Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) vs. Lenovo ThinkPad Z13 Gen 1 (21D3)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) and Lenovo ThinkPad Z13 Gen 1 (21D3). With our comprehensive overview, you can simply compare dimensions, performance, storage, functions, but also other key features of both laptops and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the laptop that best fits your needs and expectations.

Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Review

Advantages and disadvantages of Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

adequate connectivity options

solid build quality

simple user interface

mediocre battery life

average display quality

limited graphics performance

slower HDD storage

Lenovo ThinkPad Z13 Gen 1 (21D3) Review

Advantages and disadvantages of Lenovo ThinkPad Z13 Gen 1 (21D3) based on its technical characteristics, features, user experience, expert reviews and price level.

excellent build quality

powerful amd processor

bright oled display

eco-friendly materials

solid security features

higher price point

limited port selection

no dedicated gpu

average battery life

Laptop Comparison and Tests

Difference between Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) and Lenovo ThinkPad Z13 Gen 1 (21D3)
69 % - Design
66 % - Display
45 % - Performance
65 % - Connectivity
65 % - Battery
81 % - Design
84 % - Display
80 % - Performance
85 % - Connectivity
85 % - Battery

Laptop Specifications Comparison

Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) vs. Lenovo ThinkPad Z13 Gen 1 (21D3) Comparison Chart
DESIGN AND DIMENSIONS Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.22 cm x 25.15 cm x 1.99 cm 29.44 cm x 19.96 cm x 1.399 cm
Weight 1.85 kg 1.26 kg
Case Material Polycarbonate ABS Aluminium (top), aluminium (bottom)
Colour Granite black IMR Black (bottom), arctic grey (top)
DISPLAY Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Screen Size (Type) 15.6" - TN 13.3" OLED
Touchscreen - Yes (10-point multi-touch)
LCD Backlight Technology LED backlight -
Screen Resolution 1366 x 768 (HD) 2880 x 1800 (2.8K)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 220 cd/m² 500 cd/m²
Colour Gamut - 100% DCI-P3
Features Anti-glare Anti-reflective, One Glass Solution, anti-smudge, on-cell touch technology, Low Blue Light technology, Dolby Vision, 91.6% screen-to-body ratio
PROCESSOR Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
CPU AMD A9 9425 / 3.1 GHz AMD Ryzen 7 Pro 6850U / 2.7 GHz
Max Turbo Speed 3.7 GHz 4.7 GHz
Number of Cores Dual-Core 8-core
Cache 1 MB L3 - 16 MB
64-bit Computing Yes -
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
RAM 4 GB (1 x 4 GB) 32 GB (provided memory is soldered)
Max RAM Supported 8 GB -
RAM Type DDR4 SDRAM LPDDR5 SDRAM
Speed 2133 MHz 6400 MHz
Rated Speed 2133 MHz 6400 MHz
Form Factor SO-DIMM 260-pin -
Slots Qty 1 -
Empty Slots 0 -
STORAGE Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Main Storage Size (HDD/SSD) 128 GB SSD 2.5" (7 mm) SATA 6Gb/s 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption - Union Memory
AUDIO & VIDEO Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Graphics Processor (GPU) AMD Radeon R5 AMD Radeon 680M
Max Monitors Supported - 2 external monitor(s)
Camera Yes Yes - 1080p
Resolution 0.3 Megapixel -
Camera Features - Windows Hello, fixed focus, e-camera shutter, Discrete IR
Sound Stereo speakers, microphone Stereo speakers, dual array microphone
Codec - Realtek ALC3306
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Atmos
Audio Features - Input: Dolby Voice, 360° far-field
COMMUNICATIONS Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Wireless 802.11a/b/g/n/ac, Bluetooth 4.2 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
Wireless Controller M.2 Card Qualcomm NFA725A
Network Interface - Gigabit Ethernet
Features Single stream (1x1) -
BATTERY Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Technology Lithium Ion 3-cell lithium polymer
Battery Capacity (Size) 30 Wh 51.5 Wh
Battery Life Up to 4 hours -
AC ADAPTER Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Input AC 120/230 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 45 Watt 65 Watt
INPUT Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Type Keyboard, touchpad Keyboard, TrackPoint, UltraNav
Numeric Keypad Yes -
Keyboard Backlight - Yes
Features Multi-touch touchpad, buttonless touchpad Spill-resistant, multi-touch touchpad, edge-to-edge backlit keyboard, Fn keys with Unified Communications controls, glass touchpad, Haptic ForcePad
CONNECTIONS & EXPANSIONS Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Interfaces USB 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
2 x USB4 (supports DisplayPort 1.4a Alt Mode) (Power Delivery 3.0)
Headphone/microphone combo jack
LAN (on supplied adapter)
Memory Card Reader 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) -
SOFTWARE Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Operating System (OS) Windows 10 Home in S mode - English Windows 10 Pro 64-bit Edition (available through downgrade rights from Windows 11 Pro) + Windows 11 Pro Licence
Software Included Microsoft Office (Trial) -
MISCELLANEOUS Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145) Lenovo ThinkPad Z13 Gen 1 (21D3)
Included Accessories Power adapter USB-C power adapter, Lenovo USB-C to Ethernet Adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip Discrete Trusted Platform Module (TPM 2.0) Security Chip with Microsoft Pluton, fingerprint reader
Features Administrator password, hard drive password, power-on 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 RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCO Certified 9.0
ENERGY STAR Certified Yes -
Carbon Footprint - 216 kg carbon emissions (EU)
Max Operating Temperature - 35 °C
Min Operating Temperature - 5 °C
Humidity Range Operating - 8 - 95%
Manufacturer Warranty Limited warranty - 1 year - pick-up and return -
Model Number 15AST 81N3 -
Other Comparisons with Lenovo IdeaPad S145-15AST (Lenovo IdeaPad S145)
Other Comparisons with Lenovo ThinkPad Z13 Gen 1 (21D3)
Other Popular Laptop Comparisons
Other projects: