Side by side comparison and review of Lenovo ThinkPad T440s and Acer ConceptD 7 Ezel (CC715-71). 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outdated design aesthetics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 (CC715-71) 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 (CC715-71) |
|---|
| 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 | 2.5 kg |
| Case Material | Polycarbonate ABS | - |
| Colour | - | The white |
| DISPLAY | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| Screen Size (Type) | 14" - IPS | 15.6" - IPS |
|---|---|---|
| Touchscreen | - | Yes (multi-touch) |
| 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 |
| Features | Anti-glare | Anti-glare, ComfyView, 30 ms response rate, Delta E<2 calibration, Corning Gorilla glass 6, Pantone Matching System (PMS) |
| PROCESSOR | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| CPU | Intel Core i5 (4th Gen) 4300U / 1.9 GHz | Intel Core i7 (10th Gen) 10875H / 2.3 GHz |
|---|---|---|
| Max Turbo Speed | 2.9 GHz | 5.1 GHz |
| Number of Cores | Dual-Core | 8-core |
| Cache | 3 MB | 16 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | - | Intel HM470 |
| Features | Integrated memory controller | Intel Thermal Velocity Boost |
| MEMORY | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| RAM | 4 GB | 16 GB (2 x 8 GB) |
|---|---|---|
| Max RAM Supported | 12 GB | 32 GB |
| RAM Type | DDR3L SDRAM | DDR4 SDRAM |
| Speed | 1600 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 (CC715-71) |
|---|
| Main Storage Size (HDD/SSD) | 120 GB SSD | 1.024 TB SSD |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| Graphics Processor (GPU) | Intel HD Graphics 4400 | NVIDIA GeForce RTX 2070 |
|---|---|---|
| Video Memory | - | 8 GB GDDR6 SDRAM |
| Camera | Yes - 720p | Yes - HD |
| Camera Features | Face tracking | Windows Hello |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, two microphones |
| Codec | Realtek ALC3232 | - |
| Compliant Standards | High Definition Audio, Dolby Home Theater v4 | - |
| COMMUNICATIONS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| Wireless | - | Bluetooth 5.0, 802.11a/b/g/n/ac Wave 2/ax |
|---|---|---|
| Wireless Controller | - | Intel Wi-Fi 6 AX 201 - M.2 2230 |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Features | - | Wake-on-LAN (WOL) |
| BATTERY | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| 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 8 hours |
| AC ADAPTER | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 45 Watt | 230 Watt, 19.5 V |
| INPUT | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, digitizer, touchpad, digital pen |
|---|---|---|
| Keyboard Backlight | - | Yes |
| Features | Spill-resistant, multi-touch touchpad | Acer FineTip keyboard, Wacom EMR technology, Corning Gorilla Glass touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| 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 3.1 Gen 2 (supports Thunderbolt 3) USB 3.1 Gen 1 (with power off charging) USB 3.1 Gen 1 LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) | - |
| SOFTWARE | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition (Microsoft Authorized Refurbisher (MAR)) | Windows 10 Pro 64-bit Edition |
|---|
| MISCELLANEOUS | Lenovo ThinkPad T440s | Acer ConceptD 7 Ezel (CC715-71) |
|---|
| Dockable | Yes | - |
|---|---|---|
| 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 | Dual Acer AeroBlade 3D Fans |
| 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 |
| Model Number | - | 73RW |
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