Side by side comparison and review of Lenovo ThinkPad X1 Extreme (20MG) and Lenovo ThinkPad A475 (20KM). 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.
| DESIGN AND DIMENSIONS | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Product Type | Notebook | Notebook |
|---|---|---|
| Dimensions (WxDxH) | 36.18 cm x 24.57 cm x 1.87 cm | 33.66 cm x 23.25 cm x 1.995 cm |
| Weight | 1.8 kg | 1.65 kg |
| Case Material | Aluminum, glass-fibre reinforced plastic, carbon fibre reinforced plastic | Polyphenylene sulfide |
| Colour | Black | Black |
| DISPLAY | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Screen Size (Type) | 15.6" - IPS | 14" |
|---|---|---|
| Touchscreen | Yes (10-point multi-touch) | - |
| LCD Backlight Technology | LED backlight | LED backlight |
| Screen Resolution | 3840 x 2160 (Ultra HD 4K) | 1366 x 768 (HD) |
| Widescreen | Yes | Yes |
| Image Aspect Ratio | 16:9 | 16:9 |
| Image Brightness | 400 cd/m² | 220 cd/m² |
| Colour Gamut | 100% | - |
| Features | Anti-reflective, capacitive touch screen, 170° viewing angle, Dolby Vision | Anti-glare |
| PROCESSOR | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| CPU | Intel Core i7 (8th Gen) 8850H / 2.6 GHz | AMD A12 PRO-8830B / 2.5 GHz |
|---|---|---|
| Max Turbo Speed | 4.3 GHz | 3.4 GHz |
| Number of Cores | 6-core | Quad-Core |
| Cache | 9 MB | L2 - 2 MB |
| 64-bit Computing | Yes | Yes |
| Chipset | Mobile Intel CM246 | - |
| Features | Integrated memory controller | Integrated memory controller |
| MEMORY | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| RAM | 16 GB (2 x 8 GB) | 8 GB (1 x 8 GB) |
|---|---|---|
| Max RAM Supported | 64 GB | 32 GB |
| RAM Type | DDR4 SDRAM | DDR4 SDRAM |
| Speed | 2666 MHz | 1866 MHz |
| Rated Speed | 2666 MHz | 2400 MHz |
| Form Factor | SO-DIMM 260-pin | SO-DIMM 260-pin |
| Slots Qty | 2 | 2 |
| Empty Slots | 0 | 1 |
| STORAGE | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Main Storage Size (HDD/SSD) | 512 GB SSD M.2 2280 PCIe 3.0 x4 - TCG Opal Encryption, NVM Express (NVMe) - Samsung | 256 GB SSD M.2 PCIe - TCG Opal Encryption, NVM Express (NVMe) - Samsung |
|---|
| AUDIO & VIDEO | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Multi-GPU Configuration | 1 single GPU card / integrated GPU | - |
|---|---|---|
| Graphics Processor (GPU) | NVIDIA GeForce GTX 1050 Ti / Intel UHD Graphics 630 | AMD Radeon R7 |
| Video Memory | 4 GB GDDR5 SDRAM | - |
| Camera | Yes - 720p | Yes - 720p |
| Camera Features | IR camera, ThinkShutter camera privacy | - |
| Sound | Stereo speakers, dual array microphone | Stereo speakers, dual array microphone |
| Codec | Realtek ALC3286 | Realtek ALC3268 |
| Compliant Standards | High Definition Audio, Dolby Audio Premium, Dolby Atmos | High Definition Audio |
| COMMUNICATIONS | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Wireless | 802.11a/b/g/n/ac, Bluetooth 5.0 | 802.11a/b/g/n/ac, Bluetooth 4.1 |
|---|---|---|
| Wireless Controller | Intel Wireless-AC 9560 - M.2 Card | Realtek RTL8822BE - M.2 Card |
| Network Interface | - | Gigabit Ethernet |
| Ethernet Controller | - | Realtek RTL8111EPV |
| Features | Gigabit Ethernet via optional Ethernet (RJ-45) adapter, dual stream (2x2) | - |
| BATTERY | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Technology | 4-cell Lithium Ion | 3-cell Lithium Ion |
|---|---|---|
| Installed Qty | - | 2 |
| Battery Capacity (Size) | 80 Wh | 24 Wh |
| Battery Life | Up to 14.9 hours | Up to 10.26 hours |
| AC ADAPTER | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Input | AC 120/230 V (50/60 Hz) | AC 120/230 V (50/60 Hz) |
|---|---|---|
| Output | 135 Watt, 20 V | 45 Watt, 20 V |
| INPUT | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Type | Keyboard, TrackPoint, UltraNav | Keyboard, TrackPoint, UltraNav |
|---|---|---|
| Keyboard Backlight | Yes | - |
| Features | Spill-resistant, multi-touch touchpad, buttonless touchpad | Spill-resistant, multi-touch touchpad, buttonless touchpad |
| CONNECTIONS & EXPANSIONS | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Interfaces | USB 3.1 Gen 1 USB 3.1 Gen 1 (Always On) 2 x USB-C 3.1 Gen 2 (supports Thunderbolt 3, DisplayPort Alt Mode) (Power Delivery) HDMI Headphone/microphone combo jack Lenovo Ethernet extension connector |
2 x USB 3.1 Gen 1/USB 3.0 USB 3.1 Gen 1/USB 3.0 (Always On) USB-C 3.1 Gen 2 HDMI LAN Dock Headphone/microphone combo jack |
|---|---|---|
| Memory Card Reader | Yes (SD Card, SDHC Card, SDXC Card, SDXC UHS-II Card) | 4 in 1 (SD Card, MultiMediaCard, SDHC Card, SDXC Card, SDXC UHS Card) |
| SOFTWARE | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Operating System (OS) | Windows 10 Pro 64-bit Edition | Microsoft Windows 7 Professional 64-bit Edition (available through downgrade rights from Windows 10 Pro 64-bit) + Windows 10 Pro 64-bit Licence |
|---|
| MISCELLANEOUS | Lenovo ThinkPad X1 Extreme (20MG) | Lenovo ThinkPad A475 (20KM) |
|---|
| Dockable | - | Yes |
|---|---|---|
| Included Accessories | Power adapter | Power adapter |
| Security | Trusted Platform Module (TPM 2.0) Security Chip, fingerprint reader | Trusted Platform Module (TPM 2.0) Security Chip |
| 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, RapidCharge, MIL-STD-810G tested | Administrator password, hard drive password, power-on password, MIL-STD-810G tested |
| Compliant Standards | RoHS | RoHS |
| SAR Value | 0.193 W/kg (body), 0.193 W/kg (limb) | - |
| ENERGY STAR Certified | Yes | Yes |
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