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ROG Strix G18 G815 RTX 5080 (2025) vs Gaming A18 RTX 5070 (2025)

Asus ROG Strix G18 G815 RTX 5080 (2025) vs Gigabyte Gaming A18 RTX 5070 (2025)

What ROG Strix G18 G815 RTX 5080 (2025) does better (21) and where Gaming A18 RTX 5070 (2025) wins (4) — every spec side by side.

Asus · 2025ROG Strix G18 G815 RTX 5080 (2025)

7.2Score

21 advantages≈ $4,200

Higher score

Gigabyte · 2025Gaming A18 RTX 5070 (2025)

4.5Score

4 advantages≈ $1,600

7.7Graphics2.7

7.8Overall performance3.0

8.6Display4.0

3.2Memory & storage6.3

3.0Battery & portability7.0

8.2Features & cooling3.0

Dimensions

Size comparison

ROG Strix G18 G815 RTX 5080 (2025)Gaming A18 RTX 5070 (2025)

	ROG Strix G18 G815 RTX 5080 (2025)	Gaming A18 RTX 5070 (2025)	Difference
Depth	298 mm	293 mm	+5 mm
Width	399 mm	404 mm	−5 mm
Thickness	32 mm	25 mm	+7 mm
Weight	3.2 kg	2.8 kg	+0.4 kg

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

Why is ROG Strix G18 G815 RTX 5080 (2025) better than Gaming A18 RTX 5070 (2025)?

GPU compute (FP32)42 TFLOPS vs 13 TFLOPS3.2×
3DMark Steel Nomad Light27,302 vs 10,4952.6×
CPU cores24 vs 102.4×
Video memory16 GB vs 8 GB2×
Panel typeMini-LED vs IPS
Refresh rate240 Hz vs 165 Hz+45%
Battery capacity90 Wh vs 76 Wh+18%
GPU shader cores7,680 vs 4,608+67%
Brightness500 nits vs 300 nits+67%
Ethernet5 Gbit/s vs 1 Gbit/s5×
G-Sync / FreeSyncYes · Gaming A18 RTX 5070 (2025): No
HDRYes · Gaming A18 RTX 5070 (2025): No

Why is Gaming A18 RTX 5070 (2025) better than ROG Strix G18 G815 RTX 5080 (2025)?

RAM (up to)32 GB vs 96 GB3×
SSD (up to)1,000 GB vs 4,000 GB4×
Weight3.2 kg vs 2.8 kg+14%
Thickness32 mm vs 25 mm+28%

Specifications

Side by side

Only differences	Asus ROG Strix G18 G815 RTX 5080 (2025)≈ $4,2007.2	Gigabyte Gaming A18 RTX 5070 (2025)≈ $1,6004.5
Graphics
Graphics card	GeForce RTX 5080 Laptop	GeForce RTX 5070 Laptop
GPU maker	NVIDIA	NVIDIA
GPU power (TGP)	175 W	—
Video memory	16 GB	8 GB
Video memory type	GDDR7	GDDR7
GPU shader cores	7,680	4,608
GPU compute (FP32)	42 TFLOPS	13 TFLOPS
3DMark Steel Nomad Light	27,302	10,495
Processor
Processor	Core Ultra 9 290HX Plus	Ryzen 7 260
CPU maker	Intel	AMD
CPU cores	24	10
Max CPU clock	5.5 GHz	4.9 GHz
Processor options	Ryzen 9 8940HX, Core Ultra 9 275HX, Ryzen 9 9955HX	Core i7-13620H, Ryzen 7 260
Display
Screen size	18″	18″
Resolution	2560 × 1600	2560 × 1600
Resolution class	QHD (1440p/1600p)	QHD (1440p/1600p)
Refresh rate	240 Hz	165 Hz
Panel type	Mini-LED	IPS
Brightness	500 nits	300 nits
sRGB coverage	100%	100%
Response time	3 ms	3 ms
DCI-P3 coverage	100%	—
Pixel density	168 ppi	168 ppi
Aspect ratio	16:10	16:10
G-Sync / FreeSync	Yes	No
Advanced Optimus	No	No
MUX switch	Yes	Yes
HDR	Yes	No
Touchscreen	No	No
Memory & storage
RAM (up to)	32 GB	96 GB
RAM (base)	32 GB	16 GB
RAM type	DDR5	DDR5
RAM speed	5,600 MHz	5,200 MHz
Max. supported RAM	64 GB	64 GB
RAM slots	2	2
Upgradable RAM	Yes	Yes
SSD (up to)	1,000 GB	4,000 GB
SSD (base)	1,000 GB	1,000 GB
M.2 SSD slots	2	2
SSD interface	PCIe 4.0 x4	PCIe 4.0 x4
Battery & power
Battery capacity	90 Wh	76 Wh
Power adapter	380 W	150 W
USB-C charging (Power Delivery)	Yes	Yes
USB-C charging power	100 W	—
Design & cooling
Weight	3.2 kg	2.8 kg
Thickness	32 mm	25 mm
Width	399 mm	404 mm
Depth	298 mm	293 mm
Body material	Plastic	Plastic
Colours	Green	Black
Cooling fans	3	2
Vapor chamber cooling	Yes	No
Liquid metal (CPU)	Yes	No
Fan noise (max. load)	49.7 dB	—
Ports & wireless
Thunderbolt / USB4	Thunderbolt 5	USB4
Thunderbolt or USB4	Yes	Yes
USB-C ports	2	1
USB-A ports	3	3
HDMI	HDMI 2.1	HDMI 2.1
HDMI 2.1	Yes	Yes
(Mini) DisplayPort	No	No
Ethernet	5 Gbit/s	1 Gbit/s
Ethernet port	Yes	Yes
SD card reader	No	No
3.5 mm audio jack	Yes	Yes
Wi-Fi standard	Wi-Fi 7	Wi-Fi 6
Bluetooth	5.4	5.2
Keyboard & camera
Keyboard backlight	—	Single-colour RGB
Backlit keyboard	Yes	Yes
Numeric keypad	Yes	Yes
Key travel	1.7 mm	1.7 mm
Webcam	1,080p	1,080p
IR camera (face login)	Yes	Yes
Fingerprint reader	No	No
Audio
Speakers	2.0	2 speakers
Dolby Atmos	Yes	Yes