Lenovo ThinkPad E15 Gen 2 (20TE) vs. Lenovo IdeaPad S145-15IWL (81MV)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad E15 Gen 2 (20TE) and Lenovo IdeaPad S145-15IWL (81MV). 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 ThinkPad E15 Gen 2 (20TE) Review

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

Lenovo IdeaPad S145-15IWL (81MV) Review

Advantages and disadvantages of Lenovo IdeaPad S145-15IWL (81MV) based on its technical characteristics, features, user experience, expert reviews and price level.

affordable price

lightweight design

decent processor performance

solid build quality

adequate connectivity options

average battery life

dim display

no backlit keyboard

limited graphics capabilities

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E15 Gen 2 (20TE) and Lenovo IdeaPad S145-15IWL (81MV)
83 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery
72 % - Design
64 % - Display
65 % - Performance
65 % - Connectivity
65 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 2 (20TE) vs. Lenovo IdeaPad S145-15IWL (81MV) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 36.22 cm x 25.15 cm x 1.99 cm
Weight 1.7 kg 1.85 kg
Case Material Aluminium (top), polycarbonate ABS (bottom) Polycarbonate ABS
Colour Black Platinum grey IMR
DISPLAY Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Screen Size (Type) 15.6" - TN 15.6" - TN
LCD Backlight Technology - LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1366 x 768 (HD)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 220 cd/m² 220 cd/m²
Colour Gamut 45% NTSC -
Features Anti-glare, 90° viewing angle Anti-glare
PROCESSOR Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
CPU Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz Intel Core i3 (8th Gen) 8145U / 2.1 GHz
Max Turbo Speed 4.2 GHz 3.9 GHz
Number of Cores Quad-Core Dual-Core
Cache 8 MB 4 MB
64-bit Computing - Yes
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
RAM 8 GB (1 x 8 GB) 4 GB (provided memory is soldered)
Max RAM Supported 32 GB 12 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 2400 MHz
Rated Speed 3200 MHz 2400 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 0 1
STORAGE Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x4 - Samsung 128 GB SSD M.2 2280 SATA 6Gb/s
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Graphics Processor (GPU) NVIDIA GeForce MX450 / Intel Iris Xe Graphics Intel UHD Graphics
Max Monitors Supported 2 external monitor(s) -
Video Memory 2 GB GDDR5 SDRAM -
Camera Yes - 720p Yes
Resolution - 0.3 Megapixel
Camera Features Privacy shutter, fixed focus -
Sound Stereo speakers, dual array microphone Stereo speakers, microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
Audio Features Harman audio technology -
COMMUNICATIONS Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 802.11a/b/g/n/ac, Bluetooth 4.2
Wireless Controller Intel Wi-Fi 6 AX 201 - M.2 Card M.2 Card
Network Interface Gigabit Ethernet -
Ethernet Controller Realtek RTL8111H-CG -
Features Wake-on-LAN (WOL), dual stream (2x2) Single stream (1x1)
BATTERY Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Technology 3-cell lithium polymer Lithium Ion
Battery Capacity (Size) 45 Wh 30 Wh
Battery Life Up to 10.8 hours Up to 5.5 hours
AC ADAPTER Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Input AC 100-240 V (50/60 Hz) AC 120/230 V (50/60 Hz)
Output 65 Watt 45 Watt
INPUT Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes Yes
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Multi-touch touchpad, buttonless touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Slots 1 x M.2 (PCI Express 3.0 x4) (1 free) -
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 2.0
2 x USB 3.1 Gen 1
HDMI
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 10 Home in S mode - English
Software Included - Microsoft Office (30 days trial)
MISCELLANEOUS Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo IdeaPad S145-15IWL (81MV)
Included Accessories USB-C power adapter Power adapter
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip
Security Slot Type Kensington security slot -
Theft/Intrusion Protection 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, hard drive password, power-on password
Compliant Standards RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, Energy-Related Products (ErP) Lot 3
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
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
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