Comparison guide
MacBook Air 13 (M3) vs ASUS ROG Strix SCAR 18 (2024): which should you choose?
MacBook Air 13 (M3) and ASUS ROG Strix SCAR 18 (2024) compared under one framework. One recorded specification difference is Memory: 32 GB on the ASUS ROG Strix SCAR 18 (2024) against 16 GB on the MacBook Air 13 (M3). Specifications and their sources are recorded alongside.
Published: 2026-07-04 · Updated: 2026-09-21
Laptops verdict
Undocumented scoring basis · overall score and upgrade ranking withheld. The table records stored representative configurations; confirm the configuration and price on the merchant page before buying.
- MacBook Air 13 (M3): Silent and fanless with all-day battery — the 13-inch Air, the standard for everyday work.
- ASUS ROG Strix SCAR 18 (2024): Desktop-class 18-inch gaming — an RTX 4090 and mini-LED screen chasing top frame rates.
- Undocumented quality and performance advantages are not ranked
- Specification field coverage (not accuracy): 100%
Choosing between MacBook Air 13 (M3) and ASUS ROG Strix SCAR 18 (2024) starts with the real use case and the problem to solve, not with which product is newer. No independent laboratory test is implied.
Core specifications on one baseline
| Item | MacBook Air 13 (M3) | ASUS ROG Strix SCAR 18 (2024) | Delta |
|---|---|---|---|
| Memory | 16 GB AskRS catalog index · check date not recorded | 32 GB AskRS catalog index · check date not recorded | +100% |
| Weight | 1.24 kg AskRS catalog index · check date not recorded | 3.1 kg AskRS catalog index · check date not recorded | +150% |
| Battery capacity | 52.6 Wh AskRS catalog index · check date not recorded | 90 Wh AskRS catalog index · check date not recorded | +71.1% |
| Display brightness | 500 nits AskRS catalog index · check date not recorded | 1100 nits AskRS catalog index · check date not recorded | +120% |
| Refresh rate | 60 Hz AskRS catalog index · check date not recorded | 240 Hz AskRS catalog index · check date not recorded | +240% |
| Thunderbolt/USB-C ports | 2 AskRS catalog index · check date not recorded | 1 AskRS catalog index · check date not recorded | -50% |
| Chipset | Apple M3 | Intel Core i9-14900HX | Different |
| Color | Midnight | Off Black | Different |
| Connectivity | 2x Thunderbolt 3, MagSafe 3, 3.5mm, Wi-Fi 6E, Bluetooth 5.3 | 1x Thunderbolt 4, 2x USB-A, HDMI 2.1, 2.5GbE, Wi-Fi 7, Bluetooth 5.4 | Different |
| CPU model | Apple M3 8-core CPU | Intel Core i9-14900HX (24C/32T) | Different |
| GPU model | Apple M3 10-core GPU | NVIDIA GeForce RTX 4090 Laptop | Different |
| Operating system | macOS Sonoma | Windows 11 | Different |
| Panel | 13.6" Liquid Retina IPS 2560x1664 | 18" mini-LED 2560x1600 240Hz | Different |
| Region | GLOBAL | GLOBAL | Same |
| Screen size | 13.6 in | 18 in | +32.4% |
| Storage | 512 GB | 2048 GB | +240% |
12 of the 32 values in this table carry a source. The rest have no source on record, which is not the same as being wrong.
How to read Same, Different, No data, Unverified and Not applicable is documented on the configuration-level specification screen. If a condition you require is unknown, withhold the decision and match the exact model, sales region and configuration against the sources on that screen.
Differences recorded in the table
7 fields can be ranked on the same basis, listed by weight.
- Memory · ASUS ROG Strix SCAR 18 (2024) 32 GB, MacBook Air 13 (M3) 16 GB (+100%)
- Weight · MacBook Air 13 (M3) 1.24 kg, ASUS ROG Strix SCAR 18 (2024) 3.1 kg (+150%)
- Battery capacity · ASUS ROG Strix SCAR 18 (2024) 90 Wh, MacBook Air 13 (M3) 52.6 Wh (+71.1%)
- Display brightness · ASUS ROG Strix SCAR 18 (2024) 1100 nits, MacBook Air 13 (M3) 500 nits (+120%)
- Refresh rate · ASUS ROG Strix SCAR 18 (2024) 240 Hz, MacBook Air 13 (M3) 60 Hz (+240%)
- Storage · ASUS ROG Strix SCAR 18 (2024) 2048 GB, MacBook Air 13 (M3) 512 GB (+240%)
- Thunderbolt/USB-C ports · MacBook Air 13 (M3) 2, ASUS ROG Strix SCAR 18 (2024) 1 (-50%)
The decision axes and the checking order for the whole category are on the Laptops comparison page.
The two products this comparison names
Match the listing against these models first. The recorded-field count is catalogue completeness, not product quality.
- MacBook Air 13 (M3) · Apple · model number A3113 · released 2024 · recorded fields 16/16
- ASUS ROG Strix SCAR 18 (2024) · ASUS · model number G834JYR · released 2024 · recorded fields 16/16
Fields the two products share
1 recorded field holds the same value for both stored representative configurations, so nothing in this list separates them.
- Region · GLOBAL
Who should choose MacBook Air 13 (M3)
MacBook Air 13 (M3) leads the table on Weight, Thunderbolt/USB-C ports. Silent and fanless with all-day battery — the 13-inch Air, the standard for everyday work.
Who should choose ASUS ROG Strix SCAR 18 (2024)
ASUS ROG Strix SCAR 18 (2024) leads the table on Memory, Battery capacity, Display brightness, Refresh rate, Storage. Desktop-class 18-inch gaming — an RTX 4090 and mini-LED screen chasing top frame rates.
How to read price and purchase availability
No merchant link is shown: neither product has an approved listing whose name and configuration match the catalogue, and AsKrs does not guess a destination.
- MacBook Air 13 (M3) · No verified purchase link currently available
- ASUS ROG Strix SCAR 18 (2024) · No verified purchase link currently available
This comparison is built from published specifications and stored representative configurations. The use context, configuration checks, switching costs, and the scope and limits for Laptops are documented on the Laptops comparison page.