In depth comparison and review of Lenovo ThinkPad E15 Gen 2 (20T8) and Lenovo ThinkPad Z16 Gen 1 (21D5). 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 2 (20T8) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
solid cpu performance
good keyboard feel
adequate port selection
competitive pricing
average display quality
modest battery life
no thunderbolt support
heavier design
Advantages and disadvantages of Lenovo ThinkPad Z16 Gen 1 (21D5) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
powerful AMD processor
high-resolution display
good battery life
heavier than competitors
expensive base model
limited color options
noisy under load
DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 35.44 cm x 23.74 cm x 1.58 cm |
Weight | 1.7 kg | 1.94 kg |
Case Material | Aluminum, polycarbonate ABS | Aluminium (top), aluminium (bottom) |
Colour | Black | Black (bottom), arctic grey (top) |
DISPLAY | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Screen Size (Type) | 15.6" - IPS | 16" OLED |
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Touchscreen | - | Yes (10-point multi-touch) |
LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2400 (WQUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 250 cd/m² | 500 cd/m² |
Colour Gamut | - | 100% DCI-P3 |
Features | Anti-glare, 170° viewing angle | Anti-reflective, One Glass Solution, anti-smudge, Low Blue Light technology, Dolby Vision, 175° viewing angle, 92.3% screen-to-body ratio |
PROCESSOR | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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CPU | AMD Ryzen 5 4500U / 2.3 GHz | AMD Ryzen 7 Pro 6850H / 3.2 GHz |
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Max Turbo Speed | 4 GHz | 4.7 GHz |
Number of Cores | 6-core | 8-core |
Cache | L3 - 8 MB | L3 - 16 MB |
64-bit Computing | Yes | - |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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RAM | 8 GB (provided memory is soldered) | 32 GB (provided memory is soldered) |
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Max RAM Supported | 24 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 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Main Storage Size (HDD/SSD) | 256 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe) | 1.024 TB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption - Western Digital |
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AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Graphics Processor (GPU) | AMD Radeon Graphics | AMD Radeon 680M |
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Memory Allocation Technology | Shared Video Memory (UMA) | - |
Max Monitors Supported | 2 external monitor(s) | 3 external monitor(s) |
Camera | Yes - 720p | Yes - 1080p |
Camera Features | IR camera, fixed focus, ThinkShutter camera privacy | Windows Hello, fixed focus, e-camera shutter, hybrid FHD/IR camera |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
Codec | Realtek ALC3287 | Realtek ALC3306 |
Compliant Standards | High Definition Audio, Dolby Audio | High Definition Audio, Dolby Atmos |
Audio Features | Harman/kardon stereo speakers | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Realtek RTL8822CE - M.2 Card | Qualcomm NFA725A |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Realtek RTL8111GUS | - |
Features | Dual stream (2x2) | - |
BATTERY | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Technology | Lithium polymer | 4-cell lithium polymer |
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Battery Capacity (Size) | 45 Wh | 72 Wh |
Battery Life | Up to 12.7 hours | - |
AC ADAPTER | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 65 Watt | 135 Watt, 5 / 9 / 15 / 20 V |
INPUT | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | Yes |
Features | Spill-resistant, multi-touch touchpad, buttonless touchpad, Fn keys with Unified Communications controls | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Interfaces | USB 3.2 Gen 1 (Always On) USB 2.0 USB-C 3.2 Gen 1 (supports DisplayPort Alt Mode) (Power Delivery) HDMI LAN Headphone/microphone combo jack |
USB-C 3.2 Gen 2 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) 2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) Headphone/microphone combo jack |
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Memory Card Reader | - | Yes (SD Card, SDXC UHS-II Card) |
SOFTWARE | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition - English | Windows 11 Pro |
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MISCELLANEOUS | Lenovo ThinkPad E15 Gen 2 (20T8) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Included Accessories | USB-C power adapter | USB-C slim power adapter |
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Security | 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, hard drive password, power-on password, RapidCharge, MIL-STD-810G tested | 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 | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified, TCO Certified 9.0 |
SAR Value | 0.438 W/kg (body), 0.438 W/kg (limb) | - |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Gold | - |
TCO Certified | TCO Certified Notebooks 8 | - |
Max Operating Temperature | 35 °C | 35 °C |
Min Operating Temperature | 5 °C | 5 °C |
Humidity Range Operating | 8 - 95% | 8 - 95% |
Manufacturer Warranty | Limited warranty - 1 year - pick-up and return | - |