Screen size
Galaxy A405.9"
Galaxy Tab S12+Winner: 12.6"+53%
Quick verdict
Galaxy Tab S12+ leads the measured specs 16-6.
Measured wins
Galaxy A40
6
spec wins
Ties
1
equal specs
Galaxy Tab S12+
16
spec wins
Overall winner
Screen size
Technology
Galaxy A40
GSM / HSPA / LTE
Galaxy Tab S12+
GSM / HSPA / LTE / 5G
2G bands
Galaxy A40
GSM 850 / 900 / 1800 / 1900
Galaxy Tab S12+
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A40
HSDPA 850 / 900 / 1900 / 2100
Galaxy Tab S12+
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy A40
1, 3, 5, 7, 8, 20, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
NFC
3.5mm jack
SD card
equal specsStereo speakers
Galaxy Tab S12+
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66
Speed
Galaxy A40
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat12 600/150 Mbps
Galaxy Tab S12+
HSPA, LTE, 5G - cellular model only
5G bands
Galaxy A40
-
Galaxy Tab S12+
1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 71, 75, 77, 78 SA/NSA/Sub6
Announced
Galaxy A40
2019, March 19. Released 2019, April
Galaxy Tab S12+
2026, September 30
Status
Galaxy A40
Discontinued
Galaxy Tab S12+
Available. Released 2026, October 07
Dimensions
Galaxy A40
144.4 x 69.2 x 7.9 mm (5.69 x 2.72 x 0.31 in)
Galaxy Tab S12+
289.5 x 187.8 x 5.3 mm (11.40 x 7.39 x 0.21 in)
Weight
Galaxy A40
140 g (4.94 oz)
Galaxy Tab S12+
553 g or 555 g (1.22 lb)
Build
Galaxy A40
Glass front (Gorilla Glass 3), plastic back, plastic frame
Galaxy Tab S12+
Glass front, aluminum frame, aluminum back
SIM
Galaxy A40
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy Tab S12+
Nano-SIM + eSIM (cellular model only)
Other
Galaxy A40
-
Galaxy Tab S12+
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus support Enhanced Armor Aluminum
Type
Galaxy A40
Super AMOLED
Galaxy Tab S12+
Dynamic AMOLED 2X, 120Hz, HDR10+, 1000 nits (HBM), 1600 nits (peak)
Size
Galaxy A40
5.9 inches, 85.5 cm2 (~85.5% screen-to-body ratio)
Galaxy Tab S12+
12.6 inches, 460.6 cm2 (~84.7% screen-to-body ratio)
Resolution
Galaxy A40
1080 x 2340 pixels, 19.5:9 ratio (~437 ppi density)
Galaxy Tab S12+
1752 x 2800 pixels, 16:10 ratio (~262 ppi density)
Protection
Galaxy A40
Corning Gorilla Glass 3
Galaxy Tab S12+
-
OS
Galaxy A40
Android 9.0 (Pie), upgradable to Android 11
Galaxy Tab S12+
Android 17, up to 7 major OS updates, One UI 9
Chipset
Galaxy A40
Exynos 7904 (14 nm)
Galaxy Tab S12+
MediaTek Dimensity 9500 (3 nm)
CPU
Galaxy A40
Octa-core (2x1.77 GHz Cortex-A73 & 6x1.59 GHz Cortex-A53)
Galaxy Tab S12+
Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)
GPU
Galaxy A40
Mali-G71 MP2
Galaxy Tab S12+
Mali-G1 Ultra MC12
Card slot
Galaxy A40
microSDXC (dedicated slot)
Galaxy Tab S12+
microSDXC (dedicated slot)
Internal
Galaxy A40
64GB 4GB RAM, 128GB 4GB RAM
Galaxy Tab S12+
256GB 12GB RAM, 512GB 12GB RAM
Other
Galaxy A40
eMMC 5.1
Galaxy Tab S12+
UFS
Dual
Galaxy A40
16 MP, f/1.7, 26mm (wide), PDAF 5 MP, f/2.2, 13mm (ultrawide)
Galaxy Tab S12+
-
Features
Galaxy A40
LED flash, panorama, HDR
Galaxy Tab S12+
LED flash, HDR, panorama
Video
Galaxy A40
1080p@30fps
Galaxy Tab S12+
4K@30fps, 1080p@30fps
Single
Galaxy A40
-
Galaxy Tab S12+
13 MP, f/2.0, 26mm (wide), 1/3.4", 1.0µm, AF
Single
Galaxy A40
25 MP, f/2.0, 25mm (wide), 1/2.8", 0.9µm
Galaxy Tab S12+
12 MP, f/2.4, 120˚ (ultrawide)
Video
Galaxy A40
1080p@30fps
Galaxy Tab S12+
4K@30fps, 1080p@30fps
Features
Galaxy A40
-
Galaxy Tab S12+
HDR
Loudspeaker
Galaxy A40
Yes
Galaxy Tab S12+
Yes, with stereo speakers (4 speakers)
3.5mm jack
Galaxy A40
Yes
Galaxy Tab S12+
No
WLAN
Galaxy A40
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy Tab S12+
Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Bluetooth
Galaxy A40
5.0, A2DP, LE
Galaxy Tab S12+
6.0, A2DP, LE
Positioning
Galaxy A40
GPS, GLONASS, GALILEO, BDS
Galaxy Tab S12+
GPS, GLONASS, BDS, GALILEO
NFC
Galaxy A40
Yes
Galaxy Tab S12+
No
Radio
Galaxy A40
FM radio
Galaxy Tab S12+
No
USB
Galaxy A40
USB Type-C 2.0
Galaxy Tab S12+
USB Type-C 3.2, magnetic connector
Sensors
Galaxy A40
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Galaxy Tab S12+
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Other
Galaxy A40
ANT+
Galaxy Tab S12+
Wireless Samsung DeX (desktop experience support)
Type
Galaxy A40
Li-Po 3100 mAh, non-removable
Galaxy Tab S12+
Li-Po 10600 mAh
Charging
Galaxy A40
15W wired
Galaxy Tab S12+
45W wired, 100% in 95 min
Colors
Galaxy A40
Black, White, Blue, Coral
Galaxy Tab S12+
Gray, Silver
Models
Galaxy A40
SM-A405F, SM-A405FN, SM-A405FM, SM-A405S
Galaxy Tab S12+
SM-X840, SM-X846
SAR EU
Galaxy A40
0.49 W/kg (head) 1.34 W/kg (body)
Galaxy Tab S12+
0.77 W/kg (body)
Price
Galaxy A40
About 260 EUR
Galaxy Tab S12+
About 1330 EUR