
Athlon X2 450 vs Pentium U5400

Athlon X2 450

Pentium U5400
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 X2 450 is positioned at rank 760 and the Pentium U5400 is on rank 1219, so the Athlon X2 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 X2 450
Performance Per Dollar Pentium U5400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon X2 450 | Pentium U5400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($15) | ⚠️ Higher cost ($214) |
| Longevity | 🛑 Legacy (Kaveri (2014−2015) / 28 nm) | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Athlon X2 450 | Pentium U5400 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1337%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($15) | ⚠️ Higher cost ($214) |
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 X2 450 and Pentium U5400

Athlon X2 450
The Athlon X2 450 is manufactured by AMD. It was released in 2009-01-01. It is based on the Kaveri (2014−2015) architecture. It features 2 cores and 2 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L2 cache: 1 MB (total). Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,295 points. Launch price was $149.

Pentium U5400
The Pentium U5400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.2 GHz, with boost up to 1.2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,286 points. Launch price was $69.
Processing Power
Both the Athlon X2 450 and Pentium U5400 share an identical 2-core/2-thread configuration. Boost clocks reach 3.9 GHz on the Athlon X2 450 versus 1.2 GHz on the Pentium U5400 — a 105.9% clock advantage for the Athlon X2 450 (base: 3.5 GHz vs 1.2 GHz). The Athlon X2 450 uses the Kaveri (2014−2015) architecture (28 nm), while the Pentium U5400 uses Arrandale (2010−2011) (32 nm). In PassMark, the Athlon X2 450 scores 1,295 against the Pentium U5400's 1,286 — a 0.7% lead for the Athlon X2 450. Geekbench 6 single-core — the metric most relevant to gaming — records 450 vs 170, a 90.3% lead for the Athlon X2 450 that directly translates to higher frame rates. Multi-core Geekbench: 800 vs 300 (90.9% advantage for the Athlon X2 450).
| Feature | Athlon X2 450 | Pentium U5400 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 3.9 GHz+225% | 1.2 GHz |
| Base Clock | 3.5 GHz+192% | 1.2 GHz |
| L3 Cache | — | 3 MB (total) |
| L2 Cache | 1 MB (total)+300% | 256K (per core) |
| Process | 28 nm-13% | 32 nm |
| Architecture | Kaveri (2014−2015) | Arrandale (2010−2011) |
| PassMark | 1,295 | 1,286 |
| Cinebench R23 Multi | 1,500 | — |
| Geekbench 6 Single | 450+165% | 170 |
| Geekbench 6 Multi | 800+167% | 300 |
Memory & Platform
The Athlon X2 450 uses the FM2+ socket (PCIe 3.0), while the Pentium U5400 uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1866 memory speed. The Athlon X2 450 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. Both provide 16 PCIe lanes. Chipset compatibility: A88X,A78,A68H (Athlon X2 450) and HM55 (Pentium U5400).
| Feature | Athlon X2 450 | Pentium U5400 |
|---|---|---|
| Socket | FM2+ | BGA1288 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3-1866 | DDR3-800 |
| Max RAM Capacity | 16 GB+100% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (Athlon X2 450) vs VT-x (Pentium U5400). The Pentium U5400 includes integrated graphics (Intel HD Graphics (Ironlake)), while the Athlon X2 450 requires a dedicated GPU. Primary use case: Athlon X2 450 targets Basic Desktop, Pentium U5400 targets Legacy Budget Laptop. Direct competitor: Athlon X2 450 rivals Core i3-3220.
| Feature | Athlon X2 450 | Pentium U5400 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel HD Graphics (Ironlake) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x |
| Target Use | Basic Desktop | Legacy Budget Laptop |
Value Analysis
The Athlon X2 450 launched at $60 MSRP, while the Pentium U5400 debuted at $289. At current prices ($15 vs $214), the Athlon X2 450 is $199 cheaper. In terms of value (PassMark points per dollar), the Athlon X2 450 delivers 86.3 pts/$ vs 6.0 pts/$ for the Pentium U5400 — making the Athlon X2 450 the 174% better value option.
| Feature | Athlon X2 450 | Pentium U5400 |
|---|---|---|
| MSRP | $60-79% | $289 |
| Avg Price (30d) | $15-93% | $214 |
| Performance per Dollar | 86.3+1338% | 6.0 |
| Release Date | 2014 | 2010 |
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