In depth comparison and review of Lenovo ThinkPad T440s and Acer ConceptD 7 Ezel (CC715). 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.
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outdated design aesthetics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 (CC715) based on its technical characteristics, features, user experience, expert reviews and price level.
innovative dual-hinge design
powerful graphics performance
vibrant 4k display
ample connectivity options
robust build quality
high price point
heavier than competitors
average battery life
limited upgradeability
| DESIGN AND DIMENSIONS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715) |
|---|
| Product Type | Ultrabook | Notebook - slider |
|---|---|---|
| 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 (CC715) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" - IPS |
|---|---|---|
| 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 |
| Features | Anti-glare | Anti-glare, ComfyView, 30 ms response rate, Corning Gorilla glass 6 |
| PROCESSOR | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i7 (11th Gen) 11800H |
|---|---|---|
| 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 (CC715) |
|---|
| RAM | 4 GB | 32 GB (2 x 16 GB) |
|---|---|---|
| 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 (CC715) |
|---|
| Total Capacity | - | 2.048 TB |
|---|---|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 2 x 1.024 TB SSD - Qimonda |
| AUDIO & VIDEO | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | NVIDIA GeForce RTX 3080 |
|---|---|---|
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Camera | Yes - 720p | Yes - HD |
| Camera Features | Face tracking | - |
| Video Resolutions | - | 1280 x 720 |
| Sound | Stereo speakers, dual array microphone | Speakers, two microphones |
| Codec | Realtek ALC3232 | - |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | - |
| COMMUNICATIONS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715) |
|---|
| Wireless | - | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | - | Killer Wi-Fi 6 AX1650i - M.2 2230 (CNVi) |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Dual stream (2x2) |
| BATTERY | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715) |
|---|
| Technology | 3-cell Lithium Ion | 4-cell Lithium Ion |
|---|---|---|
| Installed Qty | 2 | - |
| Max Supported Qty | 2 | - |
| Battery Capacity (Size) | - | 84 Wh |
| Battery Life | - | Up to 11 hours |
| AC ADAPTER | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715) |
|---|
| Input | AC 120/230 V (50/60 Hz) | - |
|---|---|---|
| Output | 45 Watt | 230 Watt, 19.5 V, 11.8 A |
| INPUT | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | Wacom EMR technology |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715) |
|---|
| Interfaces | 2 x USB 3.0 VGA Mini DisplayPort LAN Dock Headphone/microphone combo jack USB 3.0 (Always On) |
HDMI DisplayPort USB-C 3.2 Gen 2 (supports Thunderbolt 4, DisplayPort Alt Mode) 2 x USB 3.2 Gen 2 LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | Yes (SD Card) |
| SOFTWARE | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 11 Pro |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715) |
|---|
| Dockable | Yes | - |
|---|---|---|
| Included Accessories | Power adapter | Power adapter, Wacom pen |
| Integrated Options | - | Accelerometer |
| Security | Trusted Platform Module (TPM 1.2) Security Chip | Fingerprint reader |
| Security Slot Type | Kensington security slot | Noble Wedge 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 | - |
| Compliant Standards | ISO 9001, ISO 14001, WEEE, ISO 27001 | HDCP |
| 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 | - | 72G |
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