
Core i7-640UM

Pentium N3530
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 i7-640UM is positioned at rank 1229 and the Pentium N3530 is on rank 1156, so the Pentium N3530 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-640UM
Performance Per Dollar Pentium N3530
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-640UM | Pentium N3530 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Bay Trail-M (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Core i7-640UM | Pentium N3530 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
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 i7-640UM and Pentium N3530

Core i7-640UM
The Core i7-640UM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.2 GHz, with boost up to 2.27 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: 1,168 points. Launch price was $305.

Pentium N3530
The Pentium N3530 is manufactured by Intel. It was released in 2007-01-01. It is based on the Bay Trail-M (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 2.16 GHz, with boost up to 2.58 GHz. L3 cache: 2 MB. L2 cache: 2 MB. Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7.5 Watt. Memory support: DDR3L-1333. Passmark benchmark score: 1,159 points. Launch price was $69.
Processing Power
The Core i7-640UM packs 2 cores / 4 threads, while the Pentium N3530 offers 4 cores / 4 threads — the Pentium N3530 has 2 more cores. Boost clocks reach 2.27 GHz on the Core i7-640UM versus 2.58 GHz on the Pentium N3530 — a 12.8% clock advantage for the Pentium N3530 (base: 1.2 GHz vs 2.16 GHz). The Core i7-640UM uses the Arrandale (2010−2011) architecture (32 nm), while the Pentium N3530 uses Bay Trail-M (2013−2014) (22 nm). In PassMark, the Core i7-640UM scores 1,168 against the Pentium N3530's 1,159 — a 0.8% lead for the Core i7-640UM. L3 cache: 4 MB (total) on the Core i7-640UM vs 2 MB on the Pentium N3530.
| Feature | Core i7-640UM | Pentium N3530 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 2.27 GHz | 2.58 GHz+14% |
| Base Clock | 1.2 GHz | 2.16 GHz+80% |
| L3 Cache | 4 MB (total)+100% | 2 MB |
| L2 Cache | 256 kB (per core) | 2 MB+700% |
| Process | 32 nm | 22 nm-31% |
| Architecture | Arrandale (2010−2011) | Bay Trail-M (2013−2014) |
| PassMark | 1,168 | 1,159 |
| Geekbench 6 Single | 226 | — |
| Geekbench 6 Multi | 590 | — |
Memory & Platform
The Core i7-640UM uses the BGA1288 socket (PCIe 2.0), while the Pentium N3530 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i7-640UM | Pentium N3530 |
|---|---|---|
| Socket | BGA1288 | FCBGA1170 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1066 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i7-640UM) / not specified (Pentium N3530). The Core i7-640UM includes integrated graphics (Intel HD Graphics (Ironlake)), while the Pentium N3530 requires a dedicated GPU. Primary use case: Core i7-640UM targets Legacy Laptop. Direct competitor: Core i7-640UM rivals Core 2 Duo SU9600.
| Feature | Core i7-640UM | Pentium N3530 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics (Ironlake) | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Legacy Laptop | — |
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