Lenovo ThinkBook 16 21SKA0FSIG Laptop vs Dell Inspiron 7640 AI Laptop
Here you can compare Lenovo ThinkBook 16 21SKA0FSIG Laptop … and Dell Inspiron 7640 AI Laptop (Intel Co…. Comparing Lenovo ThinkBook 16 21SKA0FSIG Laptop … vs Dell Inspiron 7640 AI Laptop (Intel Co… on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Lenovo ThinkBook 16 21SKA0FSIG Laptop … stands against Dell Inspiron 7640 AI Laptop (Intel Co… and which one should you buy The current lowest price found for Lenovo ThinkBook 16 21SKA0FSIG Laptop … is ₹1,05,990 and for Dell Inspiron 7640 AI Laptop (Intel Co… is ₹93,490. The details of both of these products were last updated on Jul 10, 2026.
| Specification | Lenovo ThinkBook 16 21SKA0FSIG Laptop … | Dell Inspiron 7640 AI Laptop (Intel Co… |
|---|---|---|
| Display | 16 inches | 16 inches |
| CPU | Intel Core Ultra 5 225U | Intel Core Ultra 5 Series 1 125H |
| GPU | Intel Graphics | Intel Graphics |
| RAM | 16 GB | 16 GB LPDDR5X |
| HDD | ||
| Price | ₹1,05,990 | ₹93,490 |
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Overview
| Specs Score | 68 / 100 Better Specs | 54 / 100 |
| CPU Clock Speed | 1.5 GHz Faster Clock Speed | 1.2 GHz |
| CPU Cores | 12 Cores | 14 Cores More CPU Cores |
| Storage | 512 GB SSD | 1 TB SSD More Storage |
| SSD | 512 GB | 1 TB More SSD |
| USB Ports | 2 x USB 3.0, 2 x USB Type-C More USB Ports | 2 x USB 3.0, 1 x USB Type-C |
| Unique Features | Lock Port No No | No Fingerprint Sensor Thunderbolt Port |
General
| Series | Thinkbook 16 | Inspiron 7640 |
| Model | 21SKA0FSIG | |
| Utility | Everyday Use | Everyday Use |
| Device Type | Ultrabook | |
| OS | Windows 11 Home (64-bit) | Windows 11 Home (64-bit) |
| Warranty | 1 year Warranty | 1 year Warranty |
Display
| Type | IPS | |
| Touch | No | No |
| Size | 16 inches | 16 inches |
| Resolution | 1920 x 1200 pixels | 1920 x 1200 pixels |
| PPI | ~ 142 PPI | ~ 142 PPI |
| Refresh Rate | 60 Hz | 90 Hz |
| Aspect Ratio | 16:9 | 16:10 |
| Anti Glare Screen | Yes | Yes |
| Features | 300 nits | 300 nits ComfortView Plus, Dolby Vision |
Connectivity
| Ethernet | No | No |
| WiFi | Yes | Realtek Wi-Fi 6 RTL8852BE, 2x2 |
| Bluetooth | Yes | Yes |
| USB Ports | 2 x USB Type-C, 2 x USB 3.0 | 1 x USB Type-C, 2 x USB 3.0 |
| USB Port Details | 1x USB-A (USB 5Gbps/USB 3.2 Gen 1), 1x USB-A (USB 5Gbps/USB 3.2 Gen 1), Always On, 1x USB-C (USB 10Gbps/USB 3.2 Gen 2), with USB PD 45-65W and DisplayPort 1.4, 1x USB-C (Thunderbolt 4/USB4 40Gbps), with USB PD 45-65W and DisplayPort 2.1) | 2x USB 3.2 Gen 1 Type A & 1x Thunderbolt 4.0 |
| Thunderbolt | Yes | |
| HDMI | 1 x HDMI Port | 1 x HDMI 2.1 Port |
| Micro SD Card Reader | Yes | |
| Fingerprint Sensor | Yes | |
| Microphone In | Yes | Yes |
| Headphone Jack | Yes | Yes |
| Security Lock Port | Yes |
Input
| Camera | Yes | Yes |
| Keyboard | English International Backlit Copilot Key Keyboard, No Numeric Keypad | |
| Keyboard Backlit | Yes | Yes |
| Touchpad | Yes | Yes |
| Inbuilt Microphone | Dual Array Microphone | Dual-array Microphones |
| Speakers | Stereo speakers | 2 Tuned Speakers |
| Sound | Dolby Atmos | |
| Optical Drive | No | No |
Processor
| Processor | Intel Core Ultra 5 225U | Intel Core Ultra 5 Series 1 125H |
| Speed | 2 x 1.5 GHz (Turbo Speed upto 4.8 GHz) Performance Cores 8 x 1.3 GHz (Turbo Speed upto 3.8 GHz) Efficient Cores 2 x 700 GHz (Turbo Speed upto 2.4 GHz) Low Power Efficient Cores | 4 x 1.2 GHz (Turbo Speed upto 4.5 GHz) Performance Cores 8 x 700 MHz (Turbo Speed upto 3.6 GHz) Efficient Cores 2 x 700 MHz (Turbo Speed upto 2.5 GHz) Low Power Efficient Cores |
| Cores | 12 Cores (2P + 8E + 2LP-E), 14 Threads | 14 Cores (4P + 8E + 2LP-E), 18 Threads |
| Cache | 12 MB | 18 MB |
| Brand | Intel | Intel |
| Series | Core Ultra 5 | Core Ultra 5 Series 1 |
| Model | 225U | 125H |
| Generation | Intel Core Ultra Series 2 | Intel Core Ultra Series 1 |
Graphics
| GPU | Intel Graphics | Intel Graphics |
| Brand | Intel | Intel |
Memory
| RAM | 16 GB | 16 GB LPDDR5X |
| RAM Bus Speed | 6400 MHz | |
| Solid State Drive | 512 GB SSD | 1 TB SSD |
| SSD Interface | NVMe |
Extra
| Sales Package | Laptop, Adapter & User Manuals |
Discuss
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