
Core 2 Duo T6400 vs A10-7400P

Core 2 Duo T6400

A10-7400P
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 T6400 is positioned at rank 49 and the A10-7400P is on rank 621, so the Core 2 Duo T6400 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 T6400
Performance Per Dollar A10-7400P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo T6400 | A10-7400P |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Penryn (2008−2011) / 45 nm) | 🛑 Legacy (Kaveri (2014−2015) / 28 nm) |
💎 Value Proposition
| Insight | Core 2 Duo T6400 | A10-7400P |
|---|---|---|
| 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 Duo T6400 and A10-7400P

Core 2 Duo T6400
The Core 2 Duo T6400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 2 MB L2 Cache. L2 cache: 2 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 2,115 points. Launch price was $249.

A10-7400P
The A10-7400P is manufactured by AMD. It was released in 2014-01-01. It is based on the Kaveri (2014−2015) architecture. It features 4 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 3.4 GHz. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FP3. Thermal design power (TDP): 4 MB. Memory support: DDR3-1866. Passmark benchmark score: 2,134 points. Launch price was $130.
Processing Power
The Core 2 Duo T6400 packs 2 cores / 2 threads, while the A10-7400P offers 4 cores / 4 threads — the A10-7400P has 2 more cores. Boost clocks reach 2 GHz on the Core 2 Duo T6400 versus 3.4 GHz on the A10-7400P — a 51.9% clock advantage for the A10-7400P (base: 2 GHz vs 2.5 GHz). The Core 2 Duo T6400 uses the Penryn (2008−2011) architecture (45 nm), while the A10-7400P uses Kaveri (2014−2015) (28 nm). In PassMark, the Core 2 Duo T6400 scores 2,115 against the A10-7400P's 2,134 — a 0.9% lead for the A10-7400P.
| Feature | Core 2 Duo T6400 | A10-7400P |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2 GHz | 3.4 GHz+70% |
| Base Clock | 2 GHz | 2.5 GHz+25% |
| L3 Cache | 2 MB L2 Cache | — |
| L2 Cache | 2 MB | 4096 kB+100% |
| Process | 45 nm | 28 nm-38% |
| Architecture | Penryn (2008−2011) | Kaveri (2014−2015) |
| PassMark | 2,115 | 2,134 |
| Geekbench 6 Single | 650 | — |
| Geekbench 6 Multi | 1,300 | — |
Memory & Platform
The Core 2 Duo T6400 uses the PGA478 socket (PCIe 1.1), while the A10-7400P uses FP3 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Core 2 Duo T6400 versus DDR3-1866 on the A10-7400P — the A10-7400P supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A10-7400P supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Core 2 Duo T6400) vs 16 (A10-7400P) — the A10-7400P offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel GM45,Intel PM45 (Core 2 Duo T6400) and FP3 (A10-7400P).
| Feature | Core 2 Duo T6400 | A10-7400P |
|---|---|---|
| Socket | PGA478 | FP3 |
| PCIe Generation | PCIe 1.1 | PCIe 3.0+173% |
| Max RAM Speed | DDR2-800 | DDR3-1866+50% |
| Max RAM Capacity | 8 GB | 16 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: No (Core 2 Duo T6400) vs AMD-V (A10-7400P). The A10-7400P includes integrated graphics (Radeon R6), while the Core 2 Duo T6400 requires a dedicated GPU. Primary use case: Core 2 Duo T6400 targets Mobile, A10-7400P targets Laptop. Direct competitor: A10-7400P rivals Core i5-4200U.
| Feature | Core 2 Duo T6400 | A10-7400P |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon R6 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | No | AMD-V |
| Target Use | Mobile | Laptop |
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