In depth comparison and review of Lenovo ThinkPad T540p and Lenovo V15 G4 IAH (83FS). 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 Lenovo ThinkPad T540p based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good performance levels
reliable security features
decent battery life
heavy and bulky
outdated design
mediocre display quality
limited graphics performance
Advantages and disadvantages of Lenovo V15 G4 IAH (83FS) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price point
solid build quality
decent processor performance
sufficient connectivity options
lightweight design
average display quality
limited graphics power
modest battery life
no backlit keyboard
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 37.6 cm x 24.8 cm x 2.77 cm | 35.92 cm x 23.58 cm x 1.99 cm |
| Weight | 2.49 kg | 1.67 kg |
| Case Material | Glass-fibre reinforced plastic | Polycarbonate ABS (bottom), polycarbonate ABS (top) |
| Colour | Black | Business black |
| DISPLAY | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Screen Size (Type) | 15.6" | 15.6" - TN |
|---|---|---|
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1366 x 768 (HD) | 1920 x 1080 (Full HD) |
| V-Sync Rate at Max Res. | - | 60 Hz |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | - | 250 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare | Anti-glare, Low Blue Light technology |
| PROCESSOR | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i5 (12th Gen) 12500H / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 4.5 GHz |
| Number of Cores | Dual-Core | 12-core |
| Cache | 3 MB | 18 MB |
| 64-bit Computing | Yes | - |
| Features | Hyper-Threading Technology, integrated memory controller, Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| RAM | 8 GB | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 16 GB | 16 GB |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Main Storage Size (HDD/SSD) | 240 GB SSD | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|---|---|
| Optical Drive | DVD-Writer removable | - |
| AUDIO & VIDEO | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | - | 2 external monitor(s) |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | - | Privacy shutter, fixed focus |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3232 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | High Definition Audio, Dolby Audio |
| Audio Features | - | Input: noise-cancellation technology |
| COMMUNICATIONS | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Wireless | Bluetooth, Wi-Fi | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | - | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Dual stream (2x2) |
| WWAN |
|---|
| Generation | WWAN upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Technology | Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | - | 38 Wh |
| Battery Life | - | Up to 9.1 hours |
| Battery Run Time | - | Local video (1080p) playback time (150 nits): up to 9.1 hours |
| AC ADAPTER | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | - | 65 Watt |
| INPUT | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad, SMB Service hot key |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Slots | 1 x ExpressCard/34 (1 free) M.2 Card |
- |
|---|---|---|
| Interfaces | 2 x USB 3.0 2 x USB 2.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack |
USB 3.2 Gen 1 USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0) HDMI 1.4b LAN Headphone/microphone combo jack USB 2.0 |
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 11 Pro - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Lenovo ThinkPad T540p | Lenovo V15 G4 IAH (83FS) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Firmware Trusted Platform Module (TPM 2.0) Security Chip |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Administrator password, hard drive password, power-on password, ThinkPad Roll Cage, 1 USB 2.0 (Always On) | Administrator password, hard drive password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS |
| Compliant Standards | ISO 9001, ISO 14001, RoHS, ISO 27001 | RoHS, Energy-Related Products (ErP) Lot 6, FSC, TUV Rheinland Low Blue Light (Software Solution) |
| ENERGY STAR Certified | Yes | - |
| Max Operating Temperature | - | 35 °C |
| Min Operating Temperature | - | 5 °C |
| Humidity Range Operating | - | 8 - 95% |
| Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 1 year - pick-up and return |