Galaxy S23 Ultra vs Redmi Turbo 4

Phone 1

Phone 2

Winner

Xiaomi Redmi Turbo 4

Lifespan decides this one: the Redmi Turbo 4 is supported until Jan 2029 at $7.04 per month of safe use, while the Galaxy S23 Ultra runs out in Feb 2028 ($16.94/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy S23 Ultra 76 · Redmi Turbo 4 76 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Samsung Galaxy S23 Ultra $339

Buy with care$16.94/mo

2023◆ Buy-by Feb 20262028

Xiaomi Redmi Turbo 4 $215

Buy with care$7.04/mo

2025◆ Buy-by Jan 20272029

Category by category

Display

Galaxy S23 Ultra 90Redmi Turbo 4 80

The Galaxy S23 Ultra's screen is the better one — 6.8-inch dynamic amoled 2x, qhd+, ltpo 1–120hz, 1750 nits peak.

Performance

Galaxy S23 Ultra 85Redmi Turbo 4 78

The Galaxy S23 Ultra's Snapdragon 8 Gen 2 for Galaxy is simply the faster chip.

Camera

Galaxy S23 Ultra 96Redmi Turbo 4 67

The Galaxy S23 Ultra has the stronger camera system (4 real rear lenses vs 2).

Battery

Galaxy S23 Ultra 80Redmi Turbo 4 100

6,550mAh vs 5,000mAh — the Redmi Turbo 4 lasts longer between charges.

Software longevity

Galaxy S23 Ultra 24Redmi Turbo 4 36

The Redmi Turbo 4 is supported until Jan 2029 — 11 months longer than the Galaxy S23 Ultra.

Value

Galaxy S23 Ultra 76Redmi Turbo 4 76

Pound for pound, these two are equally good deals.

Full spec table

Spec	Galaxy S23 Ultra	Redmi Turbo 4
Price (street)	$339	$215
Display	6.8-inch Dynamic AMOLED 2X, QHD+, LTPO 1–120Hz, 1750 nits peak	6.67-inch LTPS OLED, 1.5K, 120Hz, 3200 nits peak
Chipset	Snapdragon 8 Gen 2 for Galaxy	MediaTek Dimensity 8400-Ultra (4nm)
RAM	8GB/12GB	12GB/16GB
Storage	256GB/512GB/1TB	256GB/512GB
Battery	5,000 mAh	6,550 mAh
Charging	45W wired, 15W wireless, 4.5W reverse wireless	90W wired
Rear cameras	200MP main, 12MP ultra-wide, 10MP telephoto 3x, 10MP periscope 10x	50MP main, 8MP ultra-wide
Dimensions	163.4 × 78.1 × 8.9 mm	161 × 75.2 × 8.1 mm
Weight	234 g	204 g
Water resistance	IP68	IP68
Supported until	Feb 2028	Jan 2029

Galaxy S23 Ultra full verdict →Redmi Turbo 4 full verdict →Longevity master board →

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.