CPU
GPU
Atom Z2560
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 Atom Z2560 is positioned at rank 104 and the A4-3400 is on rank 850, so the Atom Z2560 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom Z2560
Performance Per Dollar A4-3400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom Z2560 | A4-3400 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Clovertrail (2013) / 32 nm) | 🛑 Legacy (Llano (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Atom Z2560 | 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 Atom Z2560 and A4-3400
Atom Z2560
The Atom Z2560 is manufactured by Intel. It was released in 27 February 2013 (12 years ago). It is based on the Clovertrail (2013) architecture. It features 2 cores and 4 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 32 nm process technology. Socket: FC-MB4760. Thermal design power (TDP): 3 Watt. Memory support: DDR2. Passmark benchmark score: 1,056 points. Launch price was $69.
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
The Atom Z2560 packs 2 cores / 4 threads, matching the A4-3400's 2 cores. Boost clocks reach 1.6 GHz on the Atom Z2560 versus 2.7 GHz on the A4-3400 — a 51.2% clock advantage for the A4-3400. The Atom Z2560 uses the Clovertrail (2013) architecture (32 nm), while the A4-3400 uses Llano (2011−2012) (32 nm). In PassMark, the Atom Z2560 scores 1,056 against the A4-3400's 1,066 — a 0.9% lead for the A4-3400. Both processors carry 0 kB of L3 cache.
| Feature | Atom Z2560 | A4-3400 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 1.6 GHz | 2.7 GHz+69% |
| Base Clock | — | 2.7 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512K (per core) | 512 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Clovertrail (2013) | Llano (2011−2012) |
| PassMark | 1,056 | 1,066 |
| Geekbench 6 Single | — | 349 |
Memory & Platform
The Atom Z2560 uses the FC-MB4760 socket (PCIe 3.0), while the A4-3400 uses FM1 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR2-1066 on the Atom Z2560 versus DDR3-1600 on the A4-3400 — the A4-3400 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A4-3400 supports up to 16 GB of RAM compared to 2 GB — 155.6% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Atom Z2560) vs 16 (A4-3400) — the A4-3400 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel BGA1264 (Atom Z2560) and A55,A75 (A4-3400).
| Feature | Atom Z2560 | A4-3400 |
|---|---|---|
| Socket | FC-MB4760 | FM1 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | LPDDR2-1066 | DDR3-1600+50% |
| Max RAM Capacity | 2 GB | 16 GB+700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Virtualization: not specified (Atom Z2560) / AMD-V (A4-3400). Both include integrated graphics — PowerVR SGX544MP2 (Atom Z2560) and Radeon HD 6410D (A4-3400) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A4-3400 targets Budget Desktop. Direct competitor: A4-3400 rivals Pentium G620.
| Feature | Atom Z2560 | A4-3400 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | PowerVR SGX544MP2 | Radeon HD 6410D |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | AMD-V |
| Target Use | — | Budget Desktop |
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