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InnoReviews

Asus ROG Phone 9 Pro vs Samsung Galaxy A51

WINNER
Asus ROG Phone 9 Pro
72.1Inno Score
VS
Samsung Galaxy A51
28.3Inno Score
85.5Performance20
65.2Display30.8
56.1Camera34.7
77Battery29.4
68Features33.3
14 spec wins — Asus ROG Phone 9 Pro4 spec wins — Samsung Galaxy A51

InnoReviews verdict

Asus ROG Phone 9 Pro wins this phone face-off, 72.1 to 28.3, pulling ahead mainly in performance (+66) and battery (+48). Samsung Galaxy A51 still makes sense if its price or standout specs fit your needs better.

Which would you pick?

Key differences

Reasons to pick the Asus ROG Phone 9 Pro

  • Stronger performance score: 86 vs 20
  • Stronger display score: 65 vs 31
  • Stronger camera score: 56 vs 35
  • Stronger battery score: 77 vs 29
  • Stronger features score: 68 vs 33

Reasons to pick the Samsung Galaxy A51

  • 50% higher OS update pledge: 3 years vs 2 years
  • 24% lower weight: 172 g vs 227 g
  • 11% lower thickness: 7.9 mm vs 8.9 mm
  • Lower launch price: $399 vs $1,199

Display

Display comparison: Asus ROG Phone 9 Pro versus Samsung Galaxy A51
SpecAsus ROG Phone 9 ProSamsung Galaxy A51
Screen size6.78 ″+4%6.5 ″
Panel typeLTPO AMOLEDSuper AMOLED
Resolution1080x24002400x1080
Pixel density388 ppi405 ppi+4%
Refresh rate185 Hz+208%60 Hz
Peak brightness2,500 nits—
Screen-to-body84.9 %—

Performance

Performance comparison: Asus ROG Phone 9 Pro versus Samsung Galaxy A51
SpecAsus ROG Phone 9 ProSamsung Galaxy A51
ChipsetSnapdragon 8 EliteSamsung Exynos 9611
AnTuTu 102,850,000+1226%Top 2%215,000Top 98%
Geekbench 6 (single)3,120+791%Top 6%350Top 99%
Geekbench 6 (multi)9,900+692%Top 2%1,250Top 100%
RAM (max)24 GB+300%6 GB
Storage options512GB/1TB64GB / 128GB
Storage typeUFS 4.0UFS 2.0

Camera

Camera comparison: Asus ROG Phone 9 Pro versus Samsung Galaxy A51
SpecAsus ROG Phone 9 ProSamsung Galaxy A51
Main camera50 MP+4%48 MP
Main aperturef/1.9f/2.0
Ultra-wide13 MP+8%12 MP
Telephoto32 MP—
Optical zoom3 x—
Max video8K@24fps4K@30fps
Front camera32 MP32 MP
OISYesNo

Battery

Battery comparison: Asus ROG Phone 9 Pro versus Samsung Galaxy A51
SpecAsus ROG Phone 9 ProSamsung Galaxy A51
Capacity5,800 mAh+45%4,000 mAh
Wired charging65 W+333%15 W
Wireless charging15 W—
Active use endurance14 h—

Design

Design comparison: Asus ROG Phone 9 Pro versus Samsung Galaxy A51
SpecAsus ROG Phone 9 ProSamsung Galaxy A51
Weight227 g172 g+24%
Thickness8.9 mm7.9 mm+11%
IP ratingIP68—
Frame materialAluminumPlastic

Connectivity

Connectivity comparison: Asus ROG Phone 9 Pro versus Samsung Galaxy A51
SpecAsus ROG Phone 9 ProSamsung Galaxy A51
5GYesNo
Wi-FiWi-Fi 7Wi-Fi 5
Bluetooth5.45.0
NFCYesYes
USBUSB-C 3.2USB-C 2.0
eSIMYesNo

Software

Software comparison: Asus ROG Phone 9 Pro versus Samsung Galaxy A51
SpecAsus ROG Phone 9 ProSamsung Galaxy A51
OS at launchAndroid 15 (ROG UI)Android 10 (One UI 2)
OS update pledge2 years3 years+50%

Audio

Audio comparison: Asus ROG Phone 9 Pro versus Samsung Galaxy A51
SpecAsus ROG Phone 9 ProSamsung Galaxy A51
Stereo speakersYesNo
3.5mm jackYesYes

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