Realme X2 vs Samsung Galaxy M40

Phones Images
PHONES
Phone Names Realme X2 Samsung Galaxy M40
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 4, 5, 8, 34, 38, 39, 40, 41 - China1, 3, 5, 8, 40, 41
SpeedHSPA, LTEHSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps
TechnologyGSM / CDMA / HSPA / EVDO / LTEGSM / HSPA / LTE
 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - EMEA-
Launch
Announced2019, September 24. Released 2019, September2019, June. Released 2019, June
StatusDiscontinuedDiscontinued
Body
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frameGlass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions158.7 x 75.2 x 8.6 mm (6.25 x 2.96 x 0.34 in)155.3 x 73.9 x 7.9 mm (6.11 x 2.91 x 0.31 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight182 g (6.42 oz)168 g (5.93 oz)
Display
ProtectionCorning Gorilla Glass 5Corning Gorilla Glass 3
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Size6.4 inches, 100.5 cm2 (~84.3% screen-to-body ratio)6.3 inches, 97.4 cm2 (~84.9% screen-to-body ratio)
TypeSuper AMOLEDPLS LCD
Platform
CPUOcta-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver)
ChipsetQualcomm SDM730 Snapdragon 730G (8 nm)Qualcomm SDM675 Snapdragon 675 (11 nm)
GPUAdreno 618Adreno 612
OSAndroid 9.0 (Pie), upgradable to Android 10, Realme UIAndroid 9.0 (Pie), upgradable to Android 11, One UI 3.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM64GB 4GB RAM, 128GB 6GB RAM
 UFS 2.1eMMC 5.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, panorama, HDR
Quad64 MP, f/1.8, (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.3, 13mm (ultrawide) 2 MP (macro) Auxiliary lens-
Triple-32 MP, f/1.7, 26mm (wide), 1/2.8", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm, PDAF Auxiliary lens
Video4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS4K@30fps, 1080p@30fps
Selfie camera
FeaturesHDRHDR
Single32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioNoFM radio
USBUSB Type-C 2.0, OTGUSB Type-C 2.0
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Charging30W wired, 67% in 30 min15W wired
Type4000 mAh, non-removableLi-Po 3500 mAh, non-removable
Misc
ColorsPearl White, Pearl Blue, Pearl GreenSeawater Blue, Midnight Blue, Cocktail Orange
ModelsRMX1992, RMX1993, RMX1991SM-M405F, SM-M405FN, SM-M405G
PriceAbout 480 EURAbout 200 EUR
SAR-0.20 W/kg (head)
SAR EU-0.27 W/kg (head)     1.17 W/kg (body)
Tests
Audio quality Noise -92.6dB / Crosstalk -88.1dB-
Battery life Endurance rating 105h -
Camera Photo / Video-
Display Contrast ratio: Infinite (nominal)-
Loudspeaker -28.0 LUFS (Good) -
Performance AnTuTu: 215578 (v7), 257443 (v8) GeekBench: 6926 (v4.4), 1750 (v5.1) GFXBench: 13fps (ES 3.1 onscreen)-
OUR TESTS
Audio qualityNoise -92.6dB / Crosstalk -88.1dB-
Battery (old)Endurance rating 105h-
CameraPhoto / Video-
Display432 nits max brightness (measured)-
Loudspeaker-28.0 LUFS (Good)-
PerformanceAnTuTu: 215578 (v7), 257443 (v8) GeekBench: 6926 (v4.4), 1750 (v5.1) GFXBench: 13fps (ES 3.1 onscreen)-