Device comparison

Two devices. One clear decision.

Choose the exact models, then compare every available specification in one aligned view.

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Device A

Redmi K90 Ultra

Xiaomi · Phones

Brand Model Open full profile →

Device B

vivo · Phones

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Complete comparison

Every available group and stored value, aligned by field.

Differences only

LAUNCH DATE3 fields

NETWORK6 fields

Specification	Redmi K90 Ultra	X500
2G Bands	GSM 850 / 900 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900 MHz
3G Bands	HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100	WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19
4G LTE	1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66	FDD-LTE B1 / B2 / B3 / B4 / B5 / B7 / B8 / B18 / B19 / B20 / B25 / B26 / B28A / B66; TD-LTE B34 / B38 / B39 / B40 / B41 / B42 / B43 / B48
5G	1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA	n1 / n2 / n3 / n5 / n7 / n8 / n18 / n20 / n25 / n26 / n28A / n34 / n38 / n39 / n40 / n41 / n48 / n66 / n77 / n78 / n79
Speed	HSPA, LTE, 5G	—
Technology	GSM / WCDMA / LTE / 5G	GSM / WCDMA / LTE / 5G (dual SIM, 5G dual active)

BODY6 fields

Specification	Redmi K90 Ultra	X500
Build	Glass front, Aluminum frame	Aerospace aluminium frame, one-piece cold-carved glass back
Colors	—	Earth Echo, Sunny Day, Dawn, Night
Dimensions	162.91 x 77.93 x 8.18 mm	157.01 x 74.49 x 8.15 mm
IP Rating	IP68/IP69 dust tight and Water resistant (high pressure water jets; immersible up to 1.5m for 30 min)	IP68 + IP69 dust and water resistance
SIM	Dual Nano-SIM	Dual Nano-SIM
Weight	227 g	211 g (Earth Echo, Sunny Day, Dawn); 213 g (Night)

DISPLAY6 fields

Specification	Redmi K90 Ultra	X500
Brightness	3500 nits (peak)	4000 nits peak (20% APL), 2000 nits full-screen peak, 1 nit minimum
Refresh Rate	165Hz	30 / 60 / 90 / 120 / 144Hz
Resolution	1280 x 2772 pixels	1260 x 2750 pixels, 19.64:9 ratio (459 ppi)
Screen-to-body	~90.3%	95.12%
Size	6.83 inches	6.59 inches
Type	AMOLED	AMOLED, 144Hz, 1.07 billion colors, HDR, 100% P3, 8,000,000:1 contrast

PLATFORM4 fields

Specification	Redmi K90 Ultra	X500
CPU	Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)	Octa-core (1x 4.21GHz + 3x 3.5GHz + 4x 2.7GHz)
Chipset	Qualcomm Snapdragon 8 Elite	MediaTek Dimensity 9600M (3 nm)
GPU	Adreno 830 (1200 MHz)	Arm G1-Ultra
OS	Android 16; HyperOS	Android 17, OriginOS 7

MEMORY5 fields

MAIN CAMERA3 fields

Specification	Redmi K90 Ultra	X500
Features	Color spectrum sensor, LED Flash, Panorama, HDR	Zeiss optics, Zeiss T* coating, flash, AF on all rear cameras, up to 100x digital zoom, CIPA 5.5 stabilization
MAIN CAMERA	50 MP main with OIS; 8 MP ultrawide	50 MP, f/1.68, 23mm (wide), 1/1.28" Sony LYTIA-828, OIS; 64 MP, f/2.55, 72mm (periscope telephoto), 1/2", OIS, 3.1x optical zoom; 50 MP, f/2.0, 15mm (ultrawide), 1/2.76", AF
Video	8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+	Up to 8K; slow motion up to 4K; video stabilization

SELFIE CAMERA3 fields

Specification	Redmi K90 Ultra	X500
Features	HDR	Zeiss, autofocus, video stabilization
Selfie camera	20 MP	50 MP, f/2.0, 1/2.76", AF, 92° FOV
Video	4K@30/60fps, 1080p@30fps	4K@60fps, 1080p@60fps

SOUND2 fields

Specification	Redmi K90 Ultra	X500
3.5mm jack	No	No (USB Type-C digital earphones only)
Loudspeaker	Yes, with Stereo Speakers	Yes, with stereo speakers (symmetric dual speakers)

COMMUNICATION6 fields

Specification	Redmi K90 Ultra	X500
Bluetooth	5.4, A2DP, LE, LHDC 5.0, ASHA, Auracast	Bluetooth 5.4; SBC, AAC, aptX, aptX HD, LDAC, LHDC 5.0
NFC	Yes	Yes (reader mode; card emulation)
Positioning	Yes	GPS (L1+L5), BeiDou (B1C+B1I+B2a+B2b), GLONASS (G1), Galileo (E1+E5a+E5b), QZSS (L1+L5), NavIC (L1+L5); A-GPS, cellular and WLAN positioning
Radio	No	No
USB	USB Type-C	USB Type-C, USB 3.2, OTG, DisplayPort output
WLAN	Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct	Wi-Fi 7, Wi-Fi 6, 2.4GHz / 5GHz, 2x2 MIMO, MU-MIMO, 2.4GHz & 5GHz dual concurrent, Wi-Fi Display, hotspot

FEATURES1 field

Specification	Redmi K90 Ultra	X500
Sensors	Fingerprint (under display, optical), accelerometer, proximity, gyro, compass	Accelerometer, ambient light, proximity, gyroscope, compass, dual ambient light, 3D ultrasonic fingerprint, front and rear colour temperature, flicker, laser focus, Hall sensor, infrared remote, X-axis linear motor

BATTERY3 fields

Specification	Redmi K90 Ultra	X500
Capacity	8550mAh	7500 mAh typical (7270 mAh rated)
Charging Type	100W wired; 22.5W reverse wired	90W wired, 40W wireless, reverse (OTG) wired charging
Type	Non-removable Si/C Li-Ion Battery	Li-Ion, single cell, 5th-gen silicon anode

ADDITIONAL INFORMATION7 fields

Specification	Redmi K90 Ultra	X500
Colors	Black, Blue, Silver	Earth Echo, Sunny Day, Dawn, Night
Compatibility	China	China-market model (V2609A) with OriginOS 7 China ROM. Only the X500 Pro and X500 Pro Max are listed for the 27 October 2026 European launch; the standard X500 may stay China-only
Cooling	—	Ice Vein fluid VC cooling (冰脉流体 VC); vapor chamber area 15% larger than the X300 (vivo)
Launch Price	—	CNY 5,499 (12GB+256GB), CNY 5,999 (12GB+512GB), CNY 6,999 (12GB+1TB) — China launch, 2026-09-21
Models	Redmi K90 Ultra 5G, 2604FRK1EC	V2609A
Models and regions	—	V2609A (China)
Price in Nigeria	₦1,200,000 (Stored estimate)	Nigeria price not recorded. Worldwide quote: CNY 5,499

TESTS2 fields

Specification	Redmi K90 Ultra	X500
Battery Endurance	—	AnTuTu test (12GB+512GB): 44% left after a 6-hour mixed-use run (56% used); 3 h of gaming (1 h each: Honor of Kings, Honkai: Star Rail, Genshin Impact) used 39%
Performance	—	AnTuTu V12.0.1: 3,358,912 (CPU 1,026,847 / GPU 1,171,187 / MEM 505,084 / UX 655,794) (AnTuTu review, 12GB+512GB)

SECURITY1 field

Specification	Redmi K90 Ultra	X500
Security	Biometric security: Fingerprint (under display, optical).	3D ultrasonic single-point fingerprint, face unlock