Atom x5-Z8350 vs Core i5-4308U
Atom x5-Z8350
Core i5-4308U
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 x5-Z8350 is positioned at rank 231 and the Core i5-4308U is on rank 700, 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 Atom x5-Z8350
Performance Per Dollar Core i5-4308U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Atom x5-Z8350 | Core i5-4308U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Cherry Trail (2015−2016) / 14 nm) | 🛑 Legacy (Haswell (2013−2015) / 22 nm) |
💎 Value Proposition
| Insight | Atom x5-Z8350 | Core i5-4308U |
|---|---|---|
| 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 x5-Z8350 and Core i5-4308U
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.
Core i5-4308U
The Core i5-4308U is manufactured by Intel. It was released in 21 July 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.3 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 2,978 points. Launch price was $315.
Processing Power
The Atom x5-Z8350 packs 4 cores / 4 threads, while the Core i5-4308U offers 2 cores / 4 threads — the Atom x5-Z8350 has 2 more cores. Boost clocks reach 1.92 GHz on the Atom x5-Z8350 versus 3.3 GHz on the Core i5-4308U — a 52.9% clock advantage for the Core i5-4308U (base: 1.44 GHz vs 2.8 GHz). The Atom x5-Z8350 uses the Cherry Trail (2015−2016) architecture (14 nm), while the Core i5-4308U uses Haswell (2013−2015) (22 nm). In PassMark, the Atom x5-Z8350 scores 2,979 against the Core i5-4308U's 2,978 — a 0% lead for the Atom x5-Z8350. L3 cache: 0 kB on the Atom x5-Z8350 vs 3 MB on the Core i5-4308U.
| Feature | Atom x5-Z8350 | Core i5-4308U |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 4 |
| Boost Clock | 1.92 GHz | 3.3 GHz+72% |
| Base Clock | 1.44 GHz | 2.8 GHz+94% |
| L3 Cache | 0 kB | 3 MB |
| L2 Cache | 2 MB+300% | 512 kB |
| Process | 14 nm-36% | 22 nm |
| Architecture | Cherry Trail (2015−2016) | Haswell (2013−2015) |
| PassMark | 2,979 | 2,978 |
Memory & Platform
The Atom x5-Z8350 uses the UTFCBGA592 socket (PCIe 3.0), while the Core i5-4308U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3L-RS 1600 memory speed. The Core i5-4308U supports up to 16 GB of RAM compared to 2 GB — 155.6% more capacity for professional workloads. Memory channels: 1 (Atom x5-Z8350) vs 2 (Core i5-4308U). PCIe lanes: 1 (Atom x5-Z8350) vs 12 (Core i5-4308U) — the Core i5-4308U offers 11 more lanes for additional GPUs or NVMe drives.
| Feature | Atom x5-Z8350 | Core i5-4308U |
|---|---|---|
| Socket | UTFCBGA592 | FCBGA1168 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3L-RS 1600 | DDR3L-1600 |
| Max RAM Capacity | 2 GB | 16 GB+700% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 1 | 12+1100% |
Advanced Features
Virtualization: not specified (Atom x5-Z8350) / VT-x, VT-d (Core i5-4308U). Both include integrated graphics — Intel HD Graphics (Cherry Trail) (Atom x5-Z8350) and Iris Graphics 5100 (Core i5-4308U) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-4308U targets Mobile.
| Feature | Atom x5-Z8350 | Core i5-4308U |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics (Cherry Trail) | Iris Graphics 5100 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Mobile |
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