
Athlon II X2 250 vs A4 Micro-6400T

Athlon II X2 250

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 Athlon II X2 250 is positioned at rank 955 and the A4 Micro-6400T is on rank 843, so the A4 Micro-6400T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X2 250
Performance Per Dollar A4 Micro-6400T
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X2 250 | A4 Micro-6400T |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Regor (2009−2013) / 45 nm) | 🛑 Legacy (Mullins (2014) / 28 nm) |
💎 Value Proposition
| Insight | Athlon II X2 250 | A4 Micro-6400T |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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.
Technical Specifications
Side-by-side comparison of Athlon II X2 250 and A4 Micro-6400T

Athlon II X2 250
The Athlon II X2 250 is manufactured by AMD. It was released in 2 June 2009 (16 years ago). It is based on the Regor (2009−2013) architecture. It features 2 cores and 2 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,080 points. Launch price was $39.

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 Athlon II X2 250 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 3 GHz on the Athlon II X2 250 versus 1.6 GHz on the A4 Micro-6400T — a 60.9% clock advantage for the Athlon II X2 250 (base: 3 GHz vs 1 GHz). The Athlon II X2 250 uses the Regor (2009−2013) architecture (45 nm), while the A4 Micro-6400T uses Mullins (2014) (28 nm). In PassMark, the Athlon II X2 250 scores 1,080 against the A4 Micro-6400T's 1,082 — a 0.2% lead for the A4 Micro-6400T.
| Feature | Athlon II X2 250 | A4 Micro-6400T |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 3 GHz+87% | 1.6 GHz |
| Base Clock | 3 GHz+200% | 1 GHz |
| L3 Cache | 0 kB | — |
| L2 Cache | 2 MB | 2048 kB |
| Process | 45 nm | 28 nm-38% |
| Architecture | Regor (2009−2013) | Mullins (2014) |
| PassMark | 1,080 | 1,082 |
| Geekbench 6 Single | — | 180 |
Memory & Platform
The Athlon II X2 250 uses the AM3 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 1333 on the Athlon II X2 250 versus DDR3L-1333 on the A4 Micro-6400T — the Athlon II X2 250 supports 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X2 250 supports up to 16 of RAM compared to 8 GB — 66.7% more capacity for professional workloads. Memory channels: 2 (Athlon II X2 250) vs 1 (A4 Micro-6400T). PCIe lanes: 0 (Athlon II X2 250) vs 8 (A4 Micro-6400T) — the A4 Micro-6400T offers 8 more lanes for additional GPUs or NVMe drives.
| Feature | Athlon II X2 250 | A4 Micro-6400T |
|---|---|---|
| Socket | AM3 | FT3 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | 1333+44333% | DDR3L-1333 |
| Max RAM Capacity | 16 | 8 GB+52428700% |
| RAM Channels | 2+100% | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 8 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Athlon II X2 250) vs AMD-V (A4 Micro-6400T). The A4 Micro-6400T includes integrated graphics (Radeon R3), while the Athlon II X2 250 requires a dedicated GPU. Primary use case: A4 Micro-6400T targets Tablet. Direct competitor: Athlon II X2 250 rivals Pentium E5700; A4 Micro-6400T rivals Atom Z3770.
| Feature | Athlon II X2 250 | A4 Micro-6400T |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Radeon R3 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | AMD-V |
| Target Use | — | Tablet |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















