Lenovo ThinkPad E15 Gen 2 (20TE) vs. Lenovo ThinkBook 16p G4 IRH (21J8)

Laptop Comparison, Reviews and Tests

In depth comparison and review of Lenovo ThinkPad E15 Gen 2 (20TE) and Lenovo ThinkBook 16p G4 IRH (21J8). 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.

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 ThinkBook 16p G4 IRH (21J8) Review

Advantages and disadvantages of Lenovo ThinkBook 16p G4 IRH (21J8) based on its technical characteristics, features, user experience, expert reviews and price level.

powerful amd processor

high-resolution display

solid build quality

good thermal management

decent battery life

heavier than competitors

limited port selection

higher price point

noisy under load

Laptop Comparison and Tests

Difference between Lenovo ThinkPad E15 Gen 2 (20TE) and Lenovo ThinkBook 16p G4 IRH (21J8)
83 % - Design
72 % - Display
75 % - Performance
86 % - Connectivity
75 % - Battery
83 % - Design
86 % - Display
85 % - Performance
85 % - Connectivity
75 % - Battery

Laptop Specifications Comparison

Lenovo ThinkPad E15 Gen 2 (20TE) vs. Lenovo ThinkBook 16p G4 IRH (21J8) Comparison Chart
DESIGN AND DIMENSIONS Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
Product Type Notebook Notebook
Dimensions (WxDxH) 36.5 cm x 24 cm x 1.89 cm 35.46 cm x 25.5 cm x 1.99 cm
Weight 1.7 kg 2.2 kg
Case Material Aluminium (top), polycarbonate ABS (bottom) Aluminium (top), aluminium (bottom)
Colour Black Dual tone storm grey
DISPLAY Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
Screen Size (Type) 15.6" - TN 16" - IPS
Screen Resolution 1920 x 1080 (Full HD) 2560 x 1600 (WQXGA)
V-Sync Rate at Max Res. - 60 Hz
Widescreen Yes Yes
Image Aspect Ratio 16:9 16:10
Image Brightness 220 cd/m² 400 cd/m²
Colour Gamut 45% NTSC 100% sRGB
Features Anti-glare, 90° viewing angle Anti-glare, Delta E<2 calibration, Eyesafe technology, X-Rite Pantone factory color calibration, Dolby Vision, Smart sense panel, ±89° viewing angle
PROCESSOR Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
CPU Intel Core i5 (11th Gen) 1135G7 / 2.4 GHz Intel Core i7 (13th Gen) 13700H / 2.4 GHz
Max Turbo Speed 4.2 GHz 5 GHz
Number of Cores Quad-Core 14-core
Cache 8 MB 24 MB
Features Integrated memory controller Integrated memory controller
MEMORY Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
RAM 8 GB (1 x 8 GB) 16 GB (2 x 8 GB)
Max RAM Supported 32 GB 32 GB
RAM Type DDR4 SDRAM DDR5 SDRAM
Speed 3200 MHz 5200 MHz
Rated Speed 3200 MHz 5200 MHz
Form Factor SO-DIMM 260-pin SO-DIMM 262-pin
Slots Qty 1 2
Empty Slots 0 0
STORAGE Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
Main Storage Size (HDD/SSD) 256 GB SSD M.2 2242 PCIe 3.0 x4 - Samsung 512 GB SSD M.2 2280 PCIe 4.0 x4 - NVM Express (NVMe)
AUDIO & VIDEO Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
Multi-GPU Configuration - 1 single GPU card / integrated GPU
Graphics Processor (GPU) NVIDIA GeForce MX450 / Intel Iris Xe Graphics NVIDIA GeForce RTX 4060 / Intel Iris Xe Graphics
Max Monitors Supported 2 external monitor(s) 3 external monitor(s)
Video Memory 2 GB GDDR5 SDRAM 8 GB GDDR6 SDRAM
Video System Features - NVIDIA Resizable BAR, Advanced Optimus, Dynamic Boost 2.0, Direct X 12 Ultimate, NVIDIA DLSS 3
Camera Yes - 720p Yes - 1080p
Camera Features Privacy shutter, fixed focus Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera
Sound Stereo speakers, dual array microphone Two tweeters, two woofers, dual array microphone
Codec Realtek ALC3287 Realtek ALC3306-CG
Compliant Standards High Definition Audio, Dolby Audio High Definition Audio, Dolby Atmos
Audio Features Harman audio technology Output: harman/kardon stereo speakers, Smart Amplifier (AMP); Input: noise-cancellation technology
VR Ready - Yes
COMMUNICATIONS Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
Wireless 802.11a/b/g/n/ac/ax, Bluetooth 5.1 Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E)
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) Dual stream (2x2)
BATTERY Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
Technology 3-cell lithium polymer Lithium polymer
Battery Capacity (Size) 45 Wh 80 Wh
Battery Life Up to 10.8 hours Up to 18 hours
Battery Run Time - Local video (1080p) playback time (150 nits): up to 18 hours
AC ADAPTER Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
Input AC 100-240 V (50/60 Hz) AC 100-240 V (50/60 Hz)
Output 65 Watt 230 Watt
INPUT Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
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 Spill-resistant, multi-touch touchpad, buttonless touchpad, precision glass touchpad, smart sense keyboard backlight, SMB Service hot key
CONNECTIONS & EXPANSIONS Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
Slots 1 x M.2 (PCI Express 3.0 x4) (1 free) 1 x M.2 (PCI Express 4.0 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
2 x USB 3.2 Gen 2
USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0)
HDMI (8K support)
Headphone/microphone combo jack
Memory Card Reader - Yes (SD Express Card)
SOFTWARE Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
Operating System (OS) Windows 10 Pro 64-bit Edition Windows 11 Pro - English
Software Included - Microsoft Office (Trial)
MISCELLANEOUS Lenovo ThinkPad E15 Gen 2 (20TE) Lenovo ThinkBook 16p G4 IRH (21J8)
Included Accessories USB-C power adapter Power adapter
Integrated Options - Ambient light sensor
Security Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader Firmware Trusted Platform Module (TPM 2.0) Security Chip, 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, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro, self-healing BIOS, LA2-Q AI performance chip
Compliant Standards RoHS, TUV Rheinland Low Blue Light Certification, Energy-Related Products (ErP) Lot 3, TCG Certified RoHS, Energy-Related Products (ErP) Lot 6, FSC, Energy-Related Products (ErP) Lot 26, TUV Rheinland Low Blue Light (Hardware Solution), TCO Certified 9.0, Low-VOC
ENERGY STAR Certified Yes -
EPEAT Compliant EPEAT Gold -
Carbon Footprint - 402 kg carbon emissions (EU)
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
Other Comparisons with Lenovo ThinkPad E15 Gen 2 (20TE)
Other Comparisons with Lenovo ThinkBook 16p G4 IRH (21J8)
Other Popular Laptop Comparisons
Other projects: