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  3. X16 RTX 4080 (2023) vs ROG Zephyrus G16 GU605 RTX 4090 (2024)

Alienware X16 RTX 4080 (2023) vs Asus ROG Zephyrus G16 GU605 RTX 4090 (2024)

What X16 RTX 4080 (2023) does better (11) and where ROG Zephyrus G16 GU605 RTX 4090 (2024) wins (14) — every spec side by side.

Alienware X16 RTX 4080 (2023)
Alienware · 2023X16 RTX 4080 (2023)
8.7Score
11 advantages
vs
Asus ROG Zephyrus G16 GU605 RTX 4090 (2024)
Asus · 2024ROG Zephyrus G16 GU605 RTX 4090 (2024)
9.3Score
14 advantages
Higher score
9.6Graphics9.3
8.2Overall performance8.6
5.6Display7.2
6.6Memory & storage6.9
4.1Battery & portability9.3
9.1Features & cooling9.4
Dimensions

Size comparison

X16 RTX 4080 (2023)ROG Zephyrus G16 GU605 RTX 4090 (2024)
364.7 × 289.818.6354 × 24617.2
X16 RTX 4080 (2023)ROG Zephyrus G16 GU605 RTX 4090 (2024)Difference
Depth289.8 mm246 mm+43.8 mm
Width364.7 mm354 mm+10.7 mm
Thickness18.6 mm17.2 mm+1.4 mm
Weight2.7 kg1.8 kg+0.9 kg

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

Why is X16 RTX 4080 (2023) better than ROG Zephyrus G16 GU605 RTX 4090 (2024)?

  1. Refresh rate480 Hz vs 240 Hz2×
  2. GPU power (TGP)175 W vs 115 W+52%
  3. GPU compute (FP32)37.6 TFLOPS vs 31.2 TFLOPS+21%
  4. 3DMark Steel Nomad Light20,135 vs 19,706+2%
  5. Advanced OptimusYes · ROG Zephyrus G16 GU605 RTX 4090 (2024): No
  6. HDRYes · ROG Zephyrus G16 GU605 RTX 4090 (2024): No
  7. USB-C ports3 vs 2+50%
  8. Cooling fans4 vs 3+33%
  9. Key travel1.8 mm vs 1.7 mm+6%
  10. Geekbench 6 single-core2,531 vs 2,455+3%
  11. Max CPU clock4.9 GHz vs 4.8 GHz+2%

Why is ROG Zephyrus G16 GU605 RTX 4090 (2024) better than X16 RTX 4080 (2023)?

  1. Weight2.72 kg vs 1.85 kg+47%
  2. Resolution classFull HD (1080p/1200p) vs QHD (1440p/1600p)
  3. CPU cores10 vs 16+60%
  4. Video memory12 GB vs 16 GB+33%
  5. Brightness300 nits vs 400 nits+33%
  6. GPU shader cores7,424 vs 9,728+31%
  7. RAM typeLPDDR5 vs LPDDR5X
  8. SSD (base)256 GB vs 512 GB2×
  9. Cinebench 2024 multi-core841 vs 961+14%
  10. Thickness18.6 mm vs 17.2 mm+8%
  11. CPU threads16 vs 22+38%
  12. Pixel density142 ppi vs 189 ppi+33%
Specifications

Side by side

Alienware X16 RTX 4080 (2023)Alienware X16 RTX 4080 (2023)8.7
Asus ROG Zephyrus G16 GU605 RTX 4090 (2024)Asus ROG Zephyrus G16 GU605 RTX 4090 (2024)9.3
Graphics
Graphics cardGeForce RTX 4080 LaptopGeForce RTX 4090 Laptop
GPU makerNVIDIANVIDIA
GPU power (TGP)175 W115 W
Video memory12 GB16 GB
Video memory typeGDDR6GDDR6
GPU shader cores7,4249,728
GPU compute (FP32)37.6 TFLOPS31.2 TFLOPS
3DMark Steel Nomad Light20,13519,706
Processor
ProcessorCore i7-13620HCore Ultra 7 155H
CPU makerIntelIntel
CPU cores1016
CPU threads1622
Max CPU clock4.9 GHz4.8 GHz
Processor optionsCore i7-13620H, Core i7-13700H, Core i9-13900HKCore Ultra 7 155H, Core Ultra 9 185H
Geekbench 6 multi-core12,67212,605
Geekbench 6 single-core2,5312,455
Cinebench 2024 multi-core841961
Display
Screen size16″16″
Resolution1920 × 12002560 × 1600
Resolution classFull HD (1080p/1200p)QHD (1440p/1600p)
Refresh rate480 Hz240 Hz
Panel typeIPSIPS
Brightness300 nits400 nits
sRGB coverage99%—
Response time3 ms3 ms
DCI-P3 coverage99%100%
Pixel density142 ppi189 ppi
Aspect ratio16:1016:10
G-Sync / FreeSyncYesYes
Advanced OptimusYesNo
MUX switchYesYes
HDRYesNo
TouchscreenNoNo
Memory & storage
RAM (up to)32 GB32 GB
RAM (base)16 GB16 GB
RAM typeLPDDR5LPDDR5X
RAM speed6,400 MHz7,467 MHz
Upgradable RAMNoNo
SSD (up to)4,096 GB4,096 GB
SSD (base)256 GB512 GB
M.2 SSD slots22
SSD interfacePCIe 4.0 x4PCIe 4.0 x4
Battery & power
Battery capacity90 Wh90 Wh
Power adapter330 W240 W
USB-C charging (Power Delivery)YesYes
Design & cooling
Weight2.72 kg1.85 kg
Thickness18.6 mm17.2 mm
Width364.7 mm354 mm
Depth289.8 mm246 mm
Body materialAluminiumAluminium
ColoursBlack, SilverWhite, Gray
Cooling fans43
Vapor chamber coolingYesYes
Liquid metal (CPU)—Yes
Fan noise (max. load)54.8 dB46.4 dB
Ports & wireless
Thunderbolt / USB4Thunderbolt 4Thunderbolt 4
Thunderbolt or USB4YesYes
USB-C ports32
USB-A ports22
HDMIHDMI 2.1HDMI 2.1
HDMI 2.1YesYes
(Mini) DisplayPortYesNo
Ethernet portNoNo
SD card readerYesYes
3.5 mm audio jackYesYes
Wi-Fi standardWi-Fi 6EWi-Fi 6E
Bluetooth5.35.3
Keyboard & camera
Backlit keyboardYesYes
Numeric keypadNoNo
Key travel1.8 mm1.7 mm
Webcam1,080p1,080p
IR camera (face login)YesYes
Fingerprint readerNoNo
Audio
Speakers2.42.4
Dolby AtmosYesYes

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