Atom Z3740 vs Xeon W3565
Atom Z3740
Xeon W3565
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 Z3740 is positioned at rank 172 and the Xeon W3565 is on rank 827, so the Atom Z3740 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Atom Z3740
Performance Per Dollar Xeon W3565
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom Z3740 | Xeon W3565 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($69) |
| Longevity | 🛑 Legacy (Bay Trail-T (2013−2014) / 22 nm) | 🛑 Legacy (Bloomfield (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Atom Z3740 | Xeon W3565 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($69) |
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 Z3740 and Xeon W3565
Atom Z3740
The Atom Z3740 is manufactured by Intel. It was released in 27 September 2013 (12 years ago). It is based on the Bay Trail-T (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 1.86 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 2 Watt. Memory support: DDR3. Passmark benchmark score: 3,380 points. Launch price was $32.
Xeon W3565
The Xeon W3565 is manufactured by Intel. It was released in 1 November 2009 (16 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 3.2 GHz, with boost up to 3.46 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 3,391 points. Launch price was $70.
Processing Power
The Atom Z3740 packs 4 cores / 4 threads, matching the Xeon W3565's 4 cores. Boost clocks reach 1.86 GHz on the Atom Z3740 versus 3.46 GHz on the Xeon W3565 — a 60.2% clock advantage for the Xeon W3565 (base: 1.33 GHz vs 3.2 GHz). The Atom Z3740 uses the Bay Trail-T (2013−2014) architecture (22 nm), while the Xeon W3565 uses Bloomfield (2008−2010) (45 nm). In PassMark, the Atom Z3740 scores 3,380 against the Xeon W3565's 3,391 — a 0.3% lead for the Xeon W3565. L3 cache: 0 kB on the Atom Z3740 vs 8 MB (total) on the Xeon W3565.
| Feature | Atom Z3740 | Xeon W3565 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 1.86 GHz | 3.46 GHz+86% |
| Base Clock | 1.33 GHz | 3.2 GHz+141% |
| L3 Cache | 0 kB | 8 MB (total) |
| L2 Cache | 512K (per core)+100% | 256 kB (per core) |
| Process | 22 nm-51% | 45 nm |
| Architecture | Bay Trail-T (2013−2014) | Bloomfield (2008−2010) |
| PassMark | 3,380 | 3,391 |
| Geekbench 6 Single | — | 513 |
| Geekbench 6 Multi | — | 1,726 |
Memory & Platform
The Atom Z3740 uses the UTFCBGA1380 socket (PCIe 2.0), while the Xeon W3565 uses LGA1366 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to LPDDR3-1066 memory speed. The Xeon W3565 supports up to 24 GB of RAM compared to 4 GB — 142.9% more capacity for professional workloads. Memory channels: 2 (Atom Z3740) vs 3 (Xeon W3565). PCIe lanes: 0 (Atom Z3740) vs 36 (Xeon W3565) — the Xeon W3565 offers 36 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FC-UTBGA592 (Atom Z3740) and X58 (Xeon W3565).
| Feature | Atom Z3740 | Xeon W3565 |
|---|---|---|
| Socket | UTFCBGA1380 | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | LPDDR3-1066 | DDR3-1066 |
| Max RAM Capacity | 4 GB | 24 GB+500% |
| RAM Channels | 2 | 3+50% |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 36 |
Advanced Features
Virtualization: not specified (Atom Z3740) / Yes (Xeon W3565). The Atom Z3740 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Xeon W3565 requires a dedicated GPU.
| Feature | Atom Z3740 | Xeon W3565 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics (Bay Trail) | — |
| AVX-512 | — | No |
| Virtualization | — | Yes |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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