CPU
GPU
Celeron N2815
A4 Micro-6400T
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 Celeron N2815 is positioned at rank 405 and the A4 Micro-6400T is on rank 843, so the Celeron N2815 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Celeron N2815
Performance Per Dollar A4 Micro-6400T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Celeron N2815 | A4 Micro-6400T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Bay Trail-M (2013−2014) / 22 nm) | 🛑 Legacy (Mullins (2014) / 28 nm) |
💎 Value Proposition
| Insight | Celeron N2815 | A4 Micro-6400T |
|---|---|---|
| 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 Celeron N2815 and A4 Micro-6400T
Celeron N2815
The Celeron N2815 is manufactured by Intel. It was released in 1 December 2013 (12 years ago). It is based on the Bay Trail-M (2013−2014) architecture. It features 2 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 2.13 GHz. L3 cache: 1 MB. L2 cache: 1 MB. Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7.5 Watt. Memory support: DDR3L-1066. Passmark benchmark score: 1,068 points. Launch price was $107.
A4 Micro-6400T
The A4 Micro-6400T is manufactured by AMD. It was released in 29 April 2014 (11 years ago). It is based on the Mullins (2014) architecture. It features 4 cores and 4 threads. Base frequency is 1 GHz, with boost up to 1.6 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: FT3. Thermal design power (TDP): 5 Watt. Memory support: DDR3-1333. Passmark benchmark score: 1,082 points. Launch price was $69.
Processing Power
The Celeron N2815 packs 2 cores / 2 threads, while the A4 Micro-6400T offers 4 cores / 4 threads — the A4 Micro-6400T has 2 more cores. Boost clocks reach 2.13 GHz on the Celeron N2815 versus 1.6 GHz on the A4 Micro-6400T — a 28.4% clock advantage for the Celeron N2815 (base: 1.86 GHz vs 1 GHz). The Celeron N2815 uses the Bay Trail-M (2013−2014) architecture (22 nm), while the A4 Micro-6400T uses Mullins (2014) (28 nm). In PassMark, the Celeron N2815 scores 1,068 against the A4 Micro-6400T's 1,082 — a 1.3% lead for the A4 Micro-6400T.
| Feature | Celeron N2815 | A4 Micro-6400T |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 2.13 GHz+33% | 1.6 GHz |
| Base Clock | 1.86 GHz+86% | 1 GHz |
| L3 Cache | 1 MB | — |
| L2 Cache | 1 MB | 2048 kB+100% |
| Process | 22 nm-21% | 28 nm |
| Architecture | Bay Trail-M (2013−2014) | Mullins (2014) |
| PassMark | 1,068 | 1,082+1% |
| Geekbench 6 Single | — | 180 |
Memory & Platform
The Celeron N2815 uses the FCBGA1170 socket (PCIe 2.0), while the A4 Micro-6400T uses FT3 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Celeron N2815 versus DDR3L-1333 on the A4 Micro-6400T — the Celeron N2815 supports 198.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 of RAM. Memory channels: 2 (Celeron N2815) vs 1 (A4 Micro-6400T). PCIe lanes: 4 (Celeron N2815) vs 8 (A4 Micro-6400T) — the A4 Micro-6400T offers 4 more lanes for additional GPUs or NVMe drives.
| Feature | Celeron N2815 | A4 Micro-6400T |
|---|---|---|
| Socket | FCBGA1170 | FT3 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | 1066+35433% | DDR3L-1333 |
| Max RAM Capacity | 8 | 8 GB+104857500% |
| RAM Channels | 2+100% | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 4 | 8+100% |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Celeron N2815) vs AMD-V (A4 Micro-6400T). Both include integrated graphics — Intel HD Graphics (Bay Trail) (Celeron N2815) and Radeon R3 (A4 Micro-6400T) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A4 Micro-6400T targets Tablet. Direct competitor: Celeron N2815 rivals AMD A4-1250; A4 Micro-6400T rivals Atom Z3770.
| Feature | Celeron N2815 | A4 Micro-6400T |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics (Bay Trail) | Radeon R3 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | AMD-V |
| Target Use | — | Tablet |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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