CPU
GPU
Pentium U5400
Core i7-660UM
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 Core i7-660UM is on rank 1225, so the Pentium U5400 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 Core i7-660UM
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium U5400 | Core i7-660UM |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($214) | ⚠️ Higher cost ($317) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Pentium U5400 | Core i7-660UM |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+49%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($214) | ⚠️ Higher cost ($317) |
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.
Path of Exile 2
Valorant
Technical Specifications
Side-by-side comparison of Pentium U5400 and Core i7-660UM
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.
Core i7-660UM
The Core i7-660UM is manufactured by Intel. It was released in 24 May 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.33 GHz, with boost up to 2.4 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 18 Watt. Memory support: DDR3-800. Passmark benchmark score: 1,279 points. Launch price was $317.
Processing Power
The Pentium U5400 packs 2 cores / 2 threads, matching the Core i7-660UM's 2 cores. Boost clocks reach 1.2 GHz on the Pentium U5400 versus 2.4 GHz on the Core i7-660UM — a 66.7% clock advantage for the Core i7-660UM (base: 1.2 GHz vs 1.33 GHz). Both are built on the Arrandale (2010−2011) architecture using a 32 nm process. In PassMark, the Pentium U5400 scores 1,286 against the Core i7-660UM's 1,279 — a 0.5% lead for the Pentium U5400. Geekbench 6 single-core — the metric most relevant to gaming — records 170 vs 250, a 38.1% lead for the Core i7-660UM that directly translates to higher frame rates. Multi-core Geekbench: 300 vs 600 (66.7% advantage for the Core i7-660UM). L3 cache: 3 MB (total) on the Pentium U5400 vs 4 MB (total) on the Core i7-660UM.
| Feature | Pentium U5400 | Core i7-660UM |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 4 |
| Boost Clock | 1.2 GHz | 2.4 GHz+100% |
| Base Clock | 1.2 GHz | 1.33 GHz+11% |
| L3 Cache | 3 MB (total) | 4 MB (total)+33% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Arrandale (2010−2011) | Arrandale (2010−2011) |
| PassMark | 1,286 | 1,279 |
| Geekbench 6 Single | 170 | 250+47% |
| Geekbench 6 Multi | 300 | 600+100% |
Memory & Platform
Both processors use the BGA1288 socket with PCIe 2.0. Both support up to DDR3-800 memory speed. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: HM55 (Pentium U5400) and PM55,HM55,QM57,HM57 (Core i7-660UM).
| Feature | Pentium U5400 | Core i7-660UM |
|---|---|---|
| Socket | BGA1288 | BGA1288 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-800 | DDR3-1066 |
| Max RAM Capacity | 8 GB | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Pentium U5400) vs VT-x, VT-d (Core i7-660UM). Both include integrated graphics — Intel HD Graphics (Ironlake) (Pentium U5400) and HD Graphics (Core i7-660UM) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Pentium U5400 targets Legacy Budget Laptop, Core i7-660UM targets Budget.
| Feature | Pentium U5400 | Core i7-660UM |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel HD Graphics (Ironlake) | HD Graphics |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | VT-x, VT-d |
| Target Use | Legacy Budget Laptop | Budget |
Value Analysis
The Pentium U5400 launched at $289 MSRP, while the Core i7-660UM debuted at $317.
| Feature | Pentium U5400 | Core i7-660UM |
|---|---|---|
| MSRP | $289-9% | $317 |
| Avg Price (30d) | $214 | — |
| Release Date | 2010 | 2010 |
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