In depth comparison and review of Acer ConceptD 7 (CN715-71) and Lenovo ThinkBook 15 G4 IAP (21DJ). 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 Acer ConceptD 7 (CN715-71) based on its technical characteristics, features, user experience, expert reviews and price level.
powerful i7 processor
4K UHD display
accurate color reproduction
ample storage capacity
robust design
heavy build
high price point
average battery life
limited port selection
Advantages and disadvantages of Lenovo ThinkBook 15 G4 IAP (21DJ) based on its technical characteristics, features, user experience, expert reviews and price level.
robust aluminum design
efficient multitasking performance
comprehensive connectivity options
fast charging support
competitive pricing
average display quality
modest battery life
limited graphics performance
noisy under load
| DESIGN AND DIMENSIONS | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Product Type | Notebook | Notebook - 180-degree hinge design |
|---|---|---|
| Dimensions (WxDxH) | 35.85 cm x 25.5 cm x 1.79 cm | 35.7 cm x 23.5 cm x 1.89 cm |
| Weight | 2.1 kg | 1.7 kg |
| Case Material | - | Aluminium (top), polycarbonate ABS (bottom) |
| Colour | White | Dual tone mineral grey |
| DISPLAY | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Screen Size (Type) | 15.6" - IPS | 15.6" - IPS |
|---|---|---|
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1920 x 1080 (Full HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 400 cd/m² | 300 cd/m² |
| Colour Gamut | 100% Adobe RGB | 45% NTSC |
| Features | Anti-glare, ComfyView, 30 ms response rate, Narrow Border Display, Delta E<2 calibration, Pantone Validated | Anti-glare, 170° viewing angle |
| PROCESSOR | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| CPU | Intel Core i7 (9th Gen) 9750H / 2.6 GHz | Intel Core i5 (12th Gen) 1235U / 1.3 GHz |
|---|---|---|
| Max Turbo Speed | 4.5 GHz | 4.4 GHz |
| Number of Cores | 6-core | 10-core |
| Cache | L3 - 12 MB | 12 MB |
| 64-bit Computing | Yes | - |
| Chipset | Mobile Intel HM370 | - |
| Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
| MEMORY | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| RAM | 16 GB (2 x 8 GB) | 8 GB (provided memory is soldered) |
|---|---|---|
| Max RAM Supported | 32 GB | 40 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | - | 3200 MHz |
| Rated Speed | - | 3200 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 1 |
| Empty Slots | 0 | 1 |
| STORAGE | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) - SanDisk | 256 GB SSD M.2 2242 PCIe 4.0 x4 - NVM Express (NVMe) |
|---|
| AUDIO & VIDEO | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Graphics Processor (GPU) | NVIDIA GeForce RTX 2080 | Intel Iris Xe Graphics |
|---|---|---|
| Max Monitors Supported | - | 3 external monitor(s) |
| Video Memory | 8 GB GDDR6 SDRAM | - |
| Camera | Yes - HD | Yes - 1080p |
| Camera Features | - | Privacy shutter, fixed focus |
| Sound | Stereo speakers, two microphones | Stereo speakers, dual array microphone |
| Codec | - | Realtek ALC3287 |
| Compliant Standards | - | High Definition Audio, Dolby Audio |
| Audio Features | MaxxAudio, MaxxBass, MaxxDialog | - |
| COMMUNICATIONS | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
|---|---|---|
| Wireless Controller | Killer Wireless-AC 1550i - M.2 Card | M.2 Card |
| Network Interface | Gigabit Ethernet | Gigabit Ethernet |
| Ethernet Controller | Killer E3000 | Intel I219-V |
| Features | Killer DoubleShot Pro Technology | Wake-on-LAN (WOL), dual stream (2x2) |
| BATTERY | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Technology | 4-cell Lithium Ion | Lithium polymer |
|---|---|---|
| Battery Capacity (Size) | 84 Wh | 45 Wh |
| Battery Life | Up to 8 hours | Up to 8 hours |
| Battery Run Time | - | Local video (1080p) playback time (150 nits): up to 8 hours |
| AC ADAPTER | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
|---|---|---|
| Output | 180 Watt, 19.5 V | 65 Watt |
| INPUT | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Type | Keyboard, touchpad | Keyboard, touchpad |
|---|---|---|
| Numeric Keypad | Yes | Yes |
| Keyboard Backlight | Yes | Yes |
| Features | Multi-gesture touch pad, precision touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad, precision touchpad |
| CONNECTIONS & EXPANSIONS | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Interfaces | HDMI Mini DisplayPort LAN USB 3.0 (with power off charging) USB-C 3.1 Gen 2 (supports Thunderbolt 3) Microphone input Headphone output 2 x USB-C 3.1 Gen 1 |
2 x USB-C 3.2 Gen 2 (supports DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) USB 3.2 Gen 1 (Always On) USB 3.2 Gen 1 USB4 (supports Thunderbolt 4, DisplayPort 1.4 Alt Mode) (Power Delivery 3.0) HDMI LAN Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | - | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card) |
| SOFTWARE | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 11 Pro - English |
|---|---|---|
| Software Included | - | Microsoft Office (Trial) |
| MISCELLANEOUS | Acer ConceptD 7 (CN715-71) | Lenovo ThinkBook 15 G4 IAP (21DJ) |
|---|
| Included Accessories | Power adapter | USB-C slim wall mount power adapter |
|---|---|---|
| Security | - | Firmware Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader |
| Security Slot Type | Kensington security slot | Kensington nano security slot |
| Theft/Intrusion Protection | Security lock slot (cable lock sold separately) | Security lock slot (cable lock sold separately) |
| Features | Power capacity indicator, battery life Indicator, AeroBlade fan | Administrator password, hard drive password, power-on password, MIL-STD-810H tested, Rapid Charge Pro |
| Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 3, 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 | Limited warranty - 1 year - carry-in International travellers warranty - 1 year |
Limited warranty - 1 year - pick-up and return |
| Model Number | 70FF | - |
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