
Core 2 Duo P8400 vs A10-9620P

Core 2 Duo P8400

A10-9620P
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 Duo P8400 is positioned at rank 33 and the A10-9620P is on rank 537, so the Core 2 Duo P8400 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 Duo P8400
Performance Per Dollar A10-9620P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo P8400 | A10-9620P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | ✨ Modern (Bristol Ridge (2016−2019) / 28 nm) |
💎 Value Proposition
| Insight | Core 2 Duo P8400 | A10-9620P |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ 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 2 Duo P8400 and A10-9620P

Core 2 Duo P8400
The Core 2 Duo P8400 is manufactured by Intel. It was released in 15 July 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.26 GHz, with boost up to 2.26 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,497 points. Launch price was $209.

A10-9620P
The A10-9620P is manufactured by AMD. It was released in 2014-01-01. It is based on the Bristol Ridge (2016−2019) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 3.4 GHz. L2 cache: 2 MB. Built on 28 nm process technology. Socket: FP4. Thermal design power (TDP): 2 MB. Memory support: DDR3, DDR4. Passmark benchmark score: 2,514 points. Launch price was $130.
Processing Power
The Core 2 Duo P8400 packs 2 cores / 2 threads, while the A10-9620P offers 4 cores / 4 threads — the A10-9620P has 2 more cores. Boost clocks reach 2.26 GHz on the Core 2 Duo P8400 versus 3.4 GHz on the A10-9620P — a 40.3% clock advantage for the A10-9620P (base: 2.26 GHz vs 2.5 GHz). The Core 2 Duo P8400 uses the Penryn (2008−2011) architecture (45 nm), while the A10-9620P uses Bristol Ridge (2016−2019) (28 nm). In PassMark, the Core 2 Duo P8400 scores 2,497 against the A10-9620P's 2,514 — a 0.7% lead for the A10-9620P.
| Feature | Core 2 Duo P8400 | A10-9620P |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.26 GHz | 3.4 GHz+50% |
| Base Clock | 2.26 GHz | 2.5 GHz+11% |
| L3 Cache | 3 MB L2 Cache | — |
| L2 Cache | 3 MB+50% | 2 MB |
| Process | 45 nm | 28 nm-38% |
| Architecture | Penryn (2008−2011) | Bristol Ridge (2016−2019) |
| PassMark | 2,497 | 2,514 |
| Geekbench 6 Single | — | 485 |
Memory & Platform
The Core 2 Duo P8400 uses the PGA478 socket (PCIe 1.1), while the A10-9620P uses FP4 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Core 2 Duo P8400 versus DDR4-1866 on the A10-9620P — the Core 2 Duo P8400 supports 198.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A10-9620P supports up to 64 GB of RAM compared to 8 — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo P8400) vs 8 (A10-9620P) — the A10-9620P offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | Core 2 Duo P8400 | A10-9620P |
|---|---|---|
| Socket | PGA478 | FP4 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | 1066+26550% | DDR4-1866 |
| Max RAM Capacity | 8 | 64 GB+838860700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 8 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Core 2 Duo P8400) vs AMD-V (A10-9620P). The A10-9620P includes integrated graphics (Radeon R5), while the Core 2 Duo P8400 requires a dedicated GPU. Primary use case: A10-9620P targets Laptop. Direct competitor: Core 2 Duo P8400 rivals Turion II Ultra M600; A10-9620P rivals Core i3-7100U.
| Feature | Core 2 Duo P8400 | A10-9620P |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon R5 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | AMD-V |
| Target Use | — | Laptop |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















