Lenovo ThinkPad X1 Extreme Gen 2 vs. Lenovo Legion Slim 7i (15”, Intel, 2020): Which is better?

Here is a side by side comparison between Lenovo ThinkPad X1 Extreme Gen 2 and Lenovo Legion Slim 7i (15”, Intel, 2020) specs including CPU, RAM, storage, battery, display, and more.

Lenovo ThinkPad X1 Extreme Gen 2 Pros

Reasons that Lenovo ThinkPad X1 Extreme Gen 2 is better than Lenovo Legion Slim 7i (15”, Intel, 2020).

Supports larger memory

Lenovo ThinkPad X1 Extreme Gen 2 supports a larger memory capacity than the Lenovo Legion Slim 7i (15”, Intel, 2020). It supports up to 64GB versus 32GB of system memory on the Lenovo Legion Slim 7i (15”, Intel, 2020).

Max system memory size
Lenovo ThinkPad X1 Extreme Gen 2
64 GB
Lenovo Legion Slim 7i (15”, Intel, 2020)
32 GB
About 9% lighter

Lenovo ThinkPad X1 Extreme Gen 2 weighed 3.76 pounds, 9% lighter than the 4.1 pounds Lenovo Legion Slim 7i (15”, Intel, 2020).

WeightLenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
Pound
3.76 lbs.
4.1 lbs.
Kilogram
1.71 kg
1.86 kg

Lenovo Legion Slim 7i (15”, Intel, 2020) Pros

Reasons that Lenovo Legion Slim 7i (15”, Intel, 2020) is better than Lenovo ThinkPad X1 Extreme Gen 2.

Newer manufacturing

2020 vs. 2019

Slightly faster CPU performance

Intel Core i9-10980HK inside Lenovo Legion Slim 7i (15”, Intel, 2020) has a 14% better multi-core CPU performance score than the Intel Core i9-9880H inside Lenovo ThinkPad X1 Extreme Gen 2.

Geekbench 5 multi-core score
Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i9-10980HK
7,013
Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i7-10875H
6,874
Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i7-10870H
6,596
Lenovo ThinkPad X1 Extreme Gen 2 - Intel Core i9-9880H
6,100
Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i7-10750H
5,412
Lenovo ThinkPad X1 Extreme Gen 2 - Intel Core i7-9850H
4,914
Lenovo ThinkPad X1 Extreme Gen 2 - Intel Core i7-9750H
4,880
Lenovo Legion Slim 7i (15”, Intel, 2020) - Intel Core i5-10300H
3,747
Lenovo ThinkPad X1 Extreme Gen 2 - Intel Core i5-9400H
3,690
Lenovo ThinkPad X1 Extreme Gen 2 - Intel Core i5-9300H
3,308
Supports faster memory

Lenovo Legion Slim 7i (15”, Intel, 2020) supports a faster memory speed than the Lenovo ThinkPad X1 Extreme Gen 2. It supports up to 3200MHz versus 2666MHz of system memory on the Lenovo ThinkPad X1 Extreme Gen 2.

Memory type and speed
Lenovo Legion Slim 7i (15”, Intel, 2020) - DDR4
3,200 MHz
Lenovo ThinkPad X1 Extreme Gen 2 - DDR4
2,666 MHz

Prices

Here are the latest price updates and offers for both devices.

Lenovo ThinkPad X1 Extreme Gen 2 Price
Lenovo ThinkPad X1 Extreme Gen 4 16" 2K QHD (Intel Core i7-11800H, 64GB RAM, 2TB SSD, Geforce RTX 3050 Ti) Business & Mobile Workstation Laptop, Backlit, FP, 3-Yr WRT, IST Cable, Win 11 Pro, Black
Lenovo ThinkPad X1 Extreme Gen 4 16" 2K QHD (Intel Core i7-11800H, 64GB RAM, 2TB SSD, Geforce RTX 3050 Ti) Business & Mobile Workstation Laptop, Backlit, FP, 3-Yr WRT, IST Cable, Win 11 Pro, Black
By Lenovo
$1,799.99
Lenovo ThinkPad X1 Carbon Gen 10 Business Laptop (14" FHD+ Touchscreen, Intel 12-Core i7-1270P vPro, 32GB LPDDR5 RAM, 1TB SSD), Backlit, Fingerprint, FHD Webcam, Wi-Fi 6E, IST Cable, Win 11 Pro, Balck
Lenovo ThinkPad X1 Carbon Gen 10 Business Laptop (14" FHD+ Touchscreen, Intel 12-Core i7-1270P vPro, 32GB LPDDR5 RAM, 1TB SSD), Backlit, Fingerprint, FHD Webcam, Wi-Fi 6E, IST Cable, Win 11 Pro, Balck
By Lenovo
$1,599.99
Lenovo ThinkPad X1 Extreme Gen 4 Intel i7-11850H, 16" WQXGA (2560 x 1600) IPS 400nits, 64GB RAM, 2TB SSD, NVIDIA GeForce RTX 3080 Ti, Backlit KYB, Fingerprint Reader, Windows Pro
Lenovo ThinkPad X1 Extreme Gen 4 Intel i7-11850H, 16" WQXGA (2560 x 1600) IPS 400nits, 64GB RAM, 2TB SSD, NVIDIA GeForce RTX 3080 Ti, Backlit KYB, Fingerprint Reader, Windows Pro
By Lenovo
$1,980.77
Lenovo Legion Slim 7i (15”, Intel, 2020) Price
Lenovo Legion Pro 7i Gen 9 16" Gaming Laptop (2024 Model) Intel Core i9-14900HX 24C, NVIDIA GeForce RTX 4090 16GB, 32GB RAM, 2TB (1TB+1TB) NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
Lenovo Legion Pro 7i Gen 9 16" Gaming Laptop (2024 Model) Intel Core i9-14900HX 24C, NVIDIA GeForce RTX 4090 16GB, 32GB RAM, 2TB (1TB+1TB) NVMe SSD, 16.0" IPS QHD+ 500 nits 240Hz, Windows 11 Home
By Lenovo
$3,295.00
Lenovo Legion Pro 7i 16" QHD+ 500nits Gaming Laptop 240Hz Intel Core i9-13900HX 16GB RAM 1TB SSD NVIDIA GeForce RTX 4080 12GB Windows 11 Onyx Grey
Lenovo Legion Pro 7i 16" QHD+ 500nits Gaming Laptop 240Hz Intel Core i9-13900HX 16GB RAM 1TB SSD NVIDIA GeForce RTX 4080 12GB Windows 11 Onyx Grey
By Lenovo
$2,299.99
Lenovo 82VB0002US, Slim 7i - Laptop Computer - Intel Core i7-12700H - 16" WQXGA Touchscreen Display - 16GB - 1TB SSD - Intel Arc A370M Graphics - Windows 11
Lenovo 82VB0002US, Slim 7i - Laptop Computer - Intel Core i7-12700H - 16" WQXGA Touchscreen Display - 16GB - 1TB SSD - Intel Arc A370M Graphics - Windows 11
By Lenovo
$975.00

Availability

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
Released20192020
Release Date-Announced on December 04, 2020

Exterior

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
Dimensions
  • FHD non-touch: 14.24” x 9.67” x .72” / 361.8 x 245.7 x 18.4 (mm)
  • 4K UHD touchscreen: 14.24” x 9.67” x .74” / 361.8 x 245.7 x 18.7 (mm)
14.01 x 9.84 x 0.6 - 0.7 inches (356 x 250 x 15.9 - 17.9 mm)
Weight
  • FHD non-touch: 3.76 lbs (1.7 kg)
  • 4K UHD touchscreen: 4.06 lbs (1.8 kg)
Starting at 4.1 lbs (1.86 kg)
Colors
Black
Slate grey
Keyboard and Trackpad
  • Spill-resistant, Backlit with white LED lighting keyboard
  • Trackpad + TrackPoint® pointing device
  • Multitouch glass touchpad
  • Keyboard
    • 6-row, spill-resistant, multimedia Fn keys, numeric keypad.
  • Keyboard Backlight
    • RGB LED backlight
    • White LED backlight
  • Touchpad
    • Buttonless glass surface multi-touch touchpad supports Precision TouchPad (PTP).

Display

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
Size15.6 Inches15.6 Inches
Info
  • 15.6” FHD (1920 x 1080)
    IPS, anti-glare, 300 nits.
  • 15.6” FHD (1920 x 1080)
    IPS, anti-glare with Dolby Vision™ HDR 400, 500 nits.
  • 15.6” 4K UHD (3840 x 2160)
    IPS, anti-glare with Dolby Vision™ HDR 400, 500 nits.
  • 15.6” 4K UHD (3840 x 2160)
    OLED, anti-reflection/anti-smudge, touchscreen with Dolby Vision™ HDR 500, 400 nits.
  • 15.6" FHD 60Hz
    1920 x 1080 IPS 60 Hz 100% sRGB Dolby Vision® Supported 300 nits
  • 15.6" FHD 144Hz
    1920 x 1080 IPS 144 Hz Up to 5 ms Response Time 100% sRGB Dolby Vision® Supported 300 nits
  • 15.6" UHD 60Hz
    3840 x 2160 IPS 60 Hz 100% Adobe RGB VESA DisplayHDR 400 Certified Dolby Vision® Supported 500 nits

Ports

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
  • 2 x Thunderbolt™ 3
    Supports DisplayPort and data transfer.
  • 2 x USB 3.1 Gen 1
    Full-size USB-A ports (1 port always on).
  • 1 x HDMI 2.0
  • 1 x Headphone / mic combo
  • 1 x 4-in-1 SD card reader
  • 1 x Network extension
  • 1 x AC power in
  • 1 x Kensington slot
  • 1 x Thunderbolt™ 3
    Supports USB 3.2 Gen 2, DisplayPort™ 1.4, and Power Delivery 100W.
  • 1 x USB-A 3.2 Gen 2
  • 1 x USB-A 3.2 Gen 2 (Always On)
  • 1 x 4-in-1 Full-size SD Card Reader
  • 1 x Audio jack
  • 1 x Power adapter

Internal Specs

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
Processor
  1. 9th Gen Intel® Core™ i5-9300H
    4 cores, 8 threads, 2.40 → 4.10 GHz, 8MB SmartCache, 45W
  2. 9th Gen Intel® Core™ i5-9400H
    4 cores, 8 threads, 2.50 → 4.30 GHz, 8MB SmartCache, 45W
  3. 9th Gen Intel® Core™ i7-9750H
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W
  4. 9th Gen Intel® Core™ i7-9850H
    6 cores, 12 threads, 2.60 → 4.60 GHz, 12MB SmartCache, 45W
  5. 9th Gen Intel® Core™ i9-9880H
    8 cores, 16 threads, 2.30 → 4.80 GHz, 16MB SmartCache, 45W
  1. 10th Gen Intel® Core™ i5-10300H
    4 cores, 8 threads, 2.50 → 4.50 GHz, 8MB SmartCache, 45W
  2. 10th Gen Intel® Core™ i7-10750H
    6 cores, 12 threads, 2.60 → 5.00 GHz, 12MB SmartCache, 45W
  3. 10th Gen Intel® Core™ i7-10870H
    8 cores, 16 threads, 2.20 → 5.00 GHz, 16MB SmartCache, 45W
  4. 10th Gen Intel® Core™ i7-10875H
    8 cores, 16 threads, 2.30 → 5.10 GHz, 16MB SmartCache, 45W
  5. 10th Gen Intel® Core™ i9-10980HK
    8 cores, 16 threads, 2.40 → 5.30 GHz, 16MB SmartCache, 45W
Integrated Graphics
  1. 9th Gen Intel® Core™ i5-9300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 9th Gen Intel® Core™ i5-9400H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1100 MHz
  3. 9th Gen Intel® Core™ i7-9750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  4. 9th Gen Intel® Core™ i7-9850H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  5. 9th Gen Intel® Core™ i9-9880H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  1. 10th Gen Intel® Core™ i5-10300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 10th Gen Intel® Core™ i7-10750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 10th Gen Intel® Core™ i7-10870H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  4. 10th Gen Intel® Core™ i7-10875H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1200 MHz
  5. 10th Gen Intel® Core™ i9-10980HK
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1250 MHz
Memory
  • 8GB 16GB 32GB 64GB
    2666 MHz Dual-channel DDR4 RAM.
8GB 16GB 32GB
2933 MHz or 3200 MHz DDR4 Memory
  • Memory Slots
    • 1 x Onboard Memory
    • 1 x SO-DIMM DDR4 Slot
Discrete Graphics
  • NVIDIA® GeForce® GTX 1650 with Max-Q (Optional)
    Turning Architecture, 4GB GDDR5 128-bit, 1395 → 1560 MHz, 1024 CUDA Cores.
  • NVIDIA® GeForce® GTX 1650 Ti
    4GB GDDR6
  • NVIDIA® GeForce® GTX 1660 Ti
    Max-Q Design, 6GB GDDR6
  • NVIDIA® GeForce RTX™ 2060
    Max-Q Design, 6GB GDDR6
  • Supports External eGPU Support
Storage
  • 256 GB 512 GB 1 TB
    M.2 2280 PCIe NVMe (Replaceable).
  • Up to 2 SSDs (2 x M.2 2280 PCIe TLC & SATA) up to 2TB max
512 GB 1TB 2TB
M.2 2280 SSD
  • 2 x PCIe NVMe, PCIe 3.0 x4 slots

Connectivity

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
Wi-Fi
  • Intel® AX200 Wi-Fi 6 802.11AX (2 x 2)
    Up to 2400 Mbps, Dual band 2.4 GHz/5 GHz, 802.11 a/b/g/n/ac/ax.
Killer Wi-Fi 6 AX1650, 802.11ax 2x2 Wi-Fi + Bluetooth 5.1, M.2 Card
Bluetooth
  • Bluetooth 5.0
Bluetooth 5.1

Battery

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
Size
  • 4-cell smart lithium-ion
  • Battery Capacity: 80 Wh
71 WHr (Integrated 3-Cell Li-Polymer battery)
Supports Rapid Charge Boost (get 2 hours of runtime with a 15-minute charge)
Battery Life
  • Up to 14 hours
* Tested with MobileMark 2014
Up to 5.8 hours
Tested with MobileMark® 2018
Power Supply
  • 135 W USB (Type-C) power adapter
    Supports Rapid Charge.
170W 230W
Slim tip AC adapter.

Software

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
OS
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
  • Windows 10 Home 64
  • Windows 10 Pro 64
  • FreeDOS
  • No operating system
Built-in Apps-
Lenovo Vantage Dolby Atmos® Speaker System Dolby Vision® McAfee® Antivirus

Camera & Audio

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
Camera
  • Front-facing camera
    720p HD with ThinkShutter privacy cover.
Top-placed Built-in HD Webcam (720p) with Privacy Shutter
Audio
  • Dolby Atmos® speaker system
  • Dual 360° far-field microphones
  • 2 x 2W Dolby Atmos® Speaker System for Gaming
  • Dual array microphone

Misc

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
Sensors
  • Ambient light sensor
  • Fingerprint Reader
  • Infrared (IR) Camera (optional; required for use with Windows Hello & doesn’t include ThinkShutter)
  • Fingerprint Reader Combined with Power Button
Security
  • Fast Online Identity (FIDO) authentication capabilities
  • dTPM 2.0
  • Match-on-Chip Touch fingerprint reader
  • Windows Hello with facial recognition software (requires optional IR Camera)
  • ThinkShutter
  • Kensington® lock slot
  • Fingerprint Reader
    • Touch style fingerprint reader on the power button
  • BIOS Security
    • Power-on password
    • Supervisor password
  • Other Security
    • Camera privacy shutter
In the box-
  • Lenovo Legion Slim 7i 15”
  • AC adapter
  • Internal Battery
  • Quick Start Guide
Warranty-1-year depot service

Key Features

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)
At Glance
Released in
2019
16:9 4K UHD
15.6”
2160p 60Hz
Weight
3.76 lb
1.71 kg
Up to
Intel Core i9-9880H
8C/16T, 2.30 → 4.80 GHz
Geekbench 5
1,066
Single Core
Geekbench 5
6,100
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1200 MHz
Up to
64GB
2666 MHz DDR4
NVIDIA GeForce
GTX 1650
4GB GDDR5 with Max-Q
Released in
2020
16:9 4K UHD
15.6”
2160p 60Hz
Weight
4.1 lb
1.86 kg
Up to
Intel Core i9-10980HK
8C/16T, 2.40 → 5.30 GHz
Geekbench 5
1,223
Single Core
Geekbench 5
7,013
Multi-Core
With integrated
Intel® UHD Graphics 630
24 Execution Units, 350 → 1250 MHz
Upgradable up to
32GB
3200 MHz DDR4
NVIDIA GeForce
RTX 2060
6GB GDDR6 with Max-Q

Comparison Summary

Lenovo ThinkPad X1 Extreme Gen 2 vs. Lenovo Legion Slim 7i (15”, Intel, 2020)

Lenovo has released the ThinkPad X1 Extreme Gen 2, a 15.6-inch machine, in 2019. It is powered by up to an octa-core Intel Core i9-9880H with a boost clock speed up to 4.80 GHz. The laptop has a dedicated GPU option up to NVIDIA GeForce GTX 1650 with 4GB GDDR5 with Max-Q.

On the other hand, we have the 15.6-inch Legion Slim 7i (15”, Intel, 2020) was introduced by Lenovo about a year later in 2020. It comes with up to an octa-core Intel Core i9-10980HK with a boost clock speed up to 5.30 GHz. It has a dedicated GPU option up to NVIDIA GeForce RTX 2060 with 6GB GDDR6 with Max-Q.

Geekbench 5 Single Core

Lenovo ThinkPad X1 Extreme Gen 21
9th Gen Intel® Core™ i5-9300H94877.51%
2
9th Gen Intel® Core™ i5-9400H98480.46%
3
9th Gen Intel® Core™ i7-9750H1,04485.36%
4
9th Gen Intel® Core™ i7-9850H1,08088.31%
5
9th Gen Intel® Core™ i9-9880H1,06687.16%
Lenovo Legion Slim 7i (15”, Intel, 2020)1
10th Gen Intel® Core™ i5-10300H1,06186.75%
2
10th Gen Intel® Core™ i7-10750H1,13492.72%
3
10th Gen Intel® Core™ i7-10870H1,15994.77%
4
10th Gen Intel® Core™ i7-10875H1,19297.47%
5
10th Gen Intel® Core™ i9-10980HK1,223100.00%
01,223

Geekbench 5 Multi Core

Lenovo ThinkPad X1 Extreme Gen 21
9th Gen Intel® Core™ i5-9300H3,30847.17%
2
9th Gen Intel® Core™ i5-9400H3,69052.62%
3
9th Gen Intel® Core™ i7-9750H4,88069.59%
4
9th Gen Intel® Core™ i7-9850H4,91470.07%
5
9th Gen Intel® Core™ i9-9880H6,10086.98%
Lenovo Legion Slim 7i (15”, Intel, 2020)1
10th Gen Intel® Core™ i5-10300H3,74753.43%
2
10th Gen Intel® Core™ i7-10750H5,41277.17%
3
10th Gen Intel® Core™ i7-10870H6,59694.05%
4
10th Gen Intel® Core™ i7-10875H6,87498.02%
5
10th Gen Intel® Core™ i9-10980HK7,013100.00%
07,013

Both Lenovo ThinkPad X1 Extreme Gen 2 and Lenovo Legion Slim 7i (15”, Intel, 2020) have the same 15.6-inch display size. In addition, The Lenovo ThinkPad X1 Extreme Gen 2 weighs 3.76 lbs. about 9% lighter than the 4.1 lbs. Lenovo Legion Slim 7i (15”, Intel, 2020). Moreover, measured at 14.24” x 9.67” x 0.72”, the Lenovo ThinkPad X1 Extreme Gen 2 is slightly bulkier than the Lenovo Legion Slim 7i (15”, Intel, 2020) at 14.01” x 9.84” x 0.7”.

Lenovo ThinkPad X1 Extreme Gen 2Lenovo Legion Slim 7i (15”, Intel, 2020)

Moving over to upgradability, Lenovo claims that the Lenovo ThinkPad X1 Extreme Gen 2 supports up to 64GB 2666 MHz DDR4 memory. It also comes with two M.2 slots that users can easily upgrade and install an additional SSD to expand the storage on the device.

For Lenovo Legion Slim 7i (15”, Intel, 2020), it supports up to 32GB 3200 MHz DDR4 memory that you can upgrade with memory module slots on the motherboard. It also has two M.2 slots that users can easily swap or add an extra SSD to get extra space when needed.

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