
Xeon E5-2637 vs Atom x5-Z8350

Xeon E5-2637

Atom x5-Z8350
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 Xeon E5-2637 is positioned at rank 1010 and the Atom x5-Z8350 is on rank 231, so the Atom x5-Z8350 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-2637
Performance Per Dollar Atom x5-Z8350
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2637 | Atom x5-Z8350 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($40) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) | 🛑 Legacy (Cherry Trail (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E5-2637 | Atom x5-Z8350 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($40) | ✅ 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 Xeon E5-2637 and Atom x5-Z8350

Xeon E5-2637
The Xeon E5-2637 is manufactured by Intel. It was released in 2015-01-01. It is based on the Sandy Bridge-EP (2012) architecture. It features 2 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3.5 GHz. L3 cache: 5120 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,978 points. Launch price was $800.

Atom x5-Z8350
The Atom x5-Z8350 is manufactured by Intel. It was released in 8 February 2016 (9 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.44 GHz, with boost up to 1.92 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA592. Memory support: 4 GB. Passmark benchmark score: 2,979 points. Launch price was $69.
Processing Power
The Xeon E5-2637 packs 2 cores / 4 threads, while the Atom x5-Z8350 offers 4 cores / 4 threads — the Atom x5-Z8350 has 2 more cores. Boost clocks reach 3.5 GHz on the Xeon E5-2637 versus 1.92 GHz on the Atom x5-Z8350 — a 58.3% clock advantage for the Xeon E5-2637 (base: 3 GHz vs 1.44 GHz). The Xeon E5-2637 uses the Sandy Bridge-EP (2012) architecture (32 nm), while the Atom x5-Z8350 uses Cherry Trail (2015−2016) (14 nm). In PassMark, the Xeon E5-2637 scores 2,978 against the Atom x5-Z8350's 2,979 — a 0% lead for the Atom x5-Z8350. L3 cache: 5120 kB (total) on the Xeon E5-2637 vs 0 kB on the Atom x5-Z8350.
| Feature | Xeon E5-2637 | Atom x5-Z8350 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 3.5 GHz+82% | 1.92 GHz |
| Base Clock | 3 GHz+108% | 1.44 GHz |
| L3 Cache | 5120 kB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 2 MB+700% |
| Process | 32 nm | 14 nm-56% |
| Architecture | Sandy Bridge-EP (2012) | Cherry Trail (2015−2016) |
| PassMark | 2,978 | 2,979 |
| Cinebench R23 Multi | 2,000 | — |
| Geekbench 6 Single | 550 | — |
| Geekbench 6 Multi | 1,500 | — |
Memory & Platform
The Xeon E5-2637 uses the LGA2011 socket (PCIe 4.0), while the Atom x5-Z8350 uses UTFCBGA592 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1600 memory speed. The Xeon E5-2637 supports up to 384 GB of RAM compared to 2 GB — 197.9% more capacity for professional workloads. Memory channels: 4 (Xeon E5-2637) vs 1 (Atom x5-Z8350). PCIe lanes: 40 (Xeon E5-2637) vs 1 (Atom x5-Z8350) — the Xeon E5-2637 offers 39 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C600,X79 (Xeon E5-2637) and Intel FC-UTBGA592 (Atom x5-Z8350).
| Feature | Xeon E5-2637 | Atom x5-Z8350 |
|---|---|---|
| Socket | LGA2011 | UTFCBGA592 |
| PCIe Generation | PCIe 4.0+33% | PCIe 3.0 |
| Max RAM Speed | DDR3-1600 | DDR3L-RS 1600 |
| Max RAM Capacity | 384 GB+19100% | 2 GB |
| RAM Channels | 4+300% | 1 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 40+3900% | 1 |
Advanced Features
Virtualization: VT-x, VT-d (Xeon E5-2637) / not specified (Atom x5-Z8350). The Atom x5-Z8350 includes integrated graphics (Intel HD Graphics (Cherry Trail)), while the Xeon E5-2637 requires a dedicated GPU. Primary use case: Xeon E5-2637 targets Server.
| Feature | Xeon E5-2637 | Atom x5-Z8350 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel HD Graphics (Cherry Trail) |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Server | — |
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