Core i3-390M vs Atom x7-Z8750
Core i3-390M
Atom x7-Z8750
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 i3-390M is positioned at rank 585 and the Atom x7-Z8750 is on rank 664, so the Core i3-390M offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-390M
Performance Per Dollar Atom x7-Z8750
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-390M | Atom x7-Z8750 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Cherry Trail (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Core i3-390M | Atom x7-Z8750 |
|---|---|---|
| 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 Core i3-390M and Atom x7-Z8750
Core i3-390M
The Core i3-390M is manufactured by Intel. It was released in 9 January 2011 (14 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2.66 GHz, with boost up to 0.67 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,292 points. Launch price was $39.
Atom x7-Z8750
The Atom x7-Z8750 is manufactured by Intel. It was released in 1 April 2016 (9 years ago). It is based on the Cherry Trail (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2.56 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 1,294 points. Launch price was $37.
Processing Power
The Core i3-390M packs 2 cores / 4 threads, while the Atom x7-Z8750 offers 4 cores / 4 threads — the Atom x7-Z8750 has 2 more cores. Boost clocks reach 0.67 GHz on the Core i3-390M versus 2.56 GHz on the Atom x7-Z8750 — a 117% clock advantage for the Atom x7-Z8750 (base: 2.66 GHz vs 1.6 GHz). The Core i3-390M uses the Arrandale (2010−2011) architecture (32 nm), while the Atom x7-Z8750 uses Cherry Trail (2015−2016) (14 nm). In PassMark, the Core i3-390M scores 1,292 against the Atom x7-Z8750's 1,294 — a 0.2% lead for the Atom x7-Z8750. L3 cache: 3 MB (total) on the Core i3-390M vs 0 kB on the Atom x7-Z8750.
| Feature | Core i3-390M | Atom x7-Z8750 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 0.67 GHz | 2.56 GHz+282% |
| Base Clock | 2.66 GHz+66% | 1.6 GHz |
| L3 Cache | 3 MB (total) | 0 kB |
| L2 Cache | 256K (per core) | 2 MB+700% |
| Process | 32 nm | 14 nm-56% |
| Architecture | Arrandale (2010−2011) | Cherry Trail (2015−2016) |
| PassMark | 1,292 | 1,294 |
Memory & Platform
The Core i3-390M uses the PGA988 socket (PCIe 2.0), while the Atom x7-Z8750 uses UTFCBGA1380 (PCIe 3.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core i3-390M) vs 2 (Atom x7-Z8750) — the Core i3-390M offers 14 more lanes for additional GPUs or NVMe drives.
| Feature | Core i3-390M | Atom x7-Z8750 |
|---|---|---|
| Socket | PGA988 | UTFCBGA1380 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1066 | LPDDR3-1600 |
| Max RAM Capacity | 8 GB | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16+700% | 2 |
Advanced Features
Virtualization: VT-x (Core i3-390M) / not specified (Atom x7-Z8750). Both include integrated graphics — HD Graphics (Core i3-390M) and Intel HD Graphics (Cherry Trail) (Atom x7-Z8750) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i3-390M targets Mobile.
| Feature | Core i3-390M | Atom x7-Z8750 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics | Intel HD Graphics (Cherry Trail) |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Mobile | — |
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