A4-5100 vs Athlon II X3 400e
A4-5100
Athlon II X3 400e
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 A4-5100 is positioned at rank 842 and the Athlon II X3 400e is on rank 938, 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 A4-5100
Performance Per Dollar Athlon II X3 400e
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A4-5100 | Athlon II X3 400e |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
| Longevity | 🛑 Legacy (Kabini (2013−2014) / 28 nm) | 🛑 Legacy (Rana (2009−2011) / 45 nm) |
💎 Value Proposition
| Insight | A4-5100 | Athlon II X3 400e |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($10) |
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 A4-5100 and Athlon II X3 400e
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.
Athlon II X3 400e
The Athlon II X3 400e is manufactured by AMD. It was released in 20 October 2009 (16 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.2 GHz, with boost up to 2.2 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: 1,320 points. Launch price was $107.
Processing Power
The A4-5100 packs 4 cores / 4 threads, while the Athlon II X3 400e offers 3 cores / 3 threads — the A4-5100 has 1 more core. Boost clocks reach 1.55 GHz on the A4-5100 versus 2.2 GHz on the Athlon II X3 400e — a 34.7% clock advantage for the Athlon II X3 400e. The A4-5100 uses the Kabini (2013−2014) architecture (28 nm), while the Athlon II X3 400e uses Rana (2009−2011) (45 nm). In PassMark, the A4-5100 scores 1,301 against the Athlon II X3 400e's 1,320 — a 1.4% lead for the Athlon II X3 400e.
| Feature | A4-5100 | Athlon II X3 400e |
|---|---|---|
| Cores / Threads | 4 / 4+33% | 3 / 3 |
| Boost Clock | 1.55 GHz | 2.2 GHz+42% |
| Base Clock | — | 2.2 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 2048 kB+300% | 512 kB (per core) |
| Process | 28 nm-38% | 45 nm |
| Architecture | Kabini (2013−2014) | Rana (2009−2011) |
| PassMark | 1,301 | 1,320+1% |
| Geekbench 6 Single | 165 | — |
Memory & Platform
The A4-5100 uses the FT3 socket (PCIe 2.0), while the Athlon II X3 400e uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3L-1600 memory speed. The Athlon II X3 400e supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Memory channels: 1 (A4-5100) vs 2 (Athlon II X3 400e). PCIe lanes: 8 (A4-5100) vs 0 (Athlon II X3 400e) — the A4-5100 offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | A4-5100 | Athlon II X3 400e |
|---|---|---|
| Socket | FT3 | AM3 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3L-1600 | DDR3-1333 |
| Max RAM Capacity | 16 GB | 32 GB+100% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 8 | 0 |
Advanced Features
Virtualization: AMD-V (A4-5100) / not specified (Athlon II X3 400e). The A4-5100 includes integrated graphics (Radeon HD 8330), while the Athlon II X3 400e requires a dedicated GPU. Primary use case: A4-5100 targets Entry Laptop. Direct competitor: A4-5100 rivals Pentium N3540.
| Feature | A4-5100 | Athlon II X3 400e |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Radeon HD 8330 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Entry Laptop | — |
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