Product
Motorola Moto Z4
Motorola Moto Z4
Samsung Galaxy S8
Samsung Galaxy S8
Battery
Charging 15W wired 15W wired, QC2 Wireless (Qi) (market dependent)
Music play - Up to 67 h
Talk time - Up to 20 h (3G)
Type Li-Ion 3600 mAh, non-removable Li-Ion 3000 mAh, non-removable (11.55 Wh)
Body
Build Glass front (Gorilla Glass 3), glass back, aluminum frame Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions 158 x 75 x 7.4 mm (6.22 x 2.95 x 0.29 in) 148.9 x 68.1 x 8 mm (5.86 x 2.68 x 0.31 in)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 165 g (5.82 oz) 155 g (5.47 oz)
  Splash and dust resistant IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Comms
Bluetooth 5.0, A2DP, LE, EDR 5.0, A2DP, LE, aptX
NFC Yes Yes
Positioning GPS, GLONASS, GALILEO GPS, GLONASS, BDS, GALILEO
Radio FM radio No
USB USB Type-C 3.1, OTG, magnetic connector USB Type-C 3.1
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 Corning Gorilla Glass 5
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) 1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density)
Size 6.4 inches, 100.5 cm2 (~84.8% screen-to-body ratio) 5.8 inches, 84.8 cm2 (~83.6% screen-to-body ratio)
Type OLED Super AMOLED, HDR10
  - 3D Touch (home button only)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Iris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
  Moto Mods snap-on accessories Samsung DeX (desktop experience support) ANT+ Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified)
Launch
Announced 2019, May. Released 2019, June 2017, March 29. Released 2017, April 24
Status Discontinued Discontinued
Main Camera
Features Dual-LED dual-tone flash, panorama, HDR LED flash, auto-HDR, panorama
Single 48 MP, f/1.7, (wide), 1/2.0", 0.8µm, PDAF, OIS 12 MP, f/1.7, 26mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
Video 4K@30fps, 1080p@30/60fps 4K@30fps, 1080p@30/60fps, 720p@240fps, HDR, stereo sound rec., gyro-EIS, OIS
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot) - dual SIM model only
Internal 128GB 4GB RAM 64GB 4GB RAM
  UFS 2.1 UFS 2.0 or UFS 2.1
Misc
Colors Flash Grey, Frost White Midnight Black, Orchid Gray, Arctic Silver, Coral Blue, Maple Gold, Rose Pink, Burgundy Red
Models - SM-G950FD, SM-G950W, SM-G950S, SM-G950K, SM-G950L, SM-G9500, SM-G950A, SM-G950P, SM-G950T, SM-G950U, SM-G950V, SM-G950F, SM-G950U1, SM-G950N, SC-02J, SCV36, SM-G950, G950F
SAR 1.16 W/kg (head)     1.44 W/kg (body)     0.44 W/kg (head)     0.75 W/kg (body)    
SAR EU - 0.32 W/kg (head)     1.27 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 38, 40, 41, 66, 71 - USA 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66, 38, 39, 40, 41
Speed HSPA, LTE HSPA 42.2/5.76 Mbps, LTE (5CA) Cat16 1024/150 Mbps
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE
  CDMA 800 / 1900 -
Our Tests
Audio quality - Noise -92.5dB / Crosstalk -92.8dB
Battery (old) Endurance rating 70h Endurance rating 84h
Camera - Photo / Video
Display - Contrast ratio: Infinite (nominal), 4.768 (sunlight)
Loudspeaker Voice 70dB / Noise 73dB / Ring 80dB Voice 66dB / Noise 70dB / Ring 72dB
Performance AnTuTu: 173234 (v7) GeekBench: 6515 (v4.4) GFXBench: 8fps (ES 3.1 onscreen) AnTuTu: 199022 (v7) GeekBench: 6656 (v4.4) GFXBench: 13fps (ES 3.1 onscreen)
Platform
Chipset Qualcomm SDM675 Snapdragon 675 (11 nm) Exynos 8895 (10 nm) - EMEAQualcomm MSM8998 Snapdragon 835 (10 nm) - USA & China
CPU Octa-core (2x2.0 GHz Kryo 460 Gold & 6x1.7 GHz Kryo 460 Silver) Octa-core (4x2.3 GHz Mongoose M2 & 4x1.7 GHz Cortex-A53) - EMEAOcta-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) - USA & China
GPU Adreno 612 Mali-G71 MP20 - EMEAAdreno 540 - USA & China
OS Android 9.0 (Pie), upgradable to Android 10 Android 7.0 (Nougat), upgradable to Android 9.0 (Pie), One UI
Selfie camera
Dual - 8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22µm, AF 2 MP (dedicated iris scanner camera)
Features HDR HDR
Single 25 MP, f/2.0, 0.9µm -
Video 1080p@30fps 1440p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes
  - 32-bit/384kHz audio