Atom Z3740 vs Xeon E5-4603
Atom Z3740
Xeon E5-4603
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 E5-4603 is on rank 670, 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 E5-4603
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom Z3740 | Xeon E5-4603 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($80) |
| Longevity | 🛑 Legacy (Bay Trail-T (2013−2014) / 22 nm) | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) |
💎 Value Proposition
| Insight | Atom Z3740 | Xeon E5-4603 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($80) |
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 E5-4603
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 E5-4603
The Xeon E5-4603 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 4 cores and 8 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 10240 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,391 points. Launch price was $712.
Processing Power
The Atom Z3740 packs 4 cores / 4 threads, matching the Xeon E5-4603's 4 cores. Boost clocks reach 1.86 GHz on the Atom Z3740 versus 2 GHz on the Xeon E5-4603 — a 7.3% clock advantage for the Xeon E5-4603 (base: 1.33 GHz vs 2 GHz). The Atom Z3740 uses the Bay Trail-T (2013−2014) architecture (22 nm), while the Xeon E5-4603 uses Sandy Bridge-EP (2012) (32 nm). In PassMark, the Atom Z3740 scores 3,380 against the Xeon E5-4603's 3,391 — a 0.3% lead for the Xeon E5-4603. L3 cache: 0 kB on the Atom Z3740 vs 10240 kB (total) on the Xeon E5-4603.
| Feature | Atom Z3740 | Xeon E5-4603 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 1.86 GHz | 2 GHz+8% |
| Base Clock | 1.33 GHz | 2 GHz+50% |
| L3 Cache | 0 kB | 10240 kB (total) |
| L2 Cache | 512K (per core)+100% | 256 kB (per core) |
| Process | 22 nm-31% | 32 nm |
| Architecture | Bay Trail-T (2013−2014) | Sandy Bridge-EP (2012) |
| PassMark | 3,380 | 3,391 |
Memory & Platform
The Atom Z3740 uses the UTFCBGA1380 socket (PCIe 2.0), while the Xeon E5-4603 uses LGA2011 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Atom Z3740 | Xeon E5-4603 |
|---|---|---|
| Socket | UTFCBGA1380 | LGA2011 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | LPDDR3-1066 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Advanced Features
The Atom Z3740 includes integrated graphics (Intel HD Graphics (Bay Trail)), while the Xeon E5-4603 requires a dedicated GPU.
| Feature | Atom Z3740 | Xeon E5-4603 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics (Bay Trail) | — |
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