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  3. Zenbook Pro 14 OLED UX6404 RTX 4070 (2023) vs Legion Slim 7i Gen 8 RTX 4070 (2023)

Asus Zenbook Pro 14 OLED UX6404 RTX 4070 (2023) vs Lenovo Legion Slim 7i Gen 8 RTX 4070 (2023)

What Zenbook Pro 14 OLED UX6404 RTX 4070 (2023) does better (16) and where Legion Slim 7i Gen 8 RTX 4070 (2023) wins (14) — every spec side by side.

Asus Zenbook Pro 14 OLED UX6404 RTX 4070 (2023)
Asus · 2023Zenbook Pro 14 OLED UX6404 RTX 4070 (2023)
8.2Score
16 advantages
Higher score
vs
Lenovo Legion Slim 7i Gen 8 RTX 4070 (2023)
Lenovo · 2023Legion Slim 7i Gen 8 RTX 4070 (2023)
7.9Score
14 advantages
6.3Graphics8.5
7.0Overall performance7.4
9.0Display6.2
6.3Memory & storage5.5
8.2Battery & portability8.0
7.4Features & cooling5.3
Dimensions

Size comparison

Zenbook Pro 14 OLED UX6404 RTX 4070 (2023)Legion Slim 7i Gen 8 RTX 4070 (2023)
321.8 × 223.317.9357.7 × 259.319.9
Zenbook Pro 14 OLED UX6404 RTX 4070 (2023)Legion Slim 7i Gen 8 RTX 4070 (2023)Difference
Depth223.3 mm259.3 mm−36 mm
Width321.8 mm357.7 mm−35.9 mm
Thickness17.9 mm19.9 mm−2 mm
Weight1.6 kg2 kg−0.4 kg

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

Why is Zenbook Pro 14 OLED UX6404 RTX 4070 (2023) better than Legion Slim 7i Gen 8 RTX 4070 (2023)?

  1. RAM (up to)48 GB vs 32 GB+50%
  2. Resolution class3K (1800p/2000p) vs QHD (1440p/1600p)
  3. Panel typeOLED vs IPS
  4. Brightness550 nits vs 300 nits+83%
  5. Weight1.6 kg vs 2 kg+25%
  6. Geekbench 6 multi-core14,415 vs 11,653+24%
  7. Response time1 ms vs 5 ms5×
  8. IR camera (face login)Yes · Legion Slim 7i Gen 8 RTX 4070 (2023): No
  9. Dolby AtmosYes · Legion Slim 7i Gen 8 RTX 4070 (2023): No
  10. CPU cores14 vs 12+17%
  11. Thickness17.9 mm vs 19.9 mm+11%
  12. Max. supported RAM48 GB vs 32 GB+50%

Why is Legion Slim 7i Gen 8 RTX 4070 (2023) better than Zenbook Pro 14 OLED UX6404 RTX 4070 (2023)?

  1. GPU power (TGP)90 W vs 140 W+56%
  2. Battery capacity76 Wh vs 100 Wh+31%
  3. Refresh rate120 Hz vs 165 Hz+38%
  4. GPU compute (FP32)17 TFLOPS vs 21.8 TFLOPS+28%
  5. 3DMark Steel Nomad Light10,440 vs 12,920+24%
  6. USB-A ports1 vs 33×
  7. Advanced OptimusNo · Zenbook Pro 14 OLED UX6404 RTX 4070 (2023): Yes
  8. RAM (base)8 GB vs 16 GB2×
  9. SSD (base)256 GB vs 512 GB2×
  10. M.2 SSD slots1 vs 22×
  11. Cinebench 2024 multi-core698 vs 807+16%
  12. Screen size14.5″ vs 16″+10%
Specifications

Side by side

Asus Zenbook Pro 14 OLED UX6404 RTX 4070 (2023)Asus Zenbook Pro 14 OLED UX6404 RTX 4070 (2023)8.2
Lenovo Legion Slim 7i Gen 8 RTX 4070 (2023)Lenovo Legion Slim 7i Gen 8 RTX 4070 (2023)7.9
Graphics
Graphics cardGeForce RTX 4070 LaptopGeForce RTX 4070 Laptop
GPU makerNVIDIANVIDIA
GPU power (TGP)90 W140 W
Video memory8 GB8 GB
Video memory typeGDDR6GDDR6
GPU shader cores4,6084,608
GPU compute (FP32)17 TFLOPS21.8 TFLOPS
3DMark Steel Nomad Light10,44012,920
Processor
ProcessorCore i9-13900HCore i5-13500H
CPU makerIntelIntel
CPU cores1412
CPU threads2016
Max CPU clock5.4 GHz4.7 GHz
Processor optionsCore i9-13900HCore i5-13500H, Core i7-13700H, Core i9-13900H
Geekbench 6 multi-core14,41511,653
Geekbench 6 single-core2,5782,537
Cinebench 2024 multi-core698807
Display
Screen size14.5″16″
Resolution2880 × 18002560 × 1600
Resolution class3K (1800p/2000p)QHD (1440p/1600p)
Refresh rate120 Hz165 Hz
Panel typeOLEDIPS
Brightness550 nits300 nits
sRGB coverage100%100%
Response time1 ms5 ms
DCI-P3 coverage100%—
Pixel density234 ppi189 ppi
Aspect ratio16:1016:10
G-Sync / FreeSyncYesYes
Advanced OptimusNoYes
MUX switchYesYes
HDRYesYes
TouchscreenNoNo
Memory & storage
RAM (up to)48 GB32 GB
RAM (base)8 GB16 GB
RAM typeDDR5DDR5
RAM speed4,800 MHz5,200 MHz
Max. supported RAM48 GB32 GB
RAM slots11
Upgradable RAMYesYes
SSD (up to)2,048 GB2,048 GB
SSD (base)256 GB512 GB
M.2 SSD slots12
SSD interfacePCIe 4.0 x4PCIe 4.0 x4
Battery & power
Battery capacity76 Wh100 Wh
Power adapter200 W330 W
USB-C charging (Power Delivery)YesYes
Design & cooling
Weight1.6 kg2 kg
Thickness17.9 mm19.9 mm
Width321.8 mm357.7 mm
Depth223.3 mm259.3 mm
Body materialAluminiumAluminium
ColoursBlackWhite, Gray
Cooling fans22
Vapor chamber coolingNoNo
Liquid metal (CPU)NoNo
Fan noise (max. load)48.8 dB54.4 dB
Ports & wireless
Thunderbolt / USB4Thunderbolt 4Thunderbolt 4
Thunderbolt or USB4YesYes
USB-C ports22
USB-A ports13
HDMIHDMI 2.1HDMI 2.1
HDMI 2.1YesYes
(Mini) DisplayPortNoNo
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 keypadNoYes
Key travel1.4 mm1.5 mm
Webcam1,080p1,080p
IR camera (face login)YesNo
Fingerprint readerNoYes
Audio
Speakers2.02.0
Dolby AtmosYesNo

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