
Athlon II X3 450 vs A6-3620

Athlon II X3 450

A6-3620
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 A6-3620 is on rank 580, so the A6-3620 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 A6-3620
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X3 450 | A6-3620 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Rana (2009−2011) / 45 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Athlon II X3 450 | A6-3620 |
|---|---|---|
| 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 A6-3620

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.

A6-3620
The A6-3620 is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 2.5 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,877 points. Launch price was $70.
Processing Power
The Athlon II X3 450 packs 3 cores / 3 threads, while the A6-3620 offers 4 cores / 4 threads — the A6-3620 has 1 more core. Boost clocks reach 3.2 GHz on the Athlon II X3 450 versus 2.5 GHz on the A6-3620 — a 24.6% clock advantage for the Athlon II X3 450 (base: 3.2 GHz vs 2.2 GHz). The Athlon II X3 450 uses the Rana (2009−2011) architecture (45 nm), while the A6-3620 uses Llano (2011−2012) (32 nm). In PassMark, the Athlon II X3 450 scores 1,865 against the A6-3620's 1,877 — a 0.6% lead for the A6-3620. Geekbench 6 single-core — the metric most relevant to gaming — records 380 vs 300, a 23.5% lead for the Athlon II X3 450 that directly translates to higher frame rates. Both processors carry 0 kB of L3 cache.
| Feature | Athlon II X3 450 | A6-3620 |
|---|---|---|
| Cores / Threads | 3 / 3 | 4 / 4+33% |
| Boost Clock | 3.2 GHz+28% | 2.5 GHz |
| Base Clock | 3.2 GHz+45% | 2.2 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 45 nm | 32 nm-29% |
| Architecture | Rana (2009−2011) | Llano (2011−2012) |
| PassMark | 1,865 | 1,877 |
| Geekbench 6 Single | 380+27% | 300 |
| Geekbench 6 Multi | 980 | — |
Memory & Platform
The Athlon II X3 450 uses the AM3 socket (PCIe 2.0), while the A6-3620 uses FM1 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1333 memory speed. The Athlon II X3 450 supports up to 32 GB of RAM compared to 16 GB — 66.7% 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 A55,A75 (A6-3620).
| Feature | Athlon II X3 450 | A6-3620 |
|---|---|---|
| Socket | AM3 | FM1 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | DDR3-1866 |
| Max RAM Capacity | 32 GB+100% | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Both support AMD-V virtualization. The A6-3620 includes integrated graphics (Radeon HD 6530D), while the Athlon II X3 450 requires a dedicated GPU. Primary use case: Athlon II X3 450 targets Desktop, A6-3620 targets Budget Desktop. Direct competitor: A6-3620 rivals Pentium G840.
| Feature | Athlon II X3 450 | A6-3620 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Radeon HD 6530D |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | AMD-V |
| Target Use | Desktop | Budget Desktop |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















