CPU
GPU
Pentium U5400
A4-5100
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 Pentium U5400 is positioned at rank 1219 and the A4-5100 is on rank 842, so the A4-5100 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium U5400
Performance Per Dollar A4-5100
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium U5400 | A4-5100 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($214) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Kabini (2013−2014) / 28 nm) |
💎 Value Proposition
| Insight | Pentium U5400 | A4-5100 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($214) | ✅ 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.
Path of Exile 2
Valorant
Technical Specifications
Side-by-side comparison of Pentium U5400 and A4-5100
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.
A4-5100
The A4-5100 is manufactured by AMD. It was released in 2014-01-01. It is based on the Kabini (2013−2014) architecture. It features 4 cores and 4 threads. Max frequency: 1.55 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: FT3. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,301 points. Launch price was $50.
Processing Power
The Pentium U5400 packs 2 cores / 2 threads, while the A4-5100 offers 4 cores / 4 threads — the A4-5100 has 2 more cores. Boost clocks reach 1.2 GHz on the Pentium U5400 versus 1.55 GHz on the A4-5100 — a 25.5% clock advantage for the A4-5100. The Pentium U5400 uses the Arrandale (2010−2011) architecture (32 nm), while the A4-5100 uses Kabini (2013−2014) (28 nm). In PassMark, the Pentium U5400 scores 1,286 against the A4-5100's 1,301 — a 1.2% lead for the A4-5100. Geekbench 6 single-core — the metric most relevant to gaming — records 170 vs 165, a 3% lead for the Pentium U5400 that directly translates to higher frame rates.
| Feature | Pentium U5400 | A4-5100 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 1.2 GHz | 1.55 GHz+29% |
| Base Clock | 1.2 GHz | — |
| L3 Cache | 3 MB (total) | — |
| L2 Cache | 256K (per core) | 2048 kB+700% |
| Process | 32 nm | 28 nm-13% |
| Architecture | Arrandale (2010−2011) | Kabini (2013−2014) |
| PassMark | 1,286 | 1,301+1% |
| Geekbench 6 Single | 170+3% | 165 |
| Geekbench 6 Multi | 300 | — |
Memory & Platform
The Pentium U5400 uses the BGA1288 socket (PCIe 2.0), while the A4-5100 uses FT3 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-800 memory speed. The A4-5100 supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Memory channels: 2 (Pentium U5400) vs 1 (A4-5100). PCIe lanes: 16 (Pentium U5400) vs 8 (A4-5100) — the Pentium U5400 offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | Pentium U5400 | A4-5100 |
|---|---|---|
| Socket | BGA1288 | FT3 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-800 | DDR3L-1600 |
| Max RAM Capacity | 8 GB | 16 GB+100% |
| RAM Channels | 2+100% | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16+100% | 8 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Pentium U5400) vs AMD-V (A4-5100). Both include integrated graphics — Intel HD Graphics (Ironlake) (Pentium U5400) and Radeon HD 8330 (A4-5100) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Pentium U5400 targets Legacy Budget Laptop, A4-5100 targets Entry Laptop. Direct competitor: A4-5100 rivals Pentium N3540.
| Feature | Pentium U5400 | A4-5100 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics (Ironlake) | Radeon HD 8330 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Legacy Budget Laptop | Entry Laptop |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Pentium U5400 and A4-5100
