Side by side comparison and review of Lenovo ThinkPad T440s and Acer ConceptD 7 Ezel Pro (CC715). 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 T440s based on its technical characteristics, features, user experience, expert reviews and price level.
durable build quality
excellent keyboard feel
efficient power management
solid security features
good connectivity options
average display quality
modest graphics performance
heavier than competitors
outdated design aesthetics
Advantages and disadvantages of Acer ConceptD 7 Ezel Pro (CC715) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-hinge design
powerful processing performance
high-resolution touchscreen
robust build quality
accurate color reproduction
expensive price point
heavier than competitors
limited battery life
modest port selection.
DESIGN AND DIMENSIONS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Product Type | Ultrabook | Notebook - slider |
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Dimensions (WxDxH) | 33.1 cm x 22.6 cm x 2.065 cm | 35.85 cm x 26 cm x 2.86 cm |
Weight | 1.59 kg | 2.54 kg |
Case Material | Polycarbonate ABS | Magnesium-aluminum alloy |
Colour | - | The white |
DISPLAY | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Screen Size (Type) | 14" - IPS | 15.6" - IPS |
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Touchscreen | - | Yes |
LCD Backlight Technology | LED backlight | LED backlight |
Screen Resolution | 1600 x 900 (HD+) | 3840 x 2160 (Ultra HD 4K) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:9 |
Image Brightness | - | 400 cd/m² |
Colour Gamut | - | 100% Adobe RGB, 100% sRGB |
Features | Anti-glare | Anti-glare, ComfyView, 30 ms response rate, Delta E<2 calibration, Corning Gorilla glass 6, Pantone Validated |
PROCESSOR | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i7 (11th Gen) 11800H |
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Max Turbo Speed | 2.9 GHz | 4.6 GHz |
Number of Cores | Dual-Core | 8-core |
Cache | 3 MB | 24 MB |
64-bit Computing | Yes | - |
Chipset | - | Intel HM570 |
Features | Integrated memory controller | Intel Smart Cache, Intel Deep Learning Boost (DL Boost) |
MEMORY | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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RAM | 4 GB | 32 GB (2 x 16 GB) |
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Max RAM Supported | 12 GB | 64 GB |
RAM Type | DDR3L SDRAM | DDR4 SDRAM |
Speed | 1600 MHz | 3200 MHz |
Rated Speed | - | 3200 MHz |
Form Factor | SO-DIMM 204-pin | SO-DIMM 260-pin |
Slots Qty | - | 2 |
Empty Slots | - | 0 |
STORAGE | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Main Storage Size (HDD/SSD) | 120 GB SSD | 1.024 TB SSD PCIe - Self-Encrypting Drive, NVM Express (NVMe) - Samsung |
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AUDIO & VIDEO | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Graphics Processor (GPU) | Intel HD Graphics 4400 | NVIDIA RTX A3000 |
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Video Memory | - | 6 GB GDDR6 SDRAM |
Camera | Yes - 720p | Yes - HD |
Camera Features | Face tracking | - |
Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
Codec | Realtek ALC3232 | - |
Compliant Standards | High Definition Audio, Dolby Home Theater v4 | DTS:X Ultra |
Audio Features | - | Acer TrueHarmony technology |
COMMUNICATIONS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Wireless | - | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
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Wireless Controller | - | Killer Wi-Fi 6 AX1650i - M.2 2230 (CNVi) |
Network Interface | Gigabit Ethernet | Gigabit Ethernet |
Features | - | Dual stream (2x2), MU-MIMO |
BATTERY | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Technology | 3-cell Lithium Ion | - |
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Installed Qty | 2 | - |
Max Supported Qty | 2 | - |
Battery Capacity (Size) | - | 84 Wh |
AC ADAPTER | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 45 Watt | 230 Watt, 19.5 V, 11.8 A |
INPUT | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, touchpad, digital pen |
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Keyboard Backlight | - | Yes |
Features | Spill-resistant, multi-touch touchpad | Wacom EMR technology |
CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack USB 3.0 (Always On) |
HDMI DisplayPort 2 x USB-C 3.2 (supports Thunderbolt 4) USB 3.2 (with power off charging) USB 3.2 LAN Headphone/microphone combo jack |
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Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (SD Card) |
SOFTWARE | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 11 Pro |
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Software Included | - | NVIDIA Studio drivers |
MISCELLANEOUS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel Pro (CC715) |
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Dockable | Yes | - |
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Included Accessories | Power adapter | Power adapter, Wacom pen |
Security | Trusted Platform Module (TPM 1.2) 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, hard drive password, power-on password, MIL-STD-810G tested | Acer Purified.Voice technology, 4th Gen AeroBlade 3D Metal fan technology |
Compliant Standards | ISO 9001, ISO 14001, WEEE, ISO 27001 | - |
ENERGY STAR Certified | Yes | - |
Manufacturer Warranty | Limited warranty - 2 years - pick-up and return | Limited warranty - 3 years - carry-in International travellers warranty - 1 year |
Model Number | - | 72P |