Side by side comparison and review of Lenovo ThinkPad E15 Gen 2 (20TE) and Lenovo ThinkPad Z16 Gen 1 (21D5). Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
Advantages and disadvantages of Lenovo ThinkPad E15 Gen 2 (20TE) based on its technical characteristics, features, user experience, expert reviews and price level.
robust build quality
excellent keyboard feel
good security features
decent battery life
affordable price point
average display quality
modest graphics performance
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 (20TE) | 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 | Aluminium (top), polycarbonate ABS (bottom) | Aluminium (top), aluminium (bottom) |
Colour | Black | Black (bottom), arctic grey (top) |
DISPLAY | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Screen Size (Type) | 15.6" - TN | 16" OLED |
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Touchscreen | - | Yes (10-point multi-touch) |
Screen Resolution | 1920 x 1080 (Full HD) | 3840 x 2400 (WQUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 220 cd/m² | 500 cd/m² |
Colour Gamut | 45% NTSC | 100% DCI-P3 |
Features | Anti-glare, 90° 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 (20TE) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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CPU | Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz | AMD Ryzen 7 Pro 6850H / 3.2 GHz |
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Max Turbo Speed | 4.2 GHz | 4.7 GHz |
Number of Cores | Quad-Core | 8-core |
Cache | 8 MB | L3 - 16 MB |
Features | Integrated memory controller | Integrated memory controller |
MEMORY | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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RAM | 8 GB (1 x 8 GB) | 32 GB (provided memory is soldered) |
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Max RAM Supported | 32 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 | 0 | - |
STORAGE | Lenovo ThinkPad E15 Gen 2 (20TE) | 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 - Samsung | 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 (20TE) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Graphics Processor (GPU) | NVIDIA GeForce MX450 / Intel Iris Xe Graphics | AMD Radeon 680M |
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Max Monitors Supported | 2 external monitor(s) | 3 external monitor(s) |
Video Memory | 2 GB GDDR5 SDRAM | - |
Camera | Yes - 720p | Yes - 1080p |
Camera Features | Privacy shutter, fixed focus | 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 audio technology | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 | Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Intel Wi-Fi 6 AX 201 - M.2 Card | Qualcomm NFA725A |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Realtek RTL8111H-CG | - |
Features | Wake-on-LAN (WOL), dual stream (2x2) | - |
BATTERY | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Technology | 3-cell lithium polymer | 4-cell lithium polymer |
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Battery Capacity (Size) | 45 Wh | 72 Wh |
Battery Life | Up to 10.8 hours | - |
AC ADAPTER | Lenovo ThinkPad E15 Gen 2 (20TE) | 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 (20TE) | 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 |
Features | Spill-resistant, multi-touch 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 (20TE) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Slots | 1 x M.2 (PCI Express 3.0 x4) (1 free) | - |
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Interfaces | USB 2.0 USB 3.2 Gen 1 (Always On) USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) 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 |
Memory Card Reader | - | Yes (SD Card, SDXC UHS-II Card) |
SOFTWARE | Lenovo ThinkPad E15 Gen 2 (20TE) | Lenovo ThinkPad Z16 Gen 1 (21D5) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 11 Pro |
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MISCELLANEOUS | Lenovo ThinkPad E15 Gen 2 (20TE) | 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 | Firmware 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-810H tested, self-healing BIOS | 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, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified | RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified, TCO Certified 9.0 |
ENERGY STAR Certified | Yes | - |
EPEAT Compliant | EPEAT Gold | - |
Max Operating Temperature | 35 °C | 35 °C |
Min Operating Temperature | 5 °C | 5 °C |
Humidity Range Operating | 8 - 95% | 8 - 95% |