In depth comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and Lenovo ThinkPad T16 Gen 1 (21CJ). 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 E15 Gen 4 (21ED) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
efficient performance
comfortable keyboard
good security features
affordable price
average display quality
limited graphics power
moderate battery life
noisy under load
Advantages and disadvantages of Lenovo ThinkPad T16 Gen 1 (21CJ) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard comfort
impressive battery life
good security features
solid processor performance
heavier than competitors
limited color accuracy
basic graphics power
premium price tag
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 36.19 cm x 25.55 cm x 2.05 cm |
| Weight | 1.78 kg | 1.81 kg |
| Case Material | Aluminium (top), polycarbonate ABS (bottom) | Carbon fibre (top), glass-fibre (top), polycarbonate (top), polyphenylene sulfide (bottom) |
| Colour | Black | Thunder black |
| DISPLAY | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Screen Size (Type) | 15.6" - IPS | 16" - IPS |
|---|---|---|
| Touchscreen | - | Yes (10-point multi-touch) |
| LCD Backlight Technology | LED backlight | - |
| Screen Resolution | 1920 x 1080 (Full HD) | 1920 x 1200 (WUXGA) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:10 |
| Image Brightness | 300 cd/m² | 300 cd/m² |
| Colour Gamut | - | 45% NTSC |
| Features | Anti-glare, 170° viewing angle | Anti-glare, on-cell touch technology, 85° viewing angle |
| PROCESSOR | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| CPU | AMD Ryzen 5 5625U / 2.3 GHz | AMD Ryzen 7 Pro 6850U / 2.7 GHz |
|---|---|---|
| Max Turbo Speed | 4.3 GHz | 4.7 GHz |
| Number of Cores | 6-core | 8-core |
| Cache | L3 - 16 MB | L3 - 16 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| RAM | 8 GB (provided memory is soldered) | 32 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 40 GB | - |
| RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
| Speed | 3200 MHz | 6400 MHz |
| Rated Speed | 3200 MHz | 6400 MHz |
| Form Factor | SO-DIMM 260-pin | - |
| Slots Qty | 1 | - |
| Empty Slots | 1 | - |
| STORAGE | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) | 1 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption, Performance - Samsung |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon 680M |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | 3 external monitor(s) |
| Camera | Yes - 1080p | Yes - 1080p |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3287 | Realtek ALC3287 |
| Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Audio |
| Audio Features | Harman-branded | Input: Dolby Voice, far-field |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
|---|---|---|
| Wireless Controller | M.2 Card | Qualcomm NFA725A |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek RTL8111H-CG | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | Wake-on-LAN (WOL) |
| BATTERY | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Technology | Lithium polymer | 4-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 52.5 Wh |
| Battery Life | Up to 16.5 hours | - |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 65 Watt |
| INPUT | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| 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 E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Slots | 2 x M.2 Card (1 free) | - |
|---|---|---|
| Interfaces | USB 2.0 USB 3.2 Gen 1 (Always On) USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack LAN |
| SOFTWARE | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 11 Pro |
|---|
| MISCELLANEOUS | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo ThinkPad T16 Gen 1 (21CJ) |
|---|
| Included Accessories | USB-C power adapter | USB-C power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader |
| 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, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password | Administrator password, system password, power-on password, RapidCharge, MIL-STD-810H tested, self-healing BIOS, NVMe password, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TCO Certified 9.0 |
| ENERGY STAR Certified | Yes | - |
| EPEAT Compliant | EPEAT Gold | - |
| Carbon Footprint | - | 233 kg carbon emissions (EU) |
| 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 - 1 year - pick-up and return Extended warranty - 1 year - on-site |
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