Athlon II X3 420e vs Core 2 Duo T5600
Athlon II X3 420e
Core 2 Duo T5600
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 420e is positioned at rank 906 and the Core 2 Duo T5600 is on rank 1179, so the Athlon II X3 420e 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 420e
Performance Per Dollar Core 2 Duo T5600
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X3 420e | Core 2 Duo T5600 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($15) | ⚠️ Higher cost ($241) |
| Longevity | 🛑 Legacy (Rana (2009−2011) / 45 nm) | 🛑 Legacy (Merom (2006−2008) / 65 nm) |
💎 Value Proposition
| Insight | Athlon II X3 420e | Core 2 Duo T5600 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1504%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($15) | ⚠️ Higher cost ($241) |
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 420e and Core 2 Duo T5600
Athlon II X3 420e
The Athlon II X3 420e 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 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,557 points. Launch price was $116.
Core 2 Duo T5600
The Core 2 Duo T5600 is manufactured by Intel. It was released in 28 July 2006 (19 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 1.83 GHz, with boost up to 1.83 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 34 Watt. Passmark benchmark score: 1,560 points. Launch price was $241.
Processing Power
The Athlon II X3 420e packs 3 cores / 3 threads, while the Core 2 Duo T5600 offers 2 cores / 2 threads — the Athlon II X3 420e has 1 more core. Boost clocks reach 2.6 GHz on the Athlon II X3 420e versus 1.83 GHz on the Core 2 Duo T5600 — a 34.8% clock advantage for the Athlon II X3 420e (base: 2.6 GHz vs 1.83 GHz). The Athlon II X3 420e uses the Rana (2009−2011) architecture (45 nm), while the Core 2 Duo T5600 uses Merom (2006−2008) (65 nm). In PassMark, the Athlon II X3 420e scores 1,557 against the Core 2 Duo T5600's 1,560 — a 0.2% lead for the Core 2 Duo T5600. Both processors carry 0 kB of L3 cache.
| Feature | Athlon II X3 420e | Core 2 Duo T5600 |
|---|---|---|
| Cores / Threads | 3 / 3+50% | 2 / 2 |
| Boost Clock | 2.6 GHz+42% | 1.83 GHz |
| Base Clock | 2.6 GHz+42% | 1.83 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core) | 2 MB+300% |
| Process | 45 nm-31% | 65 nm |
| Architecture | Rana (2009−2011) | Merom (2006−2008) |
| PassMark | 1,557 | 1,560 |
| Geekbench 6 Single | 314 | — |
| Geekbench 6 Multi | 880 | — |
Memory & Platform
The Athlon II X3 420e uses the AM3 socket (PCIe 2.0), while the Core 2 Duo T5600 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X3 420e versus DDR2-667 on the Core 2 Duo T5600 — the Athlon II X3 420e supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 420e supports up to 16 GB of RAM compared to 4 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Athlon II X3 420e) vs 0 (Core 2 Duo T5600) — the Athlon II X3 420e offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 760G,785G,880G (Athlon II X3 420e) and 945GM,945PM (Core 2 Duo T5600).
| Feature | Athlon II X3 420e | Core 2 Duo T5600 |
|---|---|---|
| Socket | AM3 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333+50% | DDR2-667 |
| Max RAM Capacity | 16 GB+300% | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Virtualization: AMD-V (Athlon II X3 420e) / not specified (Core 2 Duo T5600). Primary use case: Athlon II X3 420e targets Legacy Desktop. Direct competitor: Athlon II X3 420e rivals Athlon II X3 415e.
| Feature | Athlon II X3 420e | Core 2 Duo T5600 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Legacy Desktop | — |
Value Analysis
The Athlon II X3 420e launched at $107 MSRP, while the Core 2 Duo T5600 debuted at $241.
| Feature | Athlon II X3 420e | Core 2 Duo T5600 |
|---|---|---|
| MSRP | $107-56% | $241 |
| Avg Price (30d) | $15 | — |
| Release Date | 2010 | 2006 |
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