Xiaomi Redmi K20 Pro vs Asus ROG Phone II ZS660KL

Phones Images
PHONES
Phone Names Xiaomi Redmi K20 Pro Asus ROG Phone II ZS660KL
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 5, 7, 8, 34, 38, 39, 40, 411, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46
SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE (5CA) Cat18 (Cat20 Ultimate edition) 1200/150 Mbps
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2019, May 28. Released 2019, June 012019, July 22. Released 2019, September
StatusDiscontinuedDiscontinued
Body
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frameGlass front (Gorilla Glass 6), glass back (Gorilla Glass 3), aluminum frame
Dimensions156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in)171 x 77.6 x 9.5 mm (6.73 x 3.06 x 0.37 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight191 g (6.74 oz)240 g (8.47 oz)
 -RGB light panel (on the back)
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 6
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~391 ppi density)
Size6.39 inches, 100.2 cm2 (~86.1% screen-to-body ratio)6.59 inches, 106.6 cm2 (~80.3% screen-to-body ratio)
TypeSuper AMOLED, HDR10AMOLED, 1B colors, 120Hz, HDR10
Platform
CPUOcta-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
ChipsetQualcomm SM8150 Snapdragon 855 (7 nm)Qualcomm SM8150 Snapdragon 855+ (7 nm)
GPUAdreno 640Adreno 640 (700 MHz)
OSAndroid 9.0 (Pie), upgradable to Android 10, MIUI 12Android 9.0 (Pie), ROG UI
Memory
Card slotNoNo
Internal64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM128GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
 UFS 2.1UFS 3.0
Main Camera
Dual-48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 13 MP, f/2.4, 11mm (ultrawide)
FeaturesLaser AF, Dual-LED flash, HDR, panoramaLaser AF, LED flash, HDR, panorama
Single-5 MP
Triple48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 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-
Video4K@30/60fps, 1080p@30/120/240fps, 1080p@960fps4K@30/60fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS (except @240/480fps)
Selfie camera
FeaturesHDRPanorama, HDR
SingleMotorized pop-up 20 MP, f/2.2, (wide), 1/3.4", 0.8µm24MP, f/2.2, 0.9µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes, with DTS:X stereo speakers (2 dedicated amplifiers)
 24-bit/192kHz audio 24-bit/192kHz audio
Comms
Bluetooth5.0, A2DP, LE, aptX HD5.0, A2DP, LE, aptX HD
NFCYes (China only)Yes
PositioningGPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS
RadioYesFM radio
USBUSB Type-C 2.0, OTGUSB Type-C 3.1, accessory connector, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/ad, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging27W wired, QC430W wired 10W reverse wired, QC4
Stand-by-Up to 150 h (3G)
Talk time-Up to 5 h (3G)
TypeLi-Po 4000 mAh, non-removableLi-Po 6000 mAh, non-removable
Misc
ColorsCarbon black, Flame red, Glacier blue, Summer Honey, Pearl WhiteMatte Black, Glossy Black
ModelsM1903F11IASUS_I001D, I001DA, I001DE, I001DC, I001DB, I001D, I001DD
PriceAbout 400 EURAbout 1070 EUR
SAR1.03 W/kg (head)     0.72 W/kg (body)-
Tests
Audio quality Noise -93.9dB / Crosstalk -94.2dB-
Battery lifeEndurance rating 103h Endurance rating 114h
Camera Photo / Video Photo / Video
Display Contrast ratio: Infinite (nominal) Contrast ratio: Infinite (nominal)
Loudspeaker Voice 71dB / Noise 75dB / Ring 84dB -19.5 LUFS (Excellent)
Performance AnTuTu: 368846 (v7), 437823 (v8) GeekBench: 10684 (v4.4), 2732 (v5.1) GFXBench: 36fps (ES 3.1 onscreen) AnTuTu: 398935 (v7), 483239 (v8) GeekBench: 10923 (v4.4) GFXBench: 40fps (ES 3.1 onscreen)
OUR TESTS
Audio qualityNoise -93.9dB / Crosstalk -94.2dB-
Battery (old)Endurance rating 103hEndurance rating 114h
CameraPhoto / VideoPhoto / Video
Display643 nits max brightness (measured)626 nits max brightness (measured)
LoudspeakerVoice 71dB / Noise 75dB / Ring 84dB-19.5 LUFS (Excellent)
PerformanceAnTuTu: 368846 (v7), 437823 (v8) GeekBench: 10684 (v4.4), 2732 (v5.1) GFXBench: 36fps (ES 3.1 onscreen)AnTuTu: 398935 (v7), 483239 (v8) GeekBench: 10923 (v4.4) GFXBench: 40fps (ES 3.1 onscreen)