In depth comparison and review of Acer ConceptD 7 (CN715-71) and Lenovo ThinkPad X1 Carbon Gen 11 (21HM). 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 ThinkPad X1 Carbon Gen 11 (21HM) based on its technical characteristics, features, user experience, expert reviews and price level.
lightweight and portable
robust build quality
excellent keyboard comfort
impressive battery life
high-resolution display
higher price point
limited graphics performance
no HDMI port
fewer color options
DESIGN AND DIMENSIONS | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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Product Type | Notebook | Notebook - 180-degree hinge design |
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Dimensions (WxDxH) | 35.85 cm x 25.5 cm x 1.79 cm | 31.56 cm x 22.25 cm x 1.536 cm |
Weight | 2.1 kg | 1.12 kg |
Case Material | - | Aluminium (bottom), carbon fibre (top) |
Colour | White | Deep black paint |
DISPLAY | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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Screen Size (Type) | 15.6" - IPS | 14" - IPS |
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LCD Backlight Technology | LED backlight | - |
Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1920 x 1200 (WUXGA) |
Widescreen | Yes | Yes |
Image Aspect Ratio | 16:9 | 16:10 |
Image Brightness | 400 cd/m² | 400 cd/m² |
Colour Gamut | 100% Adobe RGB | 100% sRGB |
Features | Anti-glare, ComfyView, 30 ms response rate, Narrow Border Display, Delta E<2 calibration, Pantone Validated | Anti-glare, Low Power, Eyesafe technology |
PROCESSOR | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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CPU | Intel Core i7 (9th Gen) 9750H / 2.6 GHz | Intel Core i5 (13th Gen) 1335U / 1.3 GHz |
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Max Turbo Speed | 4.5 GHz | 4.6 GHz |
Number of Cores | 6-core | 10-core |
Cache | L3 - 12 MB | 12 MB |
64-bit Computing | Yes | - |
Chipset | Mobile Intel HM370 | - |
Platform Technology | - | Intel Evo |
Features | Intel Turbo Boost Technology 2.0 | Integrated memory controller |
MEMORY | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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RAM | 16 GB (2 x 8 GB) | 16 GB (provided memory is soldered) |
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Max RAM Supported | 32 GB | - |
RAM Type | DDR4 SDRAM | LPDDR5 SDRAM |
Speed | - | 6400 MHz |
Rated Speed | - | 6400 MHz |
Form Factor | SO-DIMM 260-pin | - |
Slots Qty | 2 | - |
Empty Slots | 0 | - |
STORAGE | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe - NVM Express (NVMe) - SanDisk | 256 GB SSD M.2 2280 PCIe 4.0 x4 - TCG Opal Encryption 2, NVM Express (NVMe) |
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AUDIO & VIDEO | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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Graphics Processor (GPU) | NVIDIA GeForce RTX 2080 | Intel Iris Xe Graphics |
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Max Monitors Supported | - | 3 external monitor(s) |
Video Memory | 8 GB GDDR6 SDRAM | - |
Video System Features | - | Functions as Intel UHD graphics (for single-channel memory) |
Camera | Yes - HD | Yes - 1080p |
Camera Features | - | Privacy shutter, Windows Hello, fixed focus, hybrid FHD/IR camera |
Sound | Stereo speakers, two microphones | Stereo speakers, two tweeters, two woofers, quad array microphone |
Codec | - | Realtek ALC3306 |
Compliant Standards | - | High Definition Audio, Dolby Atmos |
Audio Features | MaxxAudio, MaxxBass, MaxxDialog | Input: Dolby Voice, 360° far-field |
COMMUNICATIONS | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | NFC, Bluetooth 5.1, 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
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Wireless Controller | Killer Wireless-AC 1550i - M.2 Card | Intel Wi-Fi 6E AX 211 |
Network Interface | Gigabit Ethernet | - |
Ethernet Controller | Killer E3000 | - |
Features | Killer DoubleShot Pro Technology | Dual stream (2x2) |
WWAN |
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Generation | - | 4G/5G upgradable |
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BATTERY | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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Technology | 4-cell Lithium Ion | Lithium polymer |
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Battery Capacity (Size) | 84 Wh | 57 Wh |
Battery Life | Up to 8 hours | - |
AC ADAPTER | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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Input | AC 120/230 V (50/60 Hz) | AC 100-240 V (50/60 Hz) |
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Output | 180 Watt, 19.5 V | 65 Watt |
INPUT | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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Type | Keyboard, touchpad | Keyboard, TrackPoint, UltraNav |
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Numeric Keypad | Yes | - |
Keyboard Backlight | Yes | Yes |
Features | Multi-gesture touch pad, precision touchpad | Spill-resistant, multi-touch touchpad, Fn keys with Unified Communications controls, glass touchpad, air intake key design |
CONNECTIONS & EXPANSIONS | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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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 |
USB 3.2 Gen 1 USB 3.2 Gen 1 (Always On) 2 x USB4 (supports Thunderbolt 4, DisplayPort 1.4a Alt Mode) (Power Delivery 3.0) HDMI (4K support) Headphone/microphone combo jack |
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SOFTWARE | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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Operating System (OS) | Windows 10 Pro 64-bit Edition | Windows 11 Pro - English |
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Software Included | - | Glance by Mirametrix, Intel Connectivity Performance Suite |
MISCELLANEOUS | Acer ConceptD 7 (CN715-71) | Lenovo ThinkPad X1 Carbon Gen 11 (21HM) |
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Included Accessories | Power adapter | USB-C slim power adapter |
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Security | - | Discrete 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, system password, power-on password, RapidCharge, MIL-STD-810H tested, NVMe password, Firmware Resiliency 3.0, certificate based BIOS authentication, FIDO (Fast Identity Online) authentication |
Compliant Standards | - | RoHS, Energy-Related Products (ErP) Lot 6, TCG Certified, Energy-Related Products (ErP) Lot 26, TCO Certified 9.0 |
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 |
Base warranty - 3 years - pick-up and return Base warranty - battery - 1 year Extended warranty - 3 years - on-site - response time: next business day |
Model Number | 70FF | - |