Athlon II X3 450 vs Core 2 Duo T7400
Athlon II X3 450
Core 2 Duo T7400
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 Athlon II X3 450 is positioned at rank 761 and the Core 2 Duo T7400 is on rank 1027, so the Athlon II X3 450 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X3 450
Performance Per Dollar Core 2 Duo T7400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X3 450 | Core 2 Duo T7400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Rana (2009−2011) / 45 nm) | 🛑 Legacy (Merom (2006−2008) / 65 nm) |
💎 Value Proposition
| Insight | Athlon II X3 450 | Core 2 Duo T7400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 Athlon II X3 450 and Core 2 Duo T7400
Athlon II X3 450
The Athlon II X3 450 is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,865 points. Launch price was $45.
Core 2 Duo T7400
The Core 2 Duo T7400 is manufactured by Intel. It was released in 28 August 2006 (19 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2.16 GHz, with boost up to 2.16 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 34 Watt. Passmark benchmark score: 1,861 points. Launch price was $286.
Processing Power
The Athlon II X3 450 packs 3 cores / 3 threads, while the Core 2 Duo T7400 offers 2 cores / 2 threads — the Athlon II X3 450 has 1 more core. Boost clocks reach 3.2 GHz on the Athlon II X3 450 versus 2.16 GHz on the Core 2 Duo T7400 — a 38.8% clock advantage for the Athlon II X3 450 (base: 3.2 GHz vs 2.16 GHz). The Athlon II X3 450 uses the Rana (2009−2011) architecture (45 nm), while the Core 2 Duo T7400 uses Merom (2006−2008) (65 nm). In PassMark, the Athlon II X3 450 scores 1,865 against the Core 2 Duo T7400's 1,861 — a 0.2% lead for the Athlon II X3 450. Geekbench 6 single-core — the metric most relevant to gaming — records 380 vs 310, a 20.3% lead for the Athlon II X3 450 that directly translates to higher frame rates. Multi-core Geekbench: 980 vs 550 (56.2% advantage for the Athlon II X3 450). Both processors carry 0 kB of L3 cache.
| Feature | Athlon II X3 450 | Core 2 Duo T7400 |
|---|---|---|
| Cores / Threads | 3 / 3+50% | 2 / 2 |
| Boost Clock | 3.2 GHz+48% | 2.16 GHz |
| Base Clock | 3.2 GHz+48% | 2.16 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core) | 4 MB+700% |
| Process | 45 nm-31% | 65 nm |
| Architecture | Rana (2009−2011) | Merom (2006−2008) |
| PassMark | 1,865 | 1,861 |
| Geekbench 6 Single | 380+23% | 310 |
| Geekbench 6 Multi | 980+78% | 550 |
Memory & Platform
The Athlon II X3 450 uses the AM3 socket (PCIe 2.0), while the Core 2 Duo T7400 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X3 450 versus DDR2-667 on the Core 2 Duo T7400 — the Athlon II X3 450 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 450 supports up to 32 GB of RAM compared to 4 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: 760G,780G,790GX,880G,970,990FX (Athlon II X3 450) and 945GT,GME965 (Core 2 Duo T7400).
| Feature | Athlon II X3 450 | Core 2 Duo T7400 |
|---|---|---|
| Socket | AM3 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333+50% | DDR2-667 |
| Max RAM Capacity | 32 GB+700% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (Athlon II X3 450) vs VT-x (Core 2 Duo T7400). Primary use case: Athlon II X3 450 targets Desktop, Core 2 Duo T7400 targets Legacy Laptop.
| Feature | Athlon II X3 450 | Core 2 Duo T7400 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x |
| Target Use | Desktop | Legacy Laptop |
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