Side by side comparison and review of Lenovo ThinkPad E15 Gen 4 (21ED) and Microsoft Surface. Compare dimensions, processors, batteries, storage capacities and other key specifications and features to simplify the choice of your perfect laptop. Our goal is to make it easier for you to decide on the laptop that will best meet your expectations by revealing the main differences between the products.
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 Microsoft Surface based on its technical characteristics, features, user experience, expert reviews and price level.
versatile form factor
high-resolution touchscreen
lightweight design
solid build quality
good battery life
higher price range
limited port selection
moderate storage options
average graphics performance
DESIGN AND DIMENSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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Product Type | Notebook | Notebook |
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Dimensions (WxDxH) | 36.5 cm x 24 cm x 1.89 cm | 27.8 cm x 20.6 cm x 1.57 cm |
Weight | 1.78 kg | 1.13 kg |
Case Material | Aluminium (top), polycarbonate ABS (bottom) | Polycarbonate, anodised aluminium |
Colour | Black | Platinum |
DISPLAY | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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Screen Size (Type) | 15.6" - IPS | 12.4" |
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Touchscreen | - | Yes (10-point multi-touch) |
LCD Backlight Technology | LED backlight | - |
Screen Resolution | 1920 x 1080 (Full HD) | 1536 x 1024 |
Pixel Density (ppi) | - | 148 |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 3:2 |
Image Brightness | 300 cd/m² | - |
Features | Anti-glare, 170° viewing angle | Corning Gorilla glass 3, Color Calibrated, PixelSense, sRGB Mode, enhanced colour |
PROCESSOR | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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CPU | AMD Ryzen 5 5625U / 2.3 GHz | Intel Core i5 (12th Gen) 1235U |
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Max Turbo Speed | 4.3 GHz | 4.4 GHz |
Number of Cores | 6-core | 10-core |
Cache | L3 - 16 MB | 12 MB |
Features | Integrated memory controller | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) |
MEMORY | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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RAM | 8 GB (provided memory is soldered) | 8 GB |
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Max RAM Supported | 40 GB | - |
RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
Speed | 3200 MHz | - |
Rated Speed | 3200 MHz | - |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 1 | - |
Empty Slots | 1 | - |
STORAGE | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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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 |
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AUDIO & VIDEO | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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Graphics Processor (GPU) | AMD Radeon Graphics | Intel Iris Xe Graphics |
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Max Monitors Supported | 2 external monitor(s) | - |
Camera | Yes - 1080p | Yes - 720p |
Camera Features | Privacy shutter, IR camera, Windows Hello, fixed focus | - |
Sound | Stereo speakers, dual array microphone | Stereo speakers, dual far-field studio microphones |
Codec | Realtek ALC3287 | - |
Compliant Standards | High Definition Audio, Dolby Audio | Dolby Audio Premium |
Audio Features | Harman-branded | Output: Omnisonic speakers |
COMMUNICATIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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Wireless | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 | 802.11a/b/g/n/ac/ax, Bluetooth 5.1 |
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Wireless Controller | M.2 Card | - |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Realtek RTL8111H-CG | - |
Features | Wake-on-LAN (WOL), dual stream (2x2) | - |
BATTERY | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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Technology | Lithium polymer | - |
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Battery Capacity (Size) | 57 Wh | 41 Wh |
Battery Life | Up to 16.5 hours | Up to 15 hours |
AC ADAPTER | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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Input | AC 100-240 V (50/60 Hz) | - |
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Output | 65 Watt | 39 Watt |
INPUT | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, touchpad |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | - |
Features | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls | Precision touchpad |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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Slots | 2 x M.2 Card (1 free) | - |
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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-C 3.2/DisplayPort USB 3.1 Headphone output (mini-phone 3.5 mm) SurfaceConnect |
SOFTWARE | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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Operating System (OS) | Windows 11 Pro - English | Windows 11 Pro |
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Software Included | - | Microsoft 365 Business Standard, Business Premium or Microsoft 365 Apps (30 days trial), Microsoft 365 Apps (requires licence or subscription) |
MISCELLANEOUS | Lenovo ThinkPad E15 Gen 4 (21ED) | Microsoft Surface |
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Dockable | - | Yes |
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Included Accessories | USB-C power adapter | Power adapter |
Integrated Options | - | Ambient light sensor |
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 | Fast charging |
Compliant Standards | RoHS, Energy-Related Products (ErP) Lot 3, TCG Certified, TUV Rheinland Low Blue Light (Software Solution) | - |
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 |
Limited warranty - 1 year |