Google Pixel 9a vs Xiaomi Redmi K90 Ultra Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| Google Pixel 9a | Xiaomi Redmi K90 Ultra |
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Released
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Mar 26, 2025
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Announced
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No information
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6.3-inch · 2424x1080px
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6.8-inch · 2772x1280px
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Dual camera
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Dual camera
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8GB · 128GB
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12GB · 256GB
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5100 mAh
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8550 mAh
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| Check prices | |
| Check Accessories | Check Accessories |
Availability
| Officially announced | |
|---|---|
| Mar 19, 2025 | |
| Prices (MSRP) | |
| 8GB/128 - $499 | €599 8GB/256GB - $599 | €649 |
12GB/256GB - €390 16GB/256GB 12GB/512GB 16GB/512GB |
Design
| Dimensions | |
|---|---|
| 6.09 x 2.88 x 0.35 inches (~0.37 inches with camera bump) 154.7 x 73.2 x 8.9mm (~9.4 mm with camera bump) |
6.41 x 3.07 x 0.32 inches 162.9 x 77.9 x 8.2 |
| Weight | |
| 6.56 oz / 186.0 g | 8.01 oz / 227.0 g |
| Materials | |
| Back: Plastic Frame: Aluminum | Back: Glass Frame: Aluminum |
| Resistance | |
| Water, Dust; IP68 | Water, Dust; IP69 |
| Biometrics | |
| Optical in-screen fingerprint | Optical in-screen fingerprint |
| Keys | |
| Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
| Colors | |
| Obsidian, Porcelain, Iris, Peony | Black, Blue, Silver |
Display
| Size | |
|---|---|
| 6.3-inch, 79.39% screen-to-body | 6.8-inch |
| Type | |
| P-OLED, 120Hz, HDR, 2700 nits | AMOLED, 165Hz, Dolby Vision, 9500 nits |
| Resolution | |
| 2424x1080px, 20:9 ratio, 421 PPI | 2772x1280px, 19.5:9 ratio, 447 PPI |
| Protection | |
| Corning Gorilla Glass 3 | |
PhoneArena Display Test
| Bright Max (20% APL) | |
|---|---|
| 2561 (Excellent) | Untested |
| Bright Min | |
| 1.8 (Good) | Untested |
Learn more on our
PhoneArena Display Test Results page.
Hardware
| System chip | |
|---|---|
| Google Tensor G4 (4 nm) | Qualcomm Snapdragon 8 Elite SM8750-3-AB (3 nm) |
| Processor | |
| Octa-core 1x3.1GHz Cortex-X4 3x2.6GHz Cortex-A720 4x1.92GHz Cortex-A520 |
Octa-core 2x4.32GHz Oryon V2 PhoenixL 6x3.53GHz Oryon V2 PhoenixM |
| GPU | |
| Mali-G715 MC7 | Adreno 830 |
| Memory | |
| 8GB (LPDDR5X)/128GB (UFS 3.1) 8GB/256GB |
12GB (LPDDR5X)/256GB (UFS 4.1) 16GB/256GB 12GB/512GB 16GB/512GB |
| Storage expansion | |
| not expandable | not expandable |
| OS | |
| Android (15) | Android (16) |
PhoneArena Performance Test
| GeekBench 6 Single | |
|---|---|
| 1687 | Untested |
| GeekBench 6 Multi | |
| 4385 | Untested |
| 3D Mark High | |
| 2625 | Untested |
| 3D Mark Low | |
| 2124 | Untested |
Learn more on our
PhoneArena Performance Test Results page.
Battery
| Type | |
|---|---|
| 5100 mAh, Li - Ion | 8550 mAh, Si - Carbon |
| Charging | |
| Fast charging Qi wireless charging |
Fast charging |
| Charge speed | |
| Wired: 23.0W Wireless: 7.5W |
Wired: 100.0W |
Battery Life Estimate
8h 11min
Browsing
19h 39min
Video
10h 57min
Gaming
12h 30min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Camera
| Rear | |
|---|---|
| Dual camera | Dual camera |
| Main camera | |
| 48 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 25 mm Sensor size: 1/2" Pixel size: 0.8 μm |
50 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 24 mm Sensor size: 1/1.55" Pixel size: 1.0 μm |
| Second camera | |
| 13 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/3.1" Pixel size: 1.12 μm | 8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 15 mm Sensor size: 1/4" Pixel size: 1.12 μm |
| Flash | |
| Dual LED | LED |
| Video recording | |
| 4K UHD (60 fps), 1080p (240 fps) | |
| Front | |
| 13 MP Video capture: 4K UHD (30 fps) |
20 MP Video capture: 1080p (30 fps) |
134
Overall
143
Photo
126
Video
N/A
Overall
N/A
Photo
N/A
Video
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.3 | 5.4 |
| WLAN | |
| Wi-Fi 6,Wi-Fi 6E Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax | Wi-Fi 6,Wi-Fi 7,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax |
| USB | |
| Type-C, USB 3.2 | Type-C |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor |
| Location | |
| GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC |
| Other | |
| NFC | NFC, Infrared, Computer sync |
Multimedia
| Headphones | |
|---|---|
| No 3.5mm jack | No 3.5mm jack |
| Speakers | |
| Earpiece, Multiple speakers | Earpiece, Multiple speakers |
| Features | |
| Dolby Atmos | |
Cellular
| 5G Bands | |
|---|---|
| n1, n2, n3, n5, n7, n8, n20, n28, n48, n66, n71, n77, n78, n260, n261, SA, NSA, Sub-6, mmWave | |
| LTE Bands | |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 66, 71 | |
| TDD Bands | |
| 38, 41 | |
| 3G Bands | |
| 1, 2, 4, 5, 6, 8 | |
| Data Speed | |
| LTE-A, HSDPA+ (4G) 42.2 Mbit/s | |
| SIM type | |
| Nano SIM, eSIM | Dual Nano SIM |
Discover more
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