CPU
GPU
Core i5-4308U
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 Core i5-4308U is positioned at rank 700 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 Core i5-4308U
Performance Per Dollar Atom x5-Z8350
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-4308U | Atom x5-Z8350 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Haswell (2013−2015) / 22 nm) | 🛑 Legacy (Cherry Trail (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-4308U | Atom x5-Z8350 |
|---|---|---|
| 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.
Counter-Strike 2
League of Legends
Technical Specifications
Side-by-side comparison of Core i5-4308U and Atom x5-Z8350
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.
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 Core i5-4308U 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 3.3 GHz on the Core i5-4308U versus 1.92 GHz on the Atom x5-Z8350 — a 52.9% clock advantage for the Core i5-4308U (base: 2.8 GHz vs 1.44 GHz). The Core i5-4308U uses the Haswell (2013−2015) architecture (22 nm), while the Atom x5-Z8350 uses Cherry Trail (2015−2016) (14 nm). In PassMark, the Core i5-4308U scores 2,978 against the Atom x5-Z8350's 2,979 — a 0% lead for the Atom x5-Z8350. L3 cache: 3 MB on the Core i5-4308U vs 0 kB on the Atom x5-Z8350.
| Feature | Core i5-4308U | Atom x5-Z8350 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 3.3 GHz+72% | 1.92 GHz |
| Base Clock | 2.8 GHz+94% | 1.44 GHz |
| L3 Cache | 3 MB | 0 kB |
| L2 Cache | 512 kB | 2 MB+300% |
| Process | 22 nm | 14 nm-36% |
| Architecture | Haswell (2013−2015) | Cherry Trail (2015−2016) |
| PassMark | 2,978 | 2,979 |
Memory & Platform
The Core i5-4308U uses the FCBGA1168 socket (PCIe 3.0), while the Atom x5-Z8350 uses UTFCBGA592 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3L-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: 2 (Core i5-4308U) vs 1 (Atom x5-Z8350). PCIe lanes: 12 (Core i5-4308U) vs 1 (Atom x5-Z8350) — the Core i5-4308U offers 11 more lanes for additional GPUs or NVMe drives.
| Feature | Core i5-4308U | Atom x5-Z8350 |
|---|---|---|
| Socket | FCBGA1168 | UTFCBGA592 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR3L-1600 | DDR3L-RS 1600 |
| Max RAM Capacity | 16 GB+700% | 2 GB |
| RAM Channels | 2+100% | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 12+1100% | 1 |
Advanced Features
Virtualization: VT-x, VT-d (Core i5-4308U) / not specified (Atom x5-Z8350). Both include integrated graphics — Iris Graphics 5100 (Core i5-4308U) and Intel HD Graphics (Cherry Trail) (Atom x5-Z8350) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-4308U targets Mobile.
| Feature | Core i5-4308U | Atom x5-Z8350 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Iris Graphics 5100 | Intel HD Graphics (Cherry Trail) |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Mobile | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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