
Core i7-660UM vs Pentium Dual Core T4400

Core i7-660UM

Pentium Dual Core T4400
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 i7-660UM is positioned at rank 1225 and the Pentium Dual Core T4400 is on rank 1034, so the Pentium Dual Core T4400 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i7-660UM
Performance Per Dollar Pentium Dual Core T4400
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i7-660UM | Pentium Dual Core T4400 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($317) | ✅ More affordable ($5) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (NetBurst (2000−2006) / 45 nm) |
💎 Value Proposition
| Insight | Core i7-660UM | Pentium Dual Core T4400 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+6265%) |
| Upfront Cost | ⚠️ Higher cost ($317) | ✅ More affordable ($5) |
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 i7-660UM and Pentium Dual Core T4400

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.

Pentium Dual Core T4400
The Pentium Dual Core T4400 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: P. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,284 points. Launch price was $69.
Processing Power
The Core i7-660UM packs 2 cores / 4 threads, matching the Pentium Dual Core T4400's 2 cores. Boost clocks reach 2.4 GHz on the Core i7-660UM versus 2.2 GHz on the Pentium Dual Core T4400 — a 8.7% clock advantage for the Core i7-660UM (base: 1.33 GHz vs 2.2 GHz). The Core i7-660UM uses the Arrandale (2010−2011) architecture (32 nm), while the Pentium Dual Core T4400 uses NetBurst (2000−2006) (45 nm). In PassMark, the Core i7-660UM scores 1,279 against the Pentium Dual Core T4400's 1,284 — a 0.4% lead for the Pentium Dual Core T4400. L3 cache: 4 MB (total) on the Core i7-660UM vs 0 kB on the Pentium Dual Core T4400.
| Feature | Core i7-660UM | Pentium Dual Core T4400 |
|---|---|---|
| Cores / Threads | 2 / 4 | 2 / 2 |
| Boost Clock | 2.4 GHz+9% | 2.2 GHz |
| Base Clock | 1.33 GHz | 2.2 GHz+65% |
| L3 Cache | 4 MB (total) | 0 kB |
| L2 Cache | 256 kB (per core) | 1 MB+300% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Arrandale (2010−2011) | NetBurst (2000−2006) |
| PassMark | 1,279 | 1,284 |
| Geekbench 6 Single | 250 | — |
| Geekbench 6 Multi | 600 | — |
Memory & Platform
The Core i7-660UM uses the BGA1288 socket (PCIe 2.0), while the Pentium Dual Core T4400 uses P (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Core i7-660UM | Pentium Dual Core T4400 |
|---|---|---|
| Socket | BGA1288 | P |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| 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 i7-660UM) / not specified (Pentium Dual Core T4400). The Core i7-660UM includes integrated graphics (HD Graphics), while the Pentium Dual Core T4400 requires a dedicated GPU. Primary use case: Core i7-660UM targets Budget.
| Feature | Core i7-660UM | Pentium Dual Core T4400 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Budget | — |
Value Analysis
The Core i7-660UM launched at $317 MSRP, while the Pentium Dual Core T4400 debuted at $107.
| Feature | Core i7-660UM | Pentium Dual Core T4400 |
|---|---|---|
| MSRP | $317 | $107-66% |
| Avg Price (30d) | — | $5 |
| Release Date | 2010 | 2009 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















