
Core 2 Extreme X9000

A9-9420e
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. The Core 2 Extreme X9000 is positioned at rank 915 and the A9-9420e is on rank 833, so the A9-9420e offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core 2 Extreme X9000
Performance Per Dollar A9-9420e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Extreme X9000 | A9-9420e |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | ✨ Modern (Stoney Ridge (2016−2019) / 28 nm) |
💎 Value Proposition
| Insight | Core 2 Extreme X9000 | A9-9420e |
|---|---|---|
| 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 Core 2 Extreme X9000 and A9-9420e

Core 2 Extreme X9000
The Core 2 Extreme X9000 is manufactured by Intel. It was released in 10 January 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,108 points. Launch price was $851.

A9-9420e
The A9-9420e is manufactured by AMD. It was released in 1 June 2018 (7 years ago). It is based on the Stoney Ridge (2016−2019) architecture. It features 2 cores and 2 threads. Max frequency: 2.5 GHz. L2 cache: 1 MB. Built on 28 nm process technology. Socket: BGA. Thermal design power (TDP): 1 MB. Memory support: DDR4. Passmark benchmark score: 1,101 points. Launch price was $69.
Processing Power
Both the Core 2 Extreme X9000 and A9-9420e share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Core 2 Extreme X9000 versus 2.5 GHz on the A9-9420e — a 11.3% clock advantage for the Core 2 Extreme X9000. The Core 2 Extreme X9000 uses the Penryn (2008−2011) architecture (45 nm), while the A9-9420e uses Stoney Ridge (2016−2019) (28 nm). In PassMark, the Core 2 Extreme X9000 scores 1,108 against the A9-9420e's 1,101 — a 0.6% lead for the Core 2 Extreme X9000.
| Feature | Core 2 Extreme X9000 | A9-9420e |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz+12% | 2.5 GHz |
| Base Clock | 2.8 GHz | — |
| L3 Cache | 6 MB L2 Cache | — |
| L2 Cache | 6 MB+500% | 1 MB |
| Process | 45 nm | 28 nm-38% |
| Architecture | Penryn (2008−2011) | Stoney Ridge (2016−2019) |
| PassMark | 1,108 | 1,101 |
Memory & Platform
The Core 2 Extreme X9000 uses the PGA478 socket (PCIe 1.1), while the A9-9420e uses BGA (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Extreme X9000 | A9-9420e |
|---|---|---|
| Socket | PGA478 | BGA |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | — | 2133 |
| Max RAM Capacity | — | 16 |
| RAM Channels | — | 1 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 4 |
Advanced Features
Virtualization: not specified (Core 2 Extreme X9000) / true (A9-9420e). The A9-9420e includes integrated graphics (Radeon R5 Graphics), while the Core 2 Extreme X9000 requires a dedicated GPU. Direct competitor: A9-9420e rivals Pentium N4200.
| Feature | Core 2 Extreme X9000 | A9-9420e |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon R5 Graphics |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | true |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.

















