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  3. Aorus Master 18 RTX 5080 (2025) vs Legion 9i Gen 9 RTX 4090 (2024)

Gigabyte Aorus Master 18 RTX 5080 (2025) vs Lenovo Legion 9i Gen 9 RTX 4090 (2024)

What Aorus Master 18 RTX 5080 (2025) does better (17) and where Legion 9i Gen 9 RTX 4090 (2024) wins (13) — every spec side by side.

Gigabyte Aorus Master 18 RTX 5080 (2025)
Gigabyte · 2025Aorus Master 18 RTX 5080 (2025)
8.7Score
17 advantages≈ $4,300
vs
Lenovo Legion 9i Gen 9 RTX 4090 (2024)
Lenovo · 2024Legion 9i Gen 9 RTX 4090 (2024)
9.7Score
13 advantages
Higher score
8.3Graphics9.6
8.3Overall performance9.7
8.8Display9.6
4.1Memory & storage8.6
6.3Battery & portability9.0
9.5Features & cooling9.0
Dimensions

Size comparison

Aorus Master 18 RTX 5080 (2025)Legion 9i Gen 9 RTX 4090 (2024)
401 × 28730357.7 × 277.722.7
Aorus Master 18 RTX 5080 (2025)Legion 9i Gen 9 RTX 4090 (2024)Difference
Depth287 mm277.7 mm+9.3 mm
Width401 mm357.7 mm+43.3 mm
Thickness30 mm22.7 mm+7.3 mm
Weight3.5 kg2.5 kg+1 kg

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

Why is Aorus Master 18 RTX 5080 (2025) better than Legion 9i Gen 9 RTX 4090 (2024)?

  1. Refresh rate240 Hz vs 165 Hz+45%
  2. 3DMark Steel Nomad Light28,453 vs 24,788+15%
  3. Geekbench 6 multi-core22,441 vs 19,717+14%
  4. Advanced OptimusYes · Legion 9i Gen 9 RTX 4090 (2024): No
  5. Max. supported RAM128 GB vs 64 GB2×
  6. Vapor chamber coolingYes · Legion 9i Gen 9 RTX 4090 (2024): No
  7. IR camera (face login)Yes · Legion 9i Gen 9 RTX 4090 (2024): No
  8. Dolby AtmosYes · Legion 9i Gen 9 RTX 4090 (2024): No
  9. SSD (base)2,000 GB vs 1,024 GB+95%
  10. Cinebench 2024 multi-core2,132 vs 1,888+13%
  11. M.2 SSD slots3 vs 2+50%
  12. USB-A ports3 vs 2+50%

Why is Legion 9i Gen 9 RTX 4090 (2024) better than Aorus Master 18 RTX 5080 (2025)?

  1. RAM (up to)32 GB vs 64 GB2×
  2. SSD (up to)2,000 GB vs 4,096 GB2×
  3. Resolution classQHD (1440p/1600p) vs 3K (1800p/2000p)
  4. Weight3.5 kg vs 2.54 kg+38%
  5. Response time5 ms vs 1 ms5×
  6. GPU compute (FP32)42 TFLOPS vs 45.2 TFLOPS+8%
  7. Thickness30 mm vs 22.7 mm+32%
  8. GPU shader cores7,680 vs 9,728+27%
  9. Liquid metal (CPU)No · Aorus Master 18 RTX 5080 (2025): Yes
  10. USB-C ports2 vs 3+50%
  11. Pixel density168 ppi vs 236 ppi+40%
  12. CPU threads24 vs 32+33%
Specifications

Side by side

Gigabyte Aorus Master 18 RTX 5080 (2025)Gigabyte Aorus Master 18 RTX 5080 (2025)≈ $4,3008.7
Lenovo Legion 9i Gen 9 RTX 4090 (2024)Lenovo Legion 9i Gen 9 RTX 4090 (2024)9.7
Graphics
Graphics cardGeForce RTX 5080 LaptopGeForce RTX 4090 Laptop
GPU makerNVIDIANVIDIA
GPU power (TGP)175 W175 W
Video memory16 GB16 GB
Video memory typeGDDR7GDDR6
GPU shader cores7,6809,728
GPU compute (FP32)42 TFLOPS45.2 TFLOPS
3DMark Steel Nomad Light28,45324,788
Processor
ProcessorCore Ultra 9 275HXCore i9-14900HX
CPU makerIntelIntel
CPU cores2424
CPU threads2432
Max CPU clock5.4 GHz5.8 GHz
Processor optionsCore Ultra 9 275HXCore i9-14900HX
Geekbench 6 multi-core22,44119,717
Geekbench 6 single-core3,3423,232
Cinebench 2024 multi-core2,1321,888
Display
Screen size18″16″
Resolution2560 × 16003200 × 2000
Resolution classQHD (1440p/1600p)3K (1800p/2000p)
Refresh rate240 Hz165 Hz
Panel typeMini-LEDMini-LED
Brightness1,200 nits1,200 nits
sRGB coverage100%100%
Response time5 ms1 ms
DCI-P3 coverage100%100%
Pixel density168 ppi236 ppi
Aspect ratio16:1016:10
G-Sync / FreeSyncYesYes
Advanced OptimusYesNo
MUX switchYesYes
HDRYesYes
TouchscreenNoNo
Memory & storage
RAM (up to)32 GB64 GB
RAM (base)32 GB32 GB
RAM typeDDR5DDR5
RAM speed5,600 MHz5,600 MHz
Max. supported RAM128 GB64 GB
RAM slots22
Upgradable RAMYesYes
SSD (up to)2,000 GB4,096 GB
SSD (base)2,000 GB1,024 GB
M.2 SSD slots32
SSD interfacePCIe 5.0 x4PCIe 4.0 x4
Battery & power
Battery capacity99 Wh100 Wh
Power adapter400 W330 W
USB-C charging (Power Delivery)YesYes
USB-C charging power—140 W
Design & cooling
Weight3.5 kg2.54 kg
Thickness30 mm22.7 mm
Width401 mm357.7 mm
Depth287 mm277.7 mm
Body materialPlasticAluminium
ColoursGreyBlack
Cooling fans43
Vapor chamber coolingYesNo
Liquid metal (CPU)NoYes
Fan noise (max. load)53 dB55.5 dB
Ports & wireless
Thunderbolt / USB4Thunderbolt 4Thunderbolt 4
Thunderbolt or USB4YesYes
USB-C ports23
USB-A ports32
HDMIHDMI 2.1HDMI 2.1
HDMI 2.1YesYes
(Mini) DisplayPortYesNo
Ethernet5 Gbit/s—
Ethernet portYesYes
SD card readerYesYes
3.5 mm audio jackYesYes
Wi-Fi standardWi-Fi 7Wi-Fi 7
Bluetooth5.45.3
Keyboard & camera
Keyboard backlightSingle-colour RGB—
Backlit keyboardYesYes
Numeric keypadYesYes
Key travel1.7 mm1.5 mm
Webcam1,080p1,080p
IR camera (face login)YesNo
Fingerprint readerNoYes
Audio
Speakers2 speakers2.0
Dolby AtmosYesNo

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