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ROG Strix Scar 18 G835 RTX 5080 (2025) vs Vector 18 HX AI A2XW RTX 5090 (2025)

Asus ROG Strix Scar 18 G835 RTX 5080 (2025) vs MSI Vector 18 HX AI A2XW RTX 5090 (2025)

What ROG Strix Scar 18 G835 RTX 5080 (2025) does better (3) and where Vector 18 HX AI A2XW RTX 5090 (2025) wins (6) — every spec side by side.

Asus · 2025ROG Strix Scar 18 G835 RTX 5080 (2025)

7.6Score

3 advantages≈ $5,500

MSI Vector 18 HX AI A2XW RTX 5090 (2025)

MSI · 2025Vector 18 HX AI A2XW RTX 5090 (2025)

7.8Score

6 advantages≈ $4,700

Higher score

8.5Display6.4

4.2Memory & storage8.9

2.7Battery & portability3.5

7.7Features & cooling9.2

Dimensions

Size comparison

ROG Strix Scar 18 G835 RTX 5080 (2025)Vector 18 HX AI A2XW RTX 5090 (2025)

	ROG Strix Scar 18 G835 RTX 5080 (2025)	Vector 18 HX AI A2XW RTX 5090 (2025)	Difference
Depth	298 mm	308 mm	−10 mm
Width	399 mm	404 mm	−5 mm
Thickness	32 mm	32 mm	=
Weight	3.3 kg	3.6 kg	−0.3 kg

Drawn to the same scale from the official dimensions (front and side).

Why is ROG Strix Scar 18 G835 RTX 5080 (2025) better than Vector 18 HX AI A2XW RTX 5090 (2025)?

Weight3.3 kg vs 3.6 kg+9%
RAM (base)64 GB vs 32 GB2×
SSD (base)2,000 GB vs 1,000 GB2×

Why is Vector 18 HX AI A2XW RTX 5090 (2025) better than ROG Strix Scar 18 G835 RTX 5080 (2025)?

RAM (up to)64 GB vs 128 GB2×
SSD (up to)2,000 GB vs 8,000 GB4×
Battery capacity90 Wh vs 99 Wh+10%
Video memory16 GB vs 24 GB+50%
GPU shader cores7,680 vs 10,496+37%
SD card readerNo · ROG Strix Scar 18 G835 RTX 5080 (2025): Yes

Specifications

Side by side

Only differences	Asus ROG Strix Scar 18 G835 RTX 5080 (2025)≈ $5,5007.6	MSI Vector 18 HX AI A2XW RTX 5090 (2025)≈ $4,7007.8
Graphics
Graphics card	GeForce RTX 5080 Laptop	GeForce RTX 5090 Laptop
GPU maker	NVIDIA	NVIDIA
GPU power (TGP)	175 W	—
Video memory	16 GB	24 GB
Video memory type	GDDR7	GDDR7
GPU shader cores	7,680	10,496
GPU compute (FP32)	42 TFLOPS	—
3DMark Steel Nomad Light	27,180	—
Processor
Processor	Core Ultra 9 275HX	Core Ultra 9 275HX
CPU maker	Intel	Intel
CPU cores	24	24
CPU threads	24	—
Max CPU clock	5.4 GHz	5.4 GHz
Processor options	Core Ultra 9 275HX	—
Geekbench 6 multi-core	22,256	—
Geekbench 6 single-core	3,276	—
Cinebench 2024 multi-core	2,116	—
Display
Screen size	18″	18″
Resolution	2560 × 1600	2560 × 1600
Resolution class	QHD (1440p/1600p)	QHD (1440p/1600p)
Refresh rate	240 Hz	240 Hz
Panel type	IPS	IPS
Brightness	1,200 nits	—
sRGB coverage	100%	—
Response time	3 ms	—
DCI-P3 coverage	100%	—
Pixel density	168 ppi	—
Aspect ratio	16:10	16:10
G-Sync / FreeSync	Yes	—
Advanced Optimus	No	—
MUX switch	Yes	—
HDR	Yes	—
Touchscreen	No	—
Memory & storage
RAM (up to)	64 GB	128 GB
RAM (base)	64 GB	32 GB
RAM type	DDR5	DDR5
RAM speed	5,600 MHz	—
Max. supported RAM	64 GB	—
RAM slots	2	—
Upgradable RAM	Yes	—
SSD (up to)	2,000 GB	8,000 GB
SSD (base)	2,000 GB	1,000 GB
M.2 SSD slots	2	—
SSD interface	PCIe 4.0 x4	—
Battery & power
Battery capacity	90 Wh	99 Wh
Power adapter	380 W	400 W
USB-C charging (Power Delivery)	Yes	Yes
USB-C charging power	100 W	—
Design & cooling
Weight	3.3 kg	3.6 kg
Thickness	32 mm	32 mm
Width	399 mm	404 mm
Depth	298 mm	308 mm
Body material	Aluminium, Plastic	—
Colours	Black	Black
Cooling fans	3	—
Vapor chamber cooling	Yes	—
Liquid metal (CPU)	Yes	—
Fan noise (max. load)	53.7 dB	—
Ports & wireless
Thunderbolt / USB4	Thunderbolt 5	Thunderbolt 5
Thunderbolt or USB4	Yes	Yes
USB-C ports	2	—
USB-A ports	3	—
HDMI	HDMI 2.1	HDMI 2.1
HDMI 2.1	Yes	Yes
(Mini) DisplayPort	No	—
Ethernet	5 Gbit/s	5 Gbit/s
Ethernet port	Yes	Yes
SD card reader	No	Yes
3.5 mm audio jack	Yes	Yes
Wi-Fi standard	Wi-Fi 7	Wi-Fi 7
Bluetooth	5.4	5.4
Keyboard & camera
Backlit keyboard	Yes	—
Numeric keypad	Yes	—
Webcam	1,080p	1,080p
IR camera (face login)	Yes	—
Fingerprint reader	No	—
Audio
Speakers	4 speakers	2 speakers
Dolby Atmos	Yes	—