Core 2 Extreme QX9770 vs Ryzen 9 5900X
Core 2 Extreme QX9770
Ryzen 9 5900X
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 QX9770 is positioned at rank #1088 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 QX9770
Performance Per Dollar Ryzen 9 5900X
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Extreme QX9770 | Ryzen 9 5900X |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($1,399) | ✅ More affordable ($350) |
| Longevity | 🛑 Legacy (Yorkfield (2007−2009) / 45 nm) | ✨ Modern (Vermeer (Zen3) (2020−2022) / 7 nm, 12 nm) |
💎 Value Proposition
| Insight | Core 2 Extreme QX9770 | Ryzen 9 5900X |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+3277%) |
| Upfront Cost | ⚠️ Higher cost ($1,399) | ✅ More affordable ($350) |
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 QX9770 and Ryzen 9 5900X
Core 2 Extreme QX9770
The Core 2 Extreme QX9770 is manufactured by Intel. It was released in 2008-01-01. It is based on the Yorkfield (2007−2009) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 12 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 136 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 4,611 points. Launch price was $249.
Ryzen 9 5900X
The Ryzen 9 5900X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen3) (2020−2022) architecture. It features 12 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 38,955 points. Launch price was $549.
Processing Power
The Core 2 Extreme QX9770 packs 4 cores / 4 threads, while the Ryzen 9 5900X offers 12 cores / 24 threads — the Ryzen 9 5900X has 8 more cores. Boost clocks reach 3.2 GHz on the Core 2 Extreme QX9770 versus 4.8 GHz on the Ryzen 9 5900X — a 40% clock advantage for the Ryzen 9 5900X (base: 3.2 GHz vs 3.7 GHz). The Core 2 Extreme QX9770 uses the Yorkfield (2007−2009) architecture (45 nm), while the Ryzen 9 5900X uses Vermeer (Zen3) (2020−2022) (7 nm, 12 nm). In PassMark, the Core 2 Extreme QX9770 scores 4,611 against the Ryzen 9 5900X's 38,955 — a 157.7% lead for the Ryzen 9 5900X. Cinebench R23 multi-core: 2,200 vs 21,000 (162.1% advantage for the Ryzen 9 5900X). Geekbench 6 single-core — the metric most relevant to gaming — records 451 vs 2,174, a 131.3% lead for the Ryzen 9 5900X that directly translates to higher frame rates. Multi-core Geekbench: 1,583 vs 11,888 (153% advantage for the Ryzen 9 5900X). L3 cache: 0 kB on the Core 2 Extreme QX9770 vs 64 MB on the Ryzen 9 5900X.
| Feature | Core 2 Extreme QX9770 | Ryzen 9 5900X |
|---|---|---|
| Cores / Threads | 4 / 4 | 12 / 24+200% |
| Boost Clock | 3.2 GHz | 4.8 GHz+50% |
| Base Clock | 3.2 GHz | 3.7 GHz+16% |
| L3 Cache | 0 kB | 64 MB |
| L2 Cache | 12 MB (total)+2300% | 512K (per core) |
| Process | 45 nm | 7 nm, 12 nm-84% |
| Architecture | Yorkfield (2007−2009) | Vermeer (Zen3) (2020−2022) |
| PassMark | 4,611 | 38,955+745% |
| Cinebench R23 Multi | 2,200 | 21,000+855% |
| Geekbench 6 Single | 451 | 2,174+382% |
| Geekbench 6 Multi | 1,583 | 11,888+651% |
Memory & Platform
The Core 2 Extreme QX9770 uses the LGA775 socket (PCIe 1.1), while the Ryzen 9 5900X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the Core 2 Extreme QX9770 versus DDR4-3200 on the Ryzen 9 5900X — the Ryzen 9 5900X supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900X supports up to 128 GB of RAM compared to 16 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core 2 Extreme QX9770) vs 24 (Ryzen 9 5900X) — the Ryzen 9 5900X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X48,X38,P45 (Core 2 Extreme QX9770) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 9 5900X).
| Feature | Core 2 Extreme QX9770 | Ryzen 9 5900X |
|---|---|---|
| Socket | LGA775 | AM4 |
| PCIe Generation | PCIe 1.1 | PCIe 4.0+264% |
| Max RAM Speed | DDR3-1600 | DDR4-3200+33% |
| Max RAM Capacity | 16 GB | 128 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 24+50% |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: VT-x (Core 2 Extreme QX9770) vs AMD-V (Ryzen 9 5900X). Primary use case: Core 2 Extreme QX9770 targets Enthusiast, Ryzen 9 5900X targets Workstation. Direct competitor: Ryzen 9 5900X rivals Core i9-12900K.
| Feature | Core 2 Extreme QX9770 | Ryzen 9 5900X |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Enthusiast | Workstation |
Value Analysis
The Core 2 Extreme QX9770 launched at $1399 MSRP, while the Ryzen 9 5900X debuted at $549. At current prices ($1399 vs $350), the Ryzen 9 5900X is $1049 cheaper. In terms of value (PassMark points per dollar), the Core 2 Extreme QX9770 delivers 3.3 pts/$ vs 111.3 pts/$ for the Ryzen 9 5900X — making the Ryzen 9 5900X the 188.5% better value option.
| Feature | Core 2 Extreme QX9770 | Ryzen 9 5900X |
|---|---|---|
| MSRP | $1399 | $549-61% |
| Avg Price (30d) | $1399 | $350-75% |
| Performance per Dollar | 3.3 | 111.3+3273% |
| Release Date | 2008 | 2020 |
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