Xiaomi Mi 9 vs Xiaomi Redmi K20 Pro
A spec-by-spec comparison of the Xiaomi Mi 9 and the Xiaomi Redmi K20 Pro, taken from their full specification sheets. Green marks the better value in each measured row.
VS
Head to head
| Xiaomi Mi 9 | Xiaomi Redmi K20 Pro | |
|---|---|---|
| Price | $129 | $409 |
| Our rating | 9/10 | 8/10 |
| Battery | 3,300 mAh | 4,000 mAh |
| Wired charging | 27W | 27W |
| RAM (max) | 8 GB | 8 GB |
| Storage (max) | 256 GB | 256 GB |
| Screen size | 6.39 in | 6.39 in |
| Main camera | 48 MP | 48 MP |
| Weight (lower is lighter) | 173 g | 191 g |
| Released | Mar 2019 | May 2019 |
Summary: Xiaomi Mi 9 is ahead on our rating, weight (lower is lighter). Xiaomi Redmi K20 Pro is ahead on battery.
★ Which should you buy? Xiaomi Mi 9 is the stronger overall pick on the measured specs.
Display
| Xiaomi Mi 9 | Xiaomi Redmi K20 Pro | |
|---|---|---|
| Type | Super AMOLED, HDR10 | Super AMOLED, HDR |
| Size | 6.39 inches, 100.2 cm2 (~85.2% screen-to-body ratio) | 6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio) |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) |
| Protection | Corning Gorilla Glass 6 | Corning Gorilla Glass 5 |
| Brightness | — | 430 nits (typical), 600 nits (HBM), 643 nits (max measured) |
Platform
| Xiaomi Mi 9 | Xiaomi Redmi K20 Pro | |
|---|---|---|
| OS | Android 9.0 (Pie), upgradable to Android 10, MIUI 12.5 | Android 9.0 (Pie), upgradable to Android 10, MIUI 12 |
| Chipset | Qualcomm SM8150 Snapdragon 855 (7 nm) | Qualcomm SM8150 Snapdragon 855 (7 nm) |
| CPU | Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) | Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) |
| GPU | Adreno 640 | Adreno 640 |
Memory
| Xiaomi Mi 9 | Xiaomi Redmi K20 Pro | |
|---|---|---|
| Card slot | No | No |
| Internal | 64GB 6GB RAM, 64GB 8GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM (UFS 2.1) | 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM |
| Type | — | UFS 2.1 storage, LPDDR4x RAM |
Main Camera
| Xiaomi Mi 9 | Xiaomi Redmi K20 Pro | |
|---|---|---|
| Triple | 48 MP, f/1.8, 27mm (wide), 1/2.0", 0.8µm, PDAF; 12 MP, f/2.2, 54mm (telephoto), 1/3.6", 1.0µm, PDAF, 2x optical zoom; 16 MP, f/2.2, 13mm (ultrawide), 1/3.0", 1.0µm, PDAF | 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF, Laser AF (Sony IMX586 sensor); 8 MP, f/2.4, 53mm (telephoto), 1/4.0", 1.12µm, PDAF, 2x optical zoom; 13 MP, f/2.4, 12mm (ultrawide), 1/3.1", 1.12µm |
| Features | Laser AF, Dual-LED flash, HDR, panorama | Dual-LED flash, HDR, panorama |
| Video | 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps | 4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps |
Selfie Camera
| Xiaomi Mi 9 | Xiaomi Redmi K20 Pro | |
|---|---|---|
| Single | 20 MP, f/2.0, (wide), 1/3", 0.9µm | Motorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm |
| Features | HDR | HDR |
| Video | 1080p@30fps | 1080p@30fps |
Battery
| Xiaomi Mi 9 | Xiaomi Redmi K20 Pro | |
|---|---|---|
| Type | Li-Po 3300 mAh, non-removable | Li-Po 4000 mAh, non-removable |
| Charging | 27W wired (Quick Charge 4+), 20W wireless | 27W wired (Quick Charge 4+), 18W charger included in box |
Body
| Xiaomi Mi 9 | Xiaomi Redmi K20 Pro | |
|---|---|---|
| Dimensions | 157.5 x 74.7 x 7.6 mm (6.20 x 2.94 x 0.30 in) | 156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in) |
| Weight | 173 g (6.10 oz) | 191 g (6.74 oz) |
| Build | Glass front (Gorilla Glass 6), glass back (Gorilla Glass 5), aluminum frame | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
Comms
| Xiaomi Mi 9 | Xiaomi Redmi K20 Pro | |
|---|---|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot |
| Bluetooth | 5.0, A2DP, LE, aptX HD | 5.0, A2DP, LE, aptX HD |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5) | GPS (L1+L5), GLONASS (L1), BDS (B1), GALILEO (E1+E5a), QZSS (L1+L5) |
| NFC | Yes | Yes |
| Infrared port | Yes | — |
| Radio | No | No |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
Launch
| Xiaomi Mi 9 | Xiaomi Redmi K20 Pro | |
|---|---|---|
| Announced | 2019, February 20 | 2019, May |
| Status | Released 2019, March 25 | Available. Released 2019, June 01 |
Frequently asked questions
Which has the better battery, Xiaomi Mi 9 or Xiaomi Redmi K20 Pro?
Xiaomi Redmi K20 Pro — 3,300 mAh for the Xiaomi Mi 9 versus 4,000 mAh for the Xiaomi Redmi K20 Pro.
Which is lighter, Xiaomi Mi 9 or Xiaomi Redmi K20 Pro?
Xiaomi Mi 9 — 173 g for the Xiaomi Mi 9 versus 191 g for the Xiaomi Redmi K20 Pro.
Which is newer, Xiaomi Mi 9 or Xiaomi Redmi K20 Pro?
Xiaomi Redmi K20 Pro — Mar 2019 for the Xiaomi Mi 9 versus May 2019 for the Xiaomi Redmi K20 Pro.
Is the Xiaomi Mi 9 or the Xiaomi Redmi K20 Pro rated higher?
We rate the Xiaomi Mi 9 9/10 and the Xiaomi Redmi K20 Pro 8/10.