
Pentium 2127U vs A4-3400

Pentium 2127U

A4-3400
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 2127U is positioned at rank 403 and the A4-3400 is on rank 850, so the Pentium 2127U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium 2127U
Performance Per Dollar A4-3400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium 2127U | A4-3400 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Pentium 2127U | A4-3400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Pentium 2127U and A4-3400

Pentium 2127U
The Pentium 2127U is manufactured by Intel. It was released in 1 July 2013 (12 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 2 cores and 2 threads. Base frequency is 1.9 GHz, with boost up to 1.9 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: BGA1023. Thermal design power (TDP): 17 Watt. Memory support: DDR3. Passmark benchmark score: 1,076 points. Launch price was $134.

A4-3400
The A4-3400 is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 2 cores and 2 threads. Base frequency is 2.7 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,066 points. Launch price was $50.
Processing Power
Both the Pentium 2127U and A4-3400 share an identical 2-core/2-thread configuration. Boost clocks reach 1.9 GHz on the Pentium 2127U versus 2.7 GHz on the A4-3400 — a 34.8% clock advantage for the A4-3400 (base: 1.9 GHz vs 2.7 GHz). The Pentium 2127U uses the Ivy Bridge (2012−2013) architecture (22 nm), while the A4-3400 uses Llano (2011−2012) (32 nm). In PassMark, the Pentium 2127U scores 1,076 against the A4-3400's 1,066 — a 0.9% lead for the Pentium 2127U. L3 cache: 2 MB on the Pentium 2127U vs 0 kB on the A4-3400.
| Feature | Pentium 2127U | A4-3400 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.9 GHz | 2.7 GHz+42% |
| Base Clock | 1.9 GHz | 2.7 GHz+42% |
| L3 Cache | 2 MB | 0 kB |
| L2 Cache | 512 kB | 512 kB (per core) |
| Process | 22 nm-31% | 32 nm |
| Architecture | Ivy Bridge (2012−2013) | Llano (2011−2012) |
| PassMark | 1,076 | 1,066 |
| Geekbench 6 Single | — | 349 |
Memory & Platform
The Pentium 2127U uses the BGA1023 socket (PCIe 3.0), while the A4-3400 uses FM1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium 2127U | A4-3400 |
|---|---|---|
| Socket | BGA1023 | FM1 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1600 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Pentium 2127U) / AMD-V (A4-3400). The A4-3400 includes integrated graphics (Radeon HD 6410D), while the Pentium 2127U requires a dedicated GPU. Primary use case: A4-3400 targets Budget Desktop. Direct competitor: A4-3400 rivals Pentium G620.
| Feature | Pentium 2127U | A4-3400 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | Radeon HD 6410D |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Budget Desktop |
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