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Updated January 10, 2024·
The ASUS ROG Zephyrus G15 offers excellent performance for intensive engineering tasks, 3D rendering, machine learning, and gaming due to its powerful processor and graphics card. However, it's heavier and bulkier than the Lenovo Slim Pro 7 14, making it less portable. The Lenovo Slim Pro 7 14 is more lightweight and compact, with a higher-resolution touchscreen and longer battery life, making it better for general use and portability. Its performance is also commendable but falls short of the ASUS, particularly for demanding tasks. Both laptops have similar RAM and storage capacity, but your choice should hinge on whether performance or portability is your priority. Give Feedback
this description is based on the product variant with some specs and product variant with some specs. At the time of writing, the variant with some specs cost some dollars and the variant with some specs cost some dollars.
Advantages of the ASUS ROG Zephyrus G15
- Very good for engineering and design
- Good for gaming and AI
- Very good overall build quality
- Best in class speakers
Advantages of the Lenovo Slim Pro 7 14
- Very good for general use
- Very good portability
- Very good battery life
- Good keyboard
Key differences
Gaming and AI
7.5
6.7
7.4/10
OVERALL GPU SCORE
4.8/10
2560 x 1440
RESOLUTION
2560 x 1600
165Hz
REFRESH RATE
90Hz
Yes
SUPPORTS DLSS
Yes
No
MUX SWITCH / ADVANCED OPTIMUS
No
6.5/10
FAN NOISE SCORE
8.0/10
The ASUS ROG Zephyrus G15 is good for gaming and AI, while the Lenovo Slim Pro 7 14 is only fair.
The ASUS ROG Zephyrus G15 boasts a higher-tier Nvidia RTX 3070 GPU and a faster 165Hz screen refresh rate, making it suitable for more demanding gaming and 3D tasks than the Lenovo Slim Pro 7 14, which has an Nvidia RTX 3050 and a 90Hz refresh rate. However, the Lenovo, with its more modern CPU and higher screen resolution, still delivers a quality gaming and 3D experience, though it might lag slightly behind in graphically intensive scenarios.
Screen Quality
7.9
7.4
15.6in
SIZE
14.5in
2560 x 1440
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
165Hz
REFRESH RATE
90Hz
309.0 nits
BRIGHTNESS
334.0 nits
The ASUS ROG Zephyrus G15 has a better screen than the Lenovo Slim Pro 7 14 for general use, gaming and AI, and engineering and design, while the Lenovo Slim Pro 7 14 has a better screen for content creation.
The ASUS ROG Zephyrus G15 offers a high-resolution display with vibrant colors and brightness that enhance general use and engineering tasks, but its lower refresh rate is less ideal for the fast-paced visuals required in gaming and 3D applications. In contrast, the Lenovo Slim Pro 7 14 provides a similarly high-resolution and bright display suitable for everyday tasks and precision work in engineering and design, yet it also falls short for gaming and 3D use due to a lower refresh rate. Both laptops, while offering good color reproduction for professional work, prioritize resolution and panel technology over the high refresh rates critical for smooth gaming and 3D rendering experiences.
Battery
9.5 Hours
12.0 Hours
The ASUS ROG Zephyrus G15 has 9.5 hours of battery life. The Lenovo Slim Pro 7 14 has 12 hours of battery life.
Battery life estimate is based on a mix of common use patterns. More portable and higher performing laptops tend to have less battery life.
Portability
Good
Very Good
15.6in
SIZE
14.5in
4.1 lbs
WEIGHT
3.5 lbs
0.7in
THICKNESS
0.6in
The Lenovo Slim Pro 7 14 has very good portability, while the ASUS ROG Zephyrus G15 has good portability.
The most portable laptops are small, thin, and light.
Build Quality
8.5
7.8
The ASUS ROG Zephyrus G15 has very good build quality, while the Lenovo Slim Pro 7 14 has good build quality.
PerfectRec’s Build Quality Score incorporates case materials, display and keyboard flex, hinge quality, and overall reliability.
Cost
$1,637
$1,200
$500
$1,000
$1,500
$2,000
$2,500
The ASUS ROG Zephyrus G15 has a price of $1,637 and the Lenovo Slim Pro 7 14 costs $1,200.
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Key similarities
General Use
7.9
8.0
2560 x 1440
RESOLUTION
2560 x 1600
IPS
DISPLAY TECHNOLOGY
IPS
309.0 nits
DISPLAY BRIGHTNESS
334.0 nits
9.5 Hours
BATTERY LIFE
12.0 Hours
6.5/10
KEYBOARD QUALITY SCORE
7.0/10
7.5/10
PORTABILITY SCORE
8.4/10
Although they have very similar scores, PerfectRec considers Lenovo Slim Pro 7 14 to be very good for general use, while the ASUS ROG Zephyrus G15 is good.
The ASUS ROG Zephyrus G15 stands out for general use with its higher-end CPU and GPU, providing robust performance for a range of applications, alongside a quality screen, but it is heavier and has a shorter battery life compared to the Lenovo Slim Pro 7 14, which offers a good balance of performance and better portability with its lighter weight and longer battery life, including a touchscreen and a higher-resolution display, making it a versatile choice for everyday tasks.
Engineering and Design
8.0
7.7
7.5/10
OVERALL CPU SCORE
7.9/10
7.4/10
OVERALL GPU SCORE
4.8/10
16.0 GB
RAM
16.0 GB
Although they have very similar scores, PerfectRec considers ASUS ROG Zephyrus G15 to be very good for engineering and design, while the Lenovo Slim Pro 7 14 is good.
PerfectRec’s Engineering and Design Score takes into account the many different features of the laptop that make it more or less suitable for graphic design and 3D rendering work.
Content Creation
8.0
8.0
7.5/10
OVERALL CPU SCORE
7.9/10
2560 x 1440
RESOLUTION
2560 x 1600
16.0 GB
RAM
16.0 GB
IPS
DISPLAY TECHNOLOGY
IPS
The ASUS ROG Zephyrus G15 and Lenovo Slim Pro 7 14 are both very good for content creation.
PerfectRec’s Content Creation Score takes into account the many different features of the laptop that make it more or less suitable for photo editing, video editing and other content creation tasks.
Software Development
7.4
7.8
7.5/10
OVERALL CPU SCORE
7.9/10
16.0 GB
RAM
16.0 GB
2560 x 1440
RESOLUTION
2560 x 1600
6.5/10
KEYBOARD QUALITY SCORE
7.0/10
The Lenovo Slim Pro 7 14 and ASUS ROG Zephyrus G15 are both good for software development.
PerfectRec’s Software Development Score takes into account the many different features of the laptop that make it more or less suitable for software developers.
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How the ASUS ROG Zephyrus G15 and the Lenovo Slim Pro 7 14 compare to other laptops
Spec Comparison
 |  | |
| ASUS ROG Zephyrus G15 | Lenovo Slim Pro 7 14 |
GENERAL | |||
|---|---|---|---|
| Price | |||
$1,637 | $1,200 | ||
Release Date | |||
Release Date | May 1, 2021 | February 1, 2023 | |
Overall Dimensions | |||
Overall Dimensions | 14'' x 9.6'' x 0.78'' | 12.9'' x 8.9'' x 0.61'' | |
Weight | |||
Weight | 4.19 lbs | 3.5 lbs | |
Width | |||
Width | 13.98" | 12.91" | |
Depth | |||
Depth | 9.57" | 8.92" | |
INTERNAL | |||
|---|---|---|---|
Processor | |||
Processor | AMD Ryzen 9 5900HS | AMD Ryzen 7 7735HS | |
RAM | |||
RAM | 16 GB | 16 GB | |
DDR Memory Version | |||
DDR Memory Version | 4 | 5 | |
RAM Slots | |||
RAM Slots | 1 | 0 | |
Storage | |||
Storage | 1024 GB | 1024 GB | |
BATTERY | |||
|---|---|---|---|
Battery Life | |||
Battery Life | 9.5 Hours | 12 Hours | |
Battery Capacity | |||
Battery Capacity | 90 Wh | 73 Wh | |
SCREEN | |||
|---|---|---|---|
Diagonal Size | |||
Diagonal Size | 15.6" | 14.5" | |
Display Technology | |||
Display Technology | IPS | IPS | |
Resolution | |||
Resolution | 2560 x 1440 | 2560 x 1600 | |
Refresh Rate | |||
Refresh Rate | 165Hz | 90Hz | |
Display Brightness | |||
Display Brightness | 309 nits | 334 nits | |
RELIABILITY, APPEARANCE & ACOUSTICS | |||
|---|---|---|---|
Build Quality Score | |||
Build Quality Score | 8.5/10 | 7.8/10 | |
Portability Score | |||
Portability Score | 7.5/10 | 8.4/10 | |
Gaming Laptop Appearance | |||
Gaming Laptop Appearance | Yes | No | |
Premium Business Laptop | |||
Premium Business Laptop | No | No | |
Fan Noise Score | |||
Fan Noise Score | 6.5/10 | 8/10 | |
HARDWARE FEATURES | |||
|---|---|---|---|
Keyboard Quality Score | |||
Keyboard Quality Score | 6.5/10 | 7/10 | |
Speaker Quality Score | |||
Speaker Quality Score | 9.5/10 | 8/10 | |
Webcam | |||
Webcam | No Webcam | 1080p | |
Fingerprint Reader | |||
Fingerprint Reader | Yes | No | |
Backlit Keyboard | |||
Backlit Keyboard | Yes | Yes | |
Number Pad | |||
Number Pad | No | No | |
CONNECTIVITY | |||
|---|---|---|---|
USB Type-A | |||
USB Type-A | 2 | 1 | |
USB-C ports | |||
USB-C ports | 2 | 2 | |
USB-C Charging | |||
USB-C Charging | Yes | Yes | |
Display Outputs | |||
Display Outputs | 3 | 3 | |
Thunderbolt Ports | |||
Thunderbolt Ports | 0 | 0 | |
Shopping
ASUS ROG Zephyrus G15
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Dig into reviews and images
NotebookCheck
Florian Glaser | February 2021
"As long as you're aware of the fact that the GeForce RTX 3080 laptop version can only unfold its potential to a limited extent due to Asus's low TDP setting and that it can be slower than a fast RTX 3070 laptop, the ROG Zephyrus G15 GA503Q cuts a fine figure. One of the biggest highlights turns out to be the WQHD panel, since it attracts customers with 165 Hz, relatively fast response times, FreeSync, and good color-space coverage. Other selling points are the surprisingly rich sound, the long battery life, and the sleek design. In terms of looks, the white edition stands out nicely from the competition."
Lenovo Slim Pro 7 14
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Dig into reviews and images
PCWorld
Matthew S. Smith | May 2023
"The Lenovo Slim Pro 7 is an attractive, portable laptop that’s ideal if you need a combination of CPU and GPU performance. It also nails the fundamentals with solid connectivity, an enjoyable keyboard, a large touchpad, and top-notch webcam. Display quality is a weakness, but it’s an acceptable compromise for the laptop’s extremely competitive $1,199 MSRP. The Slim Pro 7 is a versatile, affordable laptop and hard to beat for the price."
Get a great deal on the ASUS ROG Zephyrus G15 or the Lenovo Slim Pro 7 14
About ASUS
ASUS, a Taiwanese electronics brand, is one of the largest personal computer vendor by market share. The majority of their laptops are targeted towards personal use or gaming. Their most popular product lines include the budget-friendly VivoBook, more premium ZenBook, and their TUF and ROG gaming laptops, the latter of which has a reputation for excellent gaming performance.
About Lenovo
Lenovo is a Chinese technology company, and one of the largest personal computer vendor. They are well known for a variety of technology products, including laptops. Their consumer series include their entry level IdeaPad and LOQ series and mid-to-high-end Yoga and Legion series. On the business-oriented side, their series include their entry-level ThinkBook series and mid-to-high-end ThinkPad series. Lenovo laptops offer strong performance for reasonable prices, and are often on sale.
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