In depth comparison and review of Dell Inspiron 7590 and Lenovo ThinkPad T14 Gen 4 (21K3). Compare sizes, performance, storage capacities, batteries and other important specifications and features to easily choose the right laptop for you. Our goal is to help you uncover differences between the products and find the laptop that will best fit your needs.
Advantages and disadvantages of Dell Inspiron 7590 based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight design
powerful processor
high-resolution display
solid build quality
fast SSD storage
average battery life
no optical drive
limited port selection
higher price range
Advantages and disadvantages of Lenovo ThinkPad T14 Gen 4 (21K3) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful processor options
good battery life
impressive security features
heavier than competitors
average display brightness
limited color options
pricey base model
| DESIGN AND DIMENSIONS | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.76 cm x 23.88 cm x 1.99 cm | 31.77 cm x 22.69 cm x 1.79 cm |
| Weight | 1.81 kg | 1.39 kg |
| Case Material | - | Carbon fibre hybrid (top), polyphenylene sulfide (bottom) |
| Colour | Abyss black | Thunder black |
| DISPLAY | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | - | 16:10 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, Wide Viewing Angle | Anti-glare |
| PROCESSOR | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| CPU | Intel Core i7 (9th Gen) 9750H / 2.6 GHz | AMD Ryzen 5 Pro 7540U / 3.2 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 4.9 GHz |
| Number of Cores | 6-core | 6-core |
| Cache | L3 - 12 MB | L3 - 16 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel HM370 | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| RAM | 8 GB (1 x 8 GB) | 16 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5X SDRAM |
| Speed | 2666 MHz | 6400 MHz |
| Rated Speed | 2666 MHz | 6400 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 2 | - |
| Empty Slots | 1 | - |
| STORAGE | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 PCIe - NVM Express (NVMe) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1050 | AMD Radeon 740M |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 3 GB GDDR5 SDRAM | - |
| Camera | Yes - HD | Yes - 1080p |
| Resolution | 0.92 Megapixel | - |
| Camera Features | 74.9 degrees, RGB camera | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera, Ultrasonic Human Presence Detection |
| Image Sensor Type | CMOS | - |
| Video Resolutions | 1280 x 720 | - |
| Frame Rate | 30 frames per second | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3254 | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | MaxxAudio Pro | Input: Dolby Voice, 360° far-field |
| COMMUNICATIONS | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | - | MediaTek RZ616 |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111EPV |
| Compliant Standards | - | DASH |
| Features | - | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | - | 4G upgradable |
|---|
| BATTERY | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Technology | 3-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 56 Wh | 52.5 Wh |
| AC ADAPTER | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Input | - | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt |
| INPUT | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | - |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-gesture touch pad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Interfaces | 3 x USB 3.1 Gen 1 USB-C 3.1 (supports Thunderbolt 3) HDMI Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (microSD) | - |
| SOFTWARE | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Operating System (OS) | Windows 10 Home Advanced 64-bit Edition | Windows 11 Pro - English |
|---|---|---|
| Software Included | - | Glance by Mirametrix |
| MISCELLANEOUS | Dell Inspiron 7590 | Lenovo ThinkPad T14 Gen 4 (21K3) |
|---|
| Included Accessories | Power adapter | USB-C power adapter |
|---|---|---|
| Security | Fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader, smart card reader |
| Security Slot Type | - | Kensington nano security slot |
| Theft/Intrusion Protection | - | Security lock slot (cable lock sold separately) |
| Features | MU-MIMO technology | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
| Max Operating Temperature | 40 °C | 35 °C |
| Min Operating Temperature | 0 °C | 5 °C |
| Humidity Range Operating | 10 - 90% (non-condensing) | 8 - 95% |
| Manufacturer Warranty | - | Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site Extended warranty - 1 year - on-site - response time: next business day |
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