |
|---|---|---|
| Socket | PGA478 | AM5 |
| PCIe Generation | PCIe 1.1 | PCIe 5.0+355% |
| Max RAM Speed | DDR2-667 | DDR5-5200+150% |
| Max RAM Capacity | 4 GB | 128 GB+3100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 28+75% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x (Core 2 Extreme X7800) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Core 2 Extreme X7800 requires a dedicated GPU. Primary use case: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Core 2 Extreme X7800 | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | AMD Radeon Graphics (2-core) |
| Unlocked | Yes | Yes |
| AVX-512 | No | Yes |
| Virtualization | VT-x | AMD-V |
| Target Use | — | Gaming |
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