CPU
GPU
Pentium U5400
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 Pentium U5400 is positioned at rank 1219 and the Atom x7-Z8750 is on rank 664, so the Atom x7-Z8750 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium U5400
Performance Per Dollar Atom x7-Z8750
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium U5400 | Atom x7-Z8750 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($214) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Cherry Trail (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Pentium U5400 | Atom x7-Z8750 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($214) | ✅ 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 Pentium U5400 and Atom x7-Z8750
Pentium U5400
The Pentium U5400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.2 GHz, with boost up to 1.2 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,286 points. Launch price was $69.
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 Pentium U5400 packs 2 cores / 2 threads, while the Atom x7-Z8750 offers 4 cores / 4 threads — the Atom x7-Z8750 has 2 more cores. Boost clocks reach 1.2 GHz on the Pentium U5400 versus 2.56 GHz on the Atom x7-Z8750 — a 72.3% clock advantage for the Atom x7-Z8750 (base: 1.2 GHz vs 1.6 GHz). The Pentium U5400 uses the Arrandale (2010−2011) architecture (32 nm), while the Atom x7-Z8750 uses Cherry Trail (2015−2016) (14 nm). In PassMark, the Pentium U5400 scores 1,286 against the Atom x7-Z8750's 1,294 — a 0.6% lead for the Atom x7-Z8750. L3 cache: 3 MB (total) on the Pentium U5400 vs 0 kB on the Atom x7-Z8750.
| Feature | Pentium U5400 | Atom x7-Z8750 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 1.2 GHz | 2.56 GHz+113% |
| Base Clock | 1.2 GHz | 1.6 GHz+33% |
| 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 | 1,286 | 1,294 |
| Geekbench 6 Single | 170 | — |
| Geekbench 6 Multi | 300 | — |
Memory & Platform
The Pentium U5400 uses the BGA1288 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 DDR3-800 memory speed. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Pentium U5400) vs 2 (Atom x7-Z8750) — the Pentium U5400 offers 14 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM55 (Pentium U5400) and Intel FC-UTBGA592 (Atom x7-Z8750).
| Feature | Pentium U5400 | Atom x7-Z8750 |
|---|---|---|
| Socket | BGA1288 | UTFCBGA1380 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-800 | 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 (Pentium U5400) / not specified (Atom x7-Z8750). Both include integrated graphics — Intel HD Graphics (Ironlake) (Pentium U5400) 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: Pentium U5400 targets Legacy Budget Laptop.
| Feature | Pentium U5400 | Atom x7-Z8750 |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics (Ironlake) | Intel HD Graphics (Cherry Trail) |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Legacy Budget Laptop | — |
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