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ROG Zephyrus G16 GU605 RTX 5080 (2025) vs ROG Zephyrus G16 GU605 RTX 5090 (2025)

Asus ROG Zephyrus G16 GU605 RTX 5080 (2025) vs Asus ROG Zephyrus G16 GU605 RTX 5090 (2025)

What ROG Zephyrus G16 GU605 RTX 5080 (2025) does better (2) and where ROG Zephyrus G16 GU605 RTX 5090 (2025) wins (8) — every spec side by side.

Asus · 2025ROG Zephyrus G16 GU605 RTX 5080 (2025)

9.7Score

2 advantages

Higher score

Asus ROG Zephyrus G16 GU605 RTX 5090 (2025)

Asus · 2025ROG Zephyrus G16 GU605 RTX 5090 (2025)

9.5Score

8 advantages≈ $5,000

9.4Graphics9.5

9.5Overall performance9.4

9.5Display9.5

8.8Memory & storage5.0

8.8Battery & portability9.0

9.0Features & cooling9.0

Dimensions

Size comparison

ROG Zephyrus G16 GU605 RTX 5080 (2025)ROG Zephyrus G16 GU605 RTX 5090 (2025)

	ROG Zephyrus G16 GU605 RTX 5080 (2025)	ROG Zephyrus G16 GU605 RTX 5090 (2025)	Difference
Depth	246 mm	246 mm	=
Width	354 mm	354 mm	=
Thickness	17.4 mm	17 mm	+0.4 mm
Weight	2 kg	2 kg	=

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

Why is ROG Zephyrus G16 GU605 RTX 5080 (2025) better than ROG Zephyrus G16 GU605 RTX 5090 (2025)?

RAM (up to)64 GB vs 32 GB2×
SSD (up to)4,096 GB vs 2,000 GB2×

Why is ROG Zephyrus G16 GU605 RTX 5090 (2025) better than ROG Zephyrus G16 GU605 RTX 5080 (2025)?

GPU compute (FP32)31 TFLOPS vs 37.9 TFLOPS+22%
3DMark Steel Nomad Light21,144 vs 24,671+17%
Video memory16 GB vs 24 GB+50%
GPU shader cores7,680 vs 10,496+37%
RAM (base)16 GB vs 32 GB2×
SSD (base)1,024 GB vs 2,000 GB+95%
Thickness17.4 mm vs 17 mm+2%
Max CPU clock5.2 GHz vs 5.4 GHz+4%

Specifications

Side by side

Only differences	Asus ROG Zephyrus G16 GU605 RTX 5080 (2025)9.7	Asus ROG Zephyrus G16 GU605 RTX 5090 (2025)≈ $5,0009.5
Graphics
Graphics card	GeForce RTX 5080 Laptop	GeForce RTX 5090 Laptop
GPU maker	NVIDIA	NVIDIA
GPU power (TGP)	120 W	120 W
Video memory	16 GB	24 GB
Video memory type	GDDR7	GDDR7
GPU shader cores	7,680	10,496
GPU compute (FP32)	31 TFLOPS	37.9 TFLOPS
3DMark Steel Nomad Light	21,144	24,671
Processor
Processor	Core i7-14650HX	Core Ultra 9 285H
CPU maker	Intel	Intel
CPU cores	16	16
CPU threads	24	—
Max CPU clock	5.2 GHz	5.4 GHz
Processor options	Core i7-14650HX, Core Ultra 9 285H	Core i7-14650HX, Core Ultra 9 285H
Geekbench 6 multi-core	16,071	—
Geekbench 6 single-core	2,726	—
Cinebench 2024 multi-core	1,067	—
Display
Screen size	16″	16″
Resolution	2560 × 1600	2560 × 1600
Resolution class	QHD (1440p/1600p)	QHD (1440p/1600p)
Refresh rate	240 Hz	240 Hz
Panel type	OLED	OLED
Brightness	500 nits	500 nits
sRGB coverage	100%	100%
Response time	1 ms	1 ms
DCI-P3 coverage	100%	100%
Pixel density	189 ppi	189 ppi
Aspect ratio	16:10	16:10
G-Sync / FreeSync	Yes	Yes
Advanced Optimus	No	No
MUX switch	Yes	Yes
HDR	Yes	Yes
Touchscreen	No	No
Memory & storage
RAM (up to)	64 GB	32 GB
RAM (base)	16 GB	32 GB
RAM type	LPDDR5X	LPDDR5X
RAM speed	7,467 MHz	7,467 MHz
Upgradable RAM	No	No
SSD (up to)	4,096 GB	2,000 GB
SSD (base)	1,024 GB	2,000 GB
M.2 SSD slots	2	2
SSD interface	PCIe 4.0 x4	PCIe 4.0 x4
Battery & power
Battery capacity	90 Wh	90 Wh
Power adapter	240 W	240 W
USB-C charging (Power Delivery)	Yes	Yes
Design & cooling
Weight	1.95 kg	1.95 kg
Thickness	17.4 mm	17 mm
Width	354 mm	354 mm
Depth	246 mm	246 mm
Body material	Aluminium	Aluminium
Colours	White, Black	Grey
Cooling fans	3	3
Vapor chamber cooling	Yes	Yes
Liquid metal (CPU)	Yes	Yes
Fan noise (max. load)	68 dB	68 dB
Ports & wireless
Thunderbolt / USB4	Thunderbolt 4	Thunderbolt 4
Thunderbolt or USB4	Yes	Yes
USB-C ports	2	2
USB-A ports	2	2
HDMI	HDMI 2.1	HDMI 2.1
HDMI 2.1	Yes	Yes
(Mini) DisplayPort	No	No
Ethernet port	No	Yes
SD card reader	Yes	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	Yes
Numeric keypad	No	No
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	2.4	4 speakers
Dolby Atmos	Yes	Yes