A6-6400B vs Core 2 Duo SU9400
A6-6400B
Core 2 Duo SU9400
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 A6-6400B is positioned at rank 655 and the Core 2 Duo SU9400 is on rank 409, so the Core 2 Duo SU9400 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A6-6400B
Performance Per Dollar Core 2 Duo SU9400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A6-6400B | Core 2 Duo SU9400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Richland (2013−2014) / 32 nm) | 🛑 Legacy (Penryn (2008−2011) / 45 nm) |
💎 Value Proposition
| Insight | A6-6400B | Core 2 Duo SU9400 |
|---|---|---|
| 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 A6-6400B and Core 2 Duo SU9400
A6-6400B
The A6-6400B is manufactured by AMD. It was released in 2014-01-01. It is based on the Richland (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 3.9 GHz, with boost up to 4.1 GHz. L2 cache: 1 MB (total). Built on 32 nm process technology. Socket: FM2. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,573 points. Launch price was $70.
Core 2 Duo SU9400
The Core 2 Duo SU9400 is manufactured by Intel. It was released in 20 August 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.4 GHz, with boost up to 1.4 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: BGA956. Thermal design power (TDP): 10 Watt. Passmark benchmark score: 1,596 points. Launch price was $262.
Processing Power
Both the A6-6400B and Core 2 Duo SU9400 share an identical 2-core/2-thread configuration. Boost clocks reach 4.1 GHz on the A6-6400B versus 1.4 GHz on the Core 2 Duo SU9400 — a 98.2% clock advantage for the A6-6400B (base: 3.9 GHz vs 1.4 GHz). The A6-6400B uses the Richland (2013−2014) architecture (32 nm), while the Core 2 Duo SU9400 uses Penryn (2008−2011) (45 nm). In PassMark, the A6-6400B scores 1,573 against the Core 2 Duo SU9400's 1,596 — a 1.5% lead for the Core 2 Duo SU9400.
| Feature | A6-6400B | Core 2 Duo SU9400 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 4.1 GHz+193% | 1.4 GHz |
| Base Clock | 3.9 GHz+179% | 1.4 GHz |
| L3 Cache | — | 3 MB L2 Cache |
| L2 Cache | 1 MB (total) | 3 MB+200% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Richland (2013−2014) | Penryn (2008−2011) |
| PassMark | 1,573 | 1,596+1% |
Memory & Platform
The A6-6400B uses the FM2 socket (PCIe 3.0), while the Core 2 Duo SU9400 uses BGA956 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | A6-6400B | Core 2 Duo SU9400 |
|---|---|---|
| Socket | FM2 | BGA956 |
| PCIe Generation | PCIe 3.0+173% | PCIe 1.1 |
| Max RAM Speed | 1866 | — |
| Max RAM Capacity | 32 | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: true (A6-6400B) / not specified (Core 2 Duo SU9400). The A6-6400B includes integrated graphics (Radeon HD 8470D), while the Core 2 Duo SU9400 requires a dedicated GPU. Direct competitor: A6-6400B rivals Pentium G3220.
| Feature | A6-6400B | Core 2 Duo SU9400 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Radeon HD 8470D | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
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