Detailed comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and Lenovo IdeaPad 310-15ISK (80SM). 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.
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
Advantages and disadvantages of Lenovo IdeaPad 310-15ISK (80SM) based on its technical characteristics, features, user experience, expert reviews and price level.
affordable price
decent processor speed
ample connectivity options
responsive touchpad
lightweight design
average battery life
mediocre display quality
limited graphics performance
standard storage capacity
| DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 37.9 cm x 26 cm x 2.29 cm |
| Weight | 1.78 kg | 2.2 kg |
| Case Material | Aluminium (top), polycarbonate ABS (bottom) | Polycarbonate ABS |
| Colour | Black | Ebony black |
| DISPLAY | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Screen Size (Type) | 15.6" - IPS | 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 | 300 cd/m² | 200 cd/m² |
| Features | Anti-glare, 170° viewing angle | Glare |
| PROCESSOR | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| CPU | AMD Ryzen 5 5625U / 2.3 GHz | Intel Core i3 (6th Gen) 6100U / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.3 GHz | - |
| Number of Cores | 6-core | Dual-Core |
| Cache | L3 - 16 MB | 3 MB |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| 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 | 2133 MHz |
| Rated Speed | 3200 MHz | 2133 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 310-15ISK (80SM) |
|---|
| 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 2.5" SATA - SK Hynix |
|---|---|---|
| Optical Drive | - | DVD-Writer |
| AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Graphics Processor (GPU) | AMD Radeon Graphics | Intel HD Graphics 520 |
|---|---|---|
| Max Monitors Supported | 2 external monitor(s) | - |
| Camera | Yes - 1080p | Yes |
| Resolution | - | 0.3 Megapixel |
| Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | 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 Advanced Audio v2 |
| Audio Features | Harman-branded | - |
| COMMUNICATIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | Bluetooth 4.0, 802.11a/b/g/n/ac |
|---|---|---|
| Wireless Controller | M.2 Card | Intel Dual Band Wireless-AC 3165 - M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Realtek RTL8111H-CG | - |
| Features | Wake-on-LAN (WOL), dual stream (2x2) | - |
| BATTERY | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Technology | Lithium polymer | 2-cell lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 57 Wh | 30 Wh |
| Battery Life | Up to 16.5 hours | - |
| AC ADAPTER | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Input | AC 100-240 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 65 Watt | 45 Watt, 20 V, 2.25 A |
| INPUT | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| 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 |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| 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 3.0 2 x USB 2.0 HDMI LAN Headphone/microphone combo jack VGA |
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Operating System (OS) | Windows 11 Pro - English | Windows 10 Home 64-bit Edition - English |
|---|
| MISCELLANEOUS | Lenovo ThinkPad E15 Gen 4 (21ED) | Lenovo IdeaPad 310-15ISK (80SM) |
|---|
| Included Accessories | USB-C power adapter | Power adapter |
|---|---|---|
| Security | Discrete Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | - |
| Security Slot Type | Kensington security slot | Kensington security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | 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 |
| Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) | RoHS |
| 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 | Base warranty - 1 year - pick-up and return Extended warranty - 1 year - on-site |
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