CPU
GPU
A4 Micro-6400T
Celeron 3215U
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 Micro-6400T is positioned at rank 843 and the Celeron 3215U is on rank 241, so the Celeron 3215U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar A4 Micro-6400T
Performance Per Dollar Celeron 3215U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | A4 Micro-6400T | Celeron 3215U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Mullins (2014) / 28 nm) | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) |
💎 Value Proposition
| Insight | A4 Micro-6400T | Celeron 3215U |
|---|---|---|
| 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 A4 Micro-6400T and Celeron 3215U
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.
Celeron 3215U
The Celeron 3215U is manufactured by Intel. It was released in 1 June 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 2 cores and 2 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,091 points. Launch price was $107.
Processing Power
The A4 Micro-6400T packs 4 cores / 4 threads, while the Celeron 3215U offers 2 cores / 2 threads — the A4 Micro-6400T has 2 more cores. Boost clocks reach 1.6 GHz on the A4 Micro-6400T versus 1.7 GHz on the Celeron 3215U — a 6.1% clock advantage for the Celeron 3215U (base: 1 GHz vs 1.7 GHz). The A4 Micro-6400T uses the Mullins (2014) architecture (28 nm), while the Celeron 3215U uses Broadwell (2015−2019) (14 nm). In PassMark, the A4 Micro-6400T scores 1,082 against the Celeron 3215U's 1,091 — a 0.8% lead for the Celeron 3215U. Geekbench 6 single-core — the metric most relevant to gaming — records 180 vs 339, a 61.3% lead for the Celeron 3215U that directly translates to higher frame rates.
| Feature | A4 Micro-6400T | Celeron 3215U |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 1.6 GHz | 1.7 GHz+6% |
| Base Clock | 1 GHz | 1.7 GHz+70% |
| L3 Cache | — | 2 MB |
| L2 Cache | 2048 kB+300% | 512 kB |
| Process | 28 nm | 14 nm-50% |
| Architecture | Mullins (2014) | Broadwell (2015−2019) |
| PassMark | 1,082 | 1,091 |
| Geekbench 6 Single | 180 | 339+88% |
Memory & Platform
The A4 Micro-6400T uses the FT3 socket (PCIe 3.0), while the Celeron 3215U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3L-1333 memory speed. The Celeron 3215U supports up to 16 GB of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Memory channels: 1 (A4 Micro-6400T) vs 2 (Celeron 3215U). PCIe lanes: 8 (A4 Micro-6400T) vs 12 (Celeron 3215U) — the Celeron 3215U offers 4 more lanes for additional GPUs or NVMe drives.
| Feature | A4 Micro-6400T | Celeron 3215U |
|---|---|---|
| Socket | FT3 | FCBGA1168 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3L-1333 | DDR3L-1600 |
| Max RAM Capacity | 8 GB | 16 GB+100% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 8 | 12+50% |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (A4 Micro-6400T) vs VT-x, VT-d (Celeron 3215U). Both include integrated graphics — Radeon R3 (A4 Micro-6400T) and HD Graphics (Broadwell) (Celeron 3215U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A4 Micro-6400T targets Tablet, Celeron 3215U targets Budget. Direct competitor: A4 Micro-6400T rivals Atom Z3770; Celeron 3215U rivals Pentium 3825U.
| Feature | A4 Micro-6400T | Celeron 3215U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Radeon R3 | HD Graphics (Broadwell) |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | VT-x, VT-d |
| Target Use | Tablet | Budget |
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