In depth comparison and review of Lenovo ThinkPad T14 Gen 4 (21K3) and Lenovo ThinkPad E14 Gen 5 (21JK). 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 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
Advantages and disadvantages of Lenovo ThinkPad E14 Gen 5 (21JK) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
good battery life
affordable price
average display quality
limited graphics power
no thunderbolt support
modest storage options
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Product Type | Notebook - 180-degree hinge design | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 31.77 cm x 22.69 cm x 1.79 cm | 31.3 cm x 21.93 cm x 1.799 cm |
| Weight | 1.39 kg | 1.53 kg |
| Case Material | Carbon fibre hybrid (top), polyphenylene sulfide (bottom) | Aluminium (top), aluminium (bottom) |
| Colour | Thunder black | Graphite black |
| DISPLAY | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Screen Size (Type) | 14" - IPS | 14" - IPS |
|---|---|---|
| Screen Resolution | 1920 x 1200 (WUXGA) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:10 | 16:10 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | 45% NTSC | 45% NTSC |
| Features | Anti-glare | Anti-glare |
| PROCESSOR | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| CPU | AMD Ryzen 5 Pro 7540U / 3.2 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.9 GHz | 4.6 GHz |
| Number of Cores | 6-core | 10-core |
| Cache | L3 - 16 MB | 12 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| RAM | 16 GB (provided memory is soldered) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | - | 40 GB |
| RAM Type | LPDDR5X SDRAM | DDR4 SDRAM |
| Speed | 6400 MHz | 3200 MHz |
| Rated Speed | 6400 MHz | 3200 MHz |
| Form Factor | - | SO-DIMM 260-pin |
| Slots Qty | - | 1 |
| Empty Slots | - | 1 |
| STORAGE | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Graphics Processor (GPU) | AMD Radeon 740M | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | 3 external monitor(s) | 3 external monitor(s) |
| Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
| Camera | Yes - 1080p | Yes - 1080p |
| Camera Features | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera, Ultrasonic Human Presence Detection | Privacy shutter, Windows Hello, fixed focus, hybrid IR camera |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | Synaptic CX11880 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Atmos |
| Audio Features | Input: Dolby Voice, 360° far-field | Input: Dolby Voice |
| COMMUNICATIONS | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Wireless | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
|---|---|---|
| Wireless Controller | MediaTek RZ616 | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek RTL8111EPV | Intel I219-V |
| Compliant Standards | DASH | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | Wake-on-LAN (WOL), dual stream (2x2) |
| WWAN |
|---|
| Generation | 4G upgradable | - |
|---|
| BATTERY | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Technology | Lithium polymer | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 52.5 Wh | 57 Wh |
| AC ADAPTER | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | Yes |
| Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Slots | - | 1 x M.2 (PCI Express 3.0 x4) (1 free) |
|---|---|---|
| Interfaces | 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 |
USB 2.0 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI (4K support) LAN Headphone/microphone combo jack |
| SOFTWARE | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Pro - English |
|---|---|---|
| Software Included | Glance by Mirametrix | Intel Connectivity Performance Suite |
| MISCELLANEOUS | Lenovo ThinkPad T14 Gen 4 (21K3) | Lenovo ThinkPad E14 Gen 5 (21JK) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader, smart card reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington nano 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication | Administrator password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 | RoHS, Energy-Related Products (ErP) Lot 6, FSC, TCG Certified, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Software Solution), TCO Certified 9.0 |
| Max Operating Temperature | 35 °C | 35 °C |
| Min Operating Temperature | 5 °C | 5 °C |
| Humidity Range Operating | 8 - 95% | 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 |
Limited warranty - 1 year - pick-up and return |
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