Lenovo ThinkPad E15 Gen 4 (21ED) vs. Lenovo IdeaPad 3 17IAU7 (82RL)

Laptop Comparison, Reviews and Tests

Detailed comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and Lenovo IdeaPad 3 17IAU7 (82RL). 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 4 (21ED) Review

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

Lenovo IdeaPad 3 17IAU7 (82RL) Review

Advantages and disadvantages of Lenovo IdeaPad 3 17IAU7 (82RL) based on its technical characteristics, features, user experience, expert reviews and price level.

large display

affordable price

decent processor performance

lightweight design

good keyboard layout

average battery life

limited graphics capability

no backlit keyboard

plastic build quality

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E15 Gen 4 (21ED) and Lenovo IdeaPad 3 17IAU7 (82RL)
85 % - Design
72 % - Display
72 % - Performance
85 % - Connectivity
75 % - Battery
75 % - Design
72 % - Display
75 % - Performance
75 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 4 (21ED) vs. Lenovo IdeaPad 3 17IAU7 (82RL) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 39.9 cm x 27.4 cm x 1.99 cm
Weight 1.78 kg 2.04 kg
Case Material Aluminium (top), polycarbonate ABS (bottom) Polycarbonate ABS (bottom), polycarbonate ABS (top)
Colour Black Arctic grey
DISPLAY Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
Screen Size (Type) 15.6" - IPS 17.3" - TN
LCD Backlight Technology LED backlight LED backlight
Screen Resolution 1920 x 1080 (Full HD) 1600 x 900 (HD+)
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:9
Image Brightness 300 cd/m² 250 cd/m²
Colour Gamut - 60% NTSC
Features Anti-glare, 170° viewing angle Anti-glare, 90° viewing angle
PROCESSOR Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
CPU AMD Ryzen 5 5625U / 2.3 GHz Intel Pentium 8505 / 1.2 GHz
Max Turbo Speed 4.3 GHz 4.4 GHz
Number of Cores 6-core 5-core
Cache L3 - 16 MB 8 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
RAM 8 GB (provided memory is soldered) 4 GB (provided memory is soldered)
Max RAM Supported 40 GB 12 GB
RAM Type DDR4 SDRAM DDR4 SDRAM
Speed 3200 MHz 3200 MHz
Rated Speed 3200 MHz 3200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 260-pin
Slots Qty 1 1
Empty Slots 1 1
STORAGE Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) 128 GB SSD M.2 2242 PCIe 3.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
Graphics Processor (GPU) AMD Radeon Graphics Intel UHD Graphics
Max Monitors Supported 2 external monitor(s) 2 external monitor(s)
Camera Yes - 1080p Yes - 720p
Camera Features Privacy shutter, IR camera, Windows Hello, fixed focus Privacy shutter, fixed focus
Sound Stereo speakers, dual array microphone Stereo speakers, dual array microphone
Codec Realtek ALC3287 -
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Audio
Audio Features Harman-branded Noise-cancellation technology
COMMUNICATIONS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.2 802.11a/b/g/n/ac/ax, Bluetooth 5.1
Wireless Controller M.2 Card M.2 Card
Network Interface Gigabit Ethernet -
Ethernet Controller Realtek RTL8111H-CG -
Features Wake-on-LAN (WOL), dual stream (2x2) Dual stream (2x2)
BATTERY Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
Technology Lithium polymer Lithium polymer
Battery Capacity (Size) 57 Wh 38 Wh
Battery Life Up to 16.5 hours Up to 7.1 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 7.1 hours
AC ADAPTER Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
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 IdeaPad 3 17IAU7 (82RL)
Type Keyboard, TrackPoint, UltraNav Keyboard, touchpad
Numeric Keypad Yes Yes
Keyboard Backlight Yes -
Features Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls Multi-touch touchpad, buttonless touchpad, precision touchpad
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
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 2.0
USB 3.2 Gen 1
USB-C 3.2 Gen 1 (supports DisplayPort 1.2 Alt Mode) (Power Delivery 3.0)
HDMI
Headphone/microphone combo jack
Memory Card Reader - 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card)
SOFTWARE Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
Operating System (OS) Windows 11 Pro - English Windows 11 Home in S mode - English
Software Included - Microsoft 365 Personal
MISCELLANEOUS Lenovo ThinkPad E15 Gen 4 (21ED) Lenovo IdeaPad 3 17IAU7 (82RL)
Included Accessories USB-C power adapter Power adapter
Security Discrete 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, power-on password, MIL-STD-810H tested, self-healing BIOS, NVMe password Administrator password, hard drive password, power-on password, RapidCharge, self-healing BIOS
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
ENERGY STAR Certified Yes 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%
Manufacturer Warranty Base warranty - 1 year - pick-up and return
Extended warranty - 1 year - on-site
Limited warranty - 1 year - pick-up and return
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