ASUS VivoBook 15 X512J vs. Lenovo Legion Y540 15”: Which is better?

Here is a side by side comparison between ASUS VivoBook 15 X512J and Lenovo Legion Y540 15” specs including CPU, RAM, storage, battery, display, and more.

ASUS VivoBook 15 X512J Pros

Reasons that ASUS VivoBook 15 X512J is better than Lenovo Legion Y540 15”.

Newer manufacturing

2020 vs. 2019

About 27% lighter

ASUS VivoBook 15 X512J weighed 3.74 pounds, 27% lighter than the 5.1 pounds Lenovo Legion Y540 15”.

WeightASUS VivoBook 15 X512JLenovo Legion Y540 15”
Pound
3.74 lbs.
5.1 lbs.
Kilogram
1.70 kg
2.31 kg

Lenovo Legion Y540 15” Pros

Reasons that Lenovo Legion Y540 15” is better than ASUS VivoBook 15 X512J.

Significantly faster CPU performance

Intel Core i7-9750HF inside Lenovo Legion Y540 15” has a 29% better multi-core CPU performance score than the Intel Core i7-1065G7 inside ASUS VivoBook 15 X512J.

Geekbench 5 multi-core score
Lenovo Legion Y540 15” - Intel Core i7-9750H
4,880
Lenovo Legion Y540 15” - Intel Core i7-9750HF
4,836
ASUS VivoBook 15 X512J - Intel Core i7-1065G7
3,722
Lenovo Legion Y540 15” - Intel Core i5-9300H
3,308
ASUS VivoBook 15 X512J - Intel Core i5-1035G1
2,878
ASUS VivoBook 15 X512J - Intel Core i3-1005G1
2,027
Supports larger memory

Lenovo Legion Y540 15” supports a larger memory capacity than the ASUS VivoBook 15 X512J. It supports up to 32GB versus 16GB of system memory on the ASUS VivoBook 15 X512J.

Max system memory size
Lenovo Legion Y540 15”
32 GB
ASUS VivoBook 15 X512J
16 GB
Supports faster memory

Lenovo Legion Y540 15” supports a faster memory speed than the ASUS VivoBook 15 X512J. It supports up to 2666MHz versus 2400MHz of system memory on the ASUS VivoBook 15 X512J.

Memory type and speed
Lenovo Legion Y540 15” - DDR4
2,666 MHz
ASUS VivoBook 15 X512J - DDR4
2,400 MHz

Key Similars

Similar characteristics share between ASUS VivoBook 15 X512J and Lenovo Legion Y540 15”.

Upgradable memory

Both laptops come with available RAM slots that allow you to replace or upgrade when needed.

MemoryASUS VivoBook 15 X512JLenovo Legion Y540 15”
Slots
x1
x2
TypeDDR4DDR4

Prices

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

ASUS VivoBook 15 X512J Price
ASUS VivoBook 15 Business Laptop, 15.6” FHD Touchscreen Display, 12th Gen Intel 10-Core i7-1255U, 40GB RAM, 1TB NVMe SSD, Backlit KB, Webcam, Keypad, HDMI, WiFi 6, USB-C, SPS HDMI Cable, Win 11 Pro
ASUS VivoBook 15 Business Laptop, 15.6” FHD Touchscreen Display, 12th Gen Intel 10-Core i7-1255U, 40GB RAM, 1TB NVMe SSD, Backlit KB, Webcam, Keypad, HDMI, WiFi 6, USB-C, SPS HDMI Cable, Win 11 Pro
By ASUS
$688.86
$729.99 6% OFF
ASUS Vivobook Pro 15 Laptop, 15.6” FHD Display, AMD Ryzen 9 7940HS Mobile CPU, NVIDIA® GeForce® RTX™ 4060 Laptop GPU, 32GB RAM, 1TB SSD, Windows 11 Home, Quiet Blue, M6500XV-EB96
ASUS Vivobook Pro 15 Laptop, 15.6” FHD Display, AMD Ryzen 9 7940HS Mobile CPU, NVIDIA® GeForce® RTX™ 4060 Laptop GPU, 32GB RAM, 1TB SSD, Windows 11 Home, Quiet Blue, M6500XV-EB96
By ASUS
$1,033.15
$1,399.99 26% OFF
ASUS VivoBook 15X OLED Laptop, 15.6" OLED Display, AMD Ryzen 7 5800H CPU, AMD Radeon GPU, 16GB RAM, 512GB SSD, Windows 11 Home, Quiet Blue, M1503QA-ES74
ASUS VivoBook 15X OLED Laptop, 15.6" OLED Display, AMD Ryzen 7 5800H CPU, AMD Radeon GPU, 16GB RAM, 512GB SSD, Windows 11 Home, Quiet Blue, M1503QA-ES74
By ASUS
$648.00
$899.99 28% OFF
Lenovo Legion Y540 15” Price
Lenovo Legion Y540-15 Gaming Laptop, 15.6" IPS, 60Hz, 300 nits, Intel Core i7-9750H Processor, 16G DDR4 2666Mz, 512GB, 1TB 7200, NVIDIA GTX1660Ti, Win 10, 81SX00NNUS, Raven Black
Lenovo Legion Y540-15 Gaming Laptop, 15.6" IPS, 60Hz, 300 nits, Intel Core i7-9750H Processor, 16G DDR4 2666Mz, 512GB, 1TB 7200, NVIDIA GTX1660Ti, Win 10, 81SX00NNUS, Raven Black
By Lenovo
$1,243.60
Lenovo Legion Y540 15.6" Gaming Laptop 144Hz i7-9750H 16GB RAM 256GB SSD GTX 1660Ti 6GB - 9th Gen i7-9750H Hexa-Core - 144Hz Refresh Rate - NVIDIA GeForce GTX 1660Ti 6GB GDDR6 - Legion Ultimate S
Lenovo Legion Y540 15.6" Gaming Laptop 144Hz i7-9750H 16GB RAM 256GB SSD GTX 1660Ti 6GB - 9th Gen i7-9750H Hexa-Core - 144Hz Refresh Rate - NVIDIA GeForce GTX 1660Ti 6GB GDDR6 - Legion Ultimate S
By Lenovo
$1,079.00
Lenovo Legion Y540 15.6 Inch FHD 1080P Gaming Laptop (Intel 6-Core i7-9750H up to 4.5GHz, NVIDIA GeForce GTX 1650 4GB, 32GB DDR4 RAM, 1TB SSD (Boot) + 1TB HDD, Backlit Keyboard, Windows 10)
Lenovo Legion Y540 15.6 Inch FHD 1080P Gaming Laptop (Intel 6-Core i7-9750H up to 4.5GHz, NVIDIA GeForce GTX 1650 4GB, 32GB DDR4 RAM, 1TB SSD (Boot) + 1TB HDD, Backlit Keyboard, Windows 10)
By Lenovo
$1,276.00

Availability

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
Released20202019
Release Date-
  • Announced at CES 2019
  • Refreshed in April 2019 for 9th Gen Intel processors
  • Available in May 2019
Pricing-Starting at $929.99
Applicable Models
  • ASUS VivoBook 15
  • ASUS VivoBook 15 X512J
  • ASUS VivoBook 15 X512JA
  • ASUS VivoBook 15 X512JF
  • ASUS VivoBook 15 X512JP
-

Exterior

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
Dimensions14.06” x 9.07” x 0.77” (357.2 x 230.4 x 19.9 mm)14.17” x 10.51” x 0.95” - 1.02” / 360 x 267 x 24.2 - 25.9 mm
Weight3.74 lbs (1.7 kg)Starting at 5.1 lbs (2.3 kg)
Colors
Transparent Silver Slate Gray Peacock Blue Coral Crush
Raven Black
Keyboard and Trackpad
  • Keyboard
    • Full-size keyboard with 1.4mm key travel
    • Illuminated chiclet keyboard (optional)
  • Touchpad
    • Button-less touchpad.
    • Built-in fingerprint sensor in the touchpad (optional)
  • Keyboard
    • Backlit full-size with the white backlit keyboard.
    • The water-repellent keyboard delivers.
  • Touchpad
    • Precision Touchpad.
    • Supports multi-touch gesture.
    • Two physical left-right click buttons.

Display

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
Size15.6 Inches15.6 Inches
Info
  • 15.6" (16:9) LED-backlit FHD (1920x1080) 60Hz Anti-Glare Panel with 45% NTSC with wide 178° viewing angles
  • 15.6" (16:9) LED-backlit FHD (1280x800) 60Hz Anti-Glare Panel with 45% NTSC
  • 15.6" (16:9) LED-backlit HD (1280x800) 60Hz Anti-Glare Panel with 45% NTSC
  • 15.6” FHD 60Hz 250 nits
    1920 x 1080, IPS, anti-glare, 60Hz 72% color gamut 250 nits
  • 15.6” FHD 60Hz 300 nits
    1920 x 1080, IPS, anti-glare, 60Hz 72% color gamut 300 nits
  • 15.6" FHD 144Hz 300 nits
    1920 x 1080, IPS, anti-glare, 144Hz, 300 nits

Ports

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
  • 1 x Type-C USB 3.0 (USB 3.1 Gen 1)
  • 1 x Type-A USB 3.1 (Gen 1)
  • 2 x USB 2.0 port(s)
  • 1 x HDMI
  • 1 x Micro SD card
  • 1 x Audio jack
  • 3 x USB 3.1 Gen 1 Type-A
  • 1 x USB 3.1 Gen 1 Type-C
  • 1 x Mini DisplayPort ™ 1.4
  • 1 x HDMI™ 2.0
  • 1 x RJ45 Ethernet
  • 1 x Kensington MiniSaver Lock slot
  • 1 x 3.5mm microphone/headphone combo
  • 1 x NOVO hole

Internal Specs

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
Processor
  1. 10th Gen Intel® Core™ i3-1005G1
    2 cores, 4 threads, 1.20 → 3.40 GHz, 4MB SmartCache, 15W
  2. 10th Gen Intel® Core™ i5-1035G1
    4 cores, 8 threads, 1.00 → 3.60 GHz, 6MB SmartCache, 15W
  3. 10th Gen Intel® Core™ i7-1065G7
    4 cores, 8 threads, 1.30 → 3.90 GHz, 8MB SmartCache, 15W
  1. 9th Gen Intel® Core™ i5-9300H
    4 cores, 8 threads, 2.40 → 4.10 GHz, 8MB SmartCache, 45W
  2. 9th Gen Intel® Core™ i7-9750H
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W
  3. 9th Gen Intel® Core™ i7-9750HF
    6 cores, 12 threads, 2.60 → 4.50 GHz, 12MB SmartCache, 45W
Integrated Graphics
  1. 10th Gen Intel® Core™ i3-1005G1
    Intel® UHD Graphics
    32 Execution Units, 300 → 900 MHz
  2. 10th Gen Intel® Core™ i5-1035G1
    Intel® UHD Graphics
    32 Execution Units, 300 → 1050 MHz
  3. 10th Gen Intel® Core™ i7-1065G7
    Intel® Iris® Plus Graphics
    64 Execution Units, 300 → 1100 MHz
  1. 9th Gen Intel® Core™ i5-9300H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1050 MHz
  2. 9th Gen Intel® Core™ i7-9750H
    Intel® UHD Graphics 630
    24 Execution Units, 350 → 1150 MHz
  3. 9th Gen Intel® Core™ i7-9750HF
    Not Available
Memory
  • 4GB 8GB
    DDR4 2400MHz SDRAM Onboard Memory
  • 1 x SODIMM slot for expansion, upgradable to 8GB or 16GB SDRAM.
  • Memory Slots
    • 2 x DDR4 SODIMM
  • Memory Configurations
    • Minimum Memory: 8GB
    • Maximum Memory: 32GB
    • Memory Speed: 2666MHz
Discrete Graphics
ASUS VivoBook 15 X512JA
  • No discrete graphics
ASUS VivoBook 15 X512JF
  • NVIDIA® GeForce® MX130
    Video memory: 2GB GDDR5 VRAM
ASUS VivoBook 15 X512JP
  • NVIDIA® GeForce® MX330
    Video memory: 2GB GDDR5 VRAM
  
  • NVIDIA® GeForce® GTX 1650 (4GB GDDR5)
  • NVIDIA® GeForce® GTX 1660 Ti (6GB GDDR6)
Storage
  • 1TB
    5400 rpm SATA HDD.
  • 128GB 256GB 512GB
    PCIe® Gen3 x2 SSD M.2
  • 512GB Intel® PCIe® SSD + 32GB Intel® Optane™ memory
  • Storage Slots
    • 1 x M.2 2230/2280 PCIe SSD slot
    • 1 x 2.5 inches hard drive slot
  • Storage Configurations
    • 128 GB/256 GB/512 GB/1 TB PCIe NVMe SSD
    • 1 TB/2 TB HDD

Connectivity

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
Wi-Fi
  • Integrated Wi-Fi 5 (802.11 ac)
  • Integrated Wi-Fi 5 (802.11 ac (2x2))
Wireless 802.11 AC (2 x 2)
Up to 867 Mbps, WiFi 802.11 b/g/a/n/ac.
BluetoothBluetooth 5.0Bluetooth 5.0
Ethernet-Gigabit LAN
Speed: 10/100/1000 Mbps.

Battery

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
Size37Wh (2-cell lithium-polymer battery)57 Wh (3 Cell Li-Polymer)
Battery Life-Up to 5 hours
Power Supply45W power adapter
19V DC, 7=2.37A
230W AC power adapter
Lenovo proprietary charging port.

Software

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
OS
  • Windows 10 Home
  • Windows 10 Pro
  • Windows 10 Home 64-bit
  • Windows 10 Pro 64-bit
Built-in Apps
MyASUS McAfee's free one-year offer
MyASUS Features
  • System Diagnosis
  • Battery Health Charging
  • Splendid
  • Tru2Life
  • Function Key Lock
  • WiFi roaming optimization
  • AppDeals
  • Link to MyASUS
  • Lenovo Vantage
  • Lenovo PC Manager
  • Lenovo Nerve Center
  • McAfee LiveSafe™
  • Lenovo Antivirus
  • Microsoft Office Trial
  • Microsoft LinkedIn
  • PowerDVD/Power2Go

Camera & Audio

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
Camera
  • Front-facing camera
    720p (1280 x 720 HD) camera.
Front-facing camera
Bottom-mount front camera with fixed focus lens, 0.92 Megapixels (1280 x 720 HD) at 30 fps.
Audio
  • 3.5mm headphone jack
  • ASUS SonicMaster Technology
  • Harman® speakers with Dolby Atmos® for Gaming.
  • Dual-array microphones

Misc

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
Sensors
  • Fingerprint sensor (optional)
-
Security
  • Fingerprint reader (optional)
  • Chassis Kensington® Wedge security lock
In the box-
  • Legion Y540 15"
  • 230W AC Adapter
  • 3 Cell Li-Polymer, 57Wh
  • Quick start guide
Warranty-1 Year Depot or Carry-in

Key Features

ASUS VivoBook 15 X512JLenovo Legion Y540 15”
At Glance
Released in
2020
16:9 FHD
15.6”
1080p 60Hz
Weight
3.74 lb
1.70 kg
Up to
Intel Core i7-1065G7
4C/8T, 1.30 → 3.90 GHz
Geekbench 5
1,088
Single Core
Geekbench 5
3,722
Multi-Core
With integrated
Intel® Iris® Plus Graphics
64 Execution Units, 300 → 1100 MHz
Upgradable up to
16GB
2400 MHz DDR4
Nvidia GeForce
MX330
2GB GDDR5
Released in
2019
16:9 FHD
15.6”
1080p 144Hz
Weight
5.1 lb
2.31 kg
Up to
Intel Core i7-9750HF
6C/12T, 2.60 → 4.50 GHz
Geekbench 5
1,013
Single Core
Geekbench 5
4,836
Multi-Core
With integrated
Not Available
Upgradable up to
32GB
2666 MHz DDR4
NVIDIA GeForce
GTX 1660Ti
6GB GDDR6

Comparison Summary

ASUS VivoBook 15 X512J vs. Lenovo Legion Y540 15”

ASUS has released the VivoBook 15 X512J, a 15.6-inch machine, in 2020. It is powered by up to a quad-core Intel Core i7-1065G7 with a boost clock speed up to 3.90 GHz. The laptop has a dedicated GPU option up to Nvidia GeForce MX330 with 2GB GDDR5.

On the other hand, we have the 15.6-inch Legion Y540 15” was introduced by Lenovo about a year earlier in 2019. It comes with up to a hexa-core Intel Core i7-9750HF with a boost clock speed up to 4.50 GHz. It has a dedicated GPU option up to NVIDIA GeForce GTX 1660Ti with 6GB GDDR6.

Geekbench 5 Single Core

ASUS VivoBook 15 X512J1
10th Gen Intel® Core™ i3-1005G199391.27%
2
10th Gen Intel® Core™ i5-1035G197989.98%
3
10th Gen Intel® Core™ i7-1065G71,088100.00%
Lenovo Legion Y540 15”1
9th Gen Intel® Core™ i5-9300H94887.13%
2
9th Gen Intel® Core™ i7-9750H1,04495.96%
3
9th Gen Intel® Core™ i7-9750HF1,01393.11%
01,088

Geekbench 5 Multi Core

ASUS VivoBook 15 X512J1
10th Gen Intel® Core™ i3-1005G12,02741.54%
2
10th Gen Intel® Core™ i5-1035G12,87858.98%
3
10th Gen Intel® Core™ i7-1065G73,72276.27%
Lenovo Legion Y540 15”1
9th Gen Intel® Core™ i5-9300H3,30867.79%
2
9th Gen Intel® Core™ i7-9750H4,880100.00%
3
9th Gen Intel® Core™ i7-9750HF4,83699.10%
04,880

Both ASUS VivoBook 15 X512J and Lenovo Legion Y540 15” have the same 15.6-inch display size. In addition, The ASUS VivoBook 15 X512J weighs 3.74 lbs. about 36% lighter than the 5.1 lbs. Lenovo Legion Y540 15”. Moreover, measured at 14.06” x 9.07” x 0.77”, the ASUS VivoBook 15 X512J is much more portable than the Lenovo Legion Y540 15” at 14.17” x 10.51” x 1.02”.

ASUS VivoBook 15 X512JLenovo Legion Y540 15”

Moving over to upgradability, ASUS claims that the ASUS VivoBook 15 X512J supports up to 16GB 2400 MHz DDR4 memory that you can upgrade with memory module slots on the motherboard. It also comes with a single removable M.2 SSD slot that users can replace and upgrade in the future.

For Lenovo Legion Y540 15”, it supports up to 32GB 2666 MHz DDR4 memory that you can upgrade with two memory module slots on the motherboard. It also has a single removable M.2 SSD slot that users can replace or upgrade when needed. Besides that, it also comes with a SATA slot where you can install an additional 2.5-inch SATA-based SSD, SSHD, or a hard disk drive.

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