Compare / T-Mobile T Phone 3 vs Samsung SGH-T999L Galaxy S III

T-Mobile T Phone 3 vs Samsung SGH-T999L Galaxy S III

A side-by-side comparison of the T-Mobile T Phone 3 and the Samsung SGH-T999L Galaxy S III, covering display, chipset, memory, camera, battery and build.

Overview

Display
T-Mobile T Phone 3
6.58inch
IPS LCD · 120 Hz
1080 × 2408 · 401 PPI
Samsung SGH-T999L Galaxy S III
4.8inch
AM-OLED
720 × 1280 · 306 PPI
Chip
T-Mobile T Phone 3
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
Adreno 710 · Android 15
Samsung SGH-T999L Galaxy S III
Qualcomm Snapdragon S4 MSM8960 28 nm
1.51 GHz dual-core
Qualcomm Adreno 225 · Google Android 4.1.2 (Jelly Bean)
Memory
T-Mobile T Phone 3
6GB RAM
128 GB storage
microSDXC
Samsung SGH-T999L Galaxy S III
2GB RAM
microSD
Camera
T-Mobile T Phone 3
50MP Main
2 MP Macro
13 MP selfie
Yes video
Samsung SGH-T999L Galaxy S III
8MP
1.9 MP selfie
1920x1080 pixel video
Battery
T-Mobile T Phone 3
5,000mAh
25 W wired
Samsung SGH-T999L Galaxy S III
2,100mAh
Build
T-Mobile T Phone 3
218g
166.5 × 77.1 × 9.3 mm
IP54
Samsung SGH-T999L Galaxy S III
135g
136.6 × 70.6 × 8.6 mm
Connectivity
T-Mobile T Phone 3
5GWi-Fi 5Bluetooth 5.1NFCNano-SIM + eSIMUSB Type-C 2.0
Samsung SGH-T999L Galaxy S III
4GWi-Fi 4Bluetooth 4.0Micro-SIM (3FF)USB Micro-AB USB 3.0 / 3.1 Gen 1 / 3.2 Gen 1x1

Specifications

T-Mobile T Phone 3

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands

HSDPA 850 / 900 / 2100 - International

HSDPA 850 / 1700(AWS) / 1900 / 2100 - USA

4G bands
2, 4, 5, 7, 12, 25, 26, 28, 41, 48, 66, 71 - USA
5G bands
1, 3, 7, 28, 38, 75, 78 SA/NSA
Speed
HSPA, LTE, 5G

Samsung SGH-T999L Galaxy S III

Technology
GSM / HSPA / LTE
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
UMTS 2100 / 1900 / 1700/2100 / 850 - HSUPA, HSUPA 5.8, HSDPA, HSPA+ 21.1
4G bands
LTE bands 4, 17
Dual SIM
SIM2 supports same bands as SIM1

T-Mobile T Phone 3

Announced
2025, August 14
Status
Available. Released 2025, August 14

Samsung SGH-T999L Galaxy S III

Status
Available. Released 2013 Jun

T-Mobile T Phone 3

Dimensions
166.5 x 77.1 x 9.3 mm (6.56 x 3.04 x 0.37 in)
Weight
218 g (7.69 oz)
SIM

Nano-SIM + eSIM

IP54 dust protected and water resistant (water splashes)

Samsung SGH-T999L Galaxy S III

Dimensions
136.6 × 70.6 × 8.6 mm
Weight
135 g
Build
Gorilla Glass 2
SIM
Micro-SIM (3FF)

T-Mobile T Phone 3

Type
IPS LCD, 120Hz
Size
6.58 inches, 104.3 cm2 (~81.2% screen-to-body ratio)
Resolution
1080 x 2408 pixels, 20:9 ratio (~401 ppi density)

Samsung SGH-T999L Galaxy S III

Type
AM-OLED display, Super AM-OLED, 16.8M colors
Size
4.8 inches
Resolution
720x1280 pixels (~306 PPI density), ~65.9% screen-to-body ratio
Protection
Gorilla Glass 2
Touch
Capacitive multi-touch screen

T-Mobile T Phone 3

OS
Android 15, up to 3 major OS updates
Chipset
Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)
CPU
Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
GPU
Adreno 710

Samsung SGH-T999L Galaxy S III

OS
Google Android 4.1.2 (Jelly Bean)
Chipset
Qualcomm Snapdragon S4 MSM8960 28 nm
CPU
1.51 GHz dual-core
GPU
Qualcomm Adreno 225
Dedicated Graphics Memory
0.5 MiB
Audio Controller
Wolfson WM1811

T-Mobile T Phone 3

Card slot
microSDXC
Internal
128GB 6GB RAM

Samsung SGH-T999L Galaxy S III

Card slot
microSD
Internal
2GB RAM

T-Mobile T Phone 3

Dual

50 MP, (wide), PDAF, OIS

2 MP (macro)

Features
LED flash, HDR, panorama
Video
Yes

Samsung SGH-T999L Galaxy S III

Single

8.0 MP, 1.0 x optical zoom, BSI CMOS, CD AF, Macro mode

Other features
single LED flash
Video
1920x1080 pixel

T-Mobile T Phone 3

Single
13 MP
Video
1080p@30fps

Samsung SGH-T999L Galaxy S III

Single

1.9 MP, CMOS

Video
1280x720 pixel

T-Mobile T Phone 3

Loudspeaker
Yes, with stereo speakers
3.5mm jack
Yes

Samsung SGH-T999L Galaxy S III

Loudspeaker
mono
3.5mm jack
Yes
Audio features
Voice speaker, Speakerphone, ANC

T-Mobile T Phone 3

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.1, A2DP, LE
Positioning
GPS
NFC
Yes
Radio
No
USB
USB Type-C 2.0

Samsung SGH-T999L Galaxy S III

WLAN
802.11a, 802.11b, 802.11g, 802.11n
Bluetooth
Bluetooth 4.0
Positioning
Simultaneous GPS, A-GPS, Geotagging, QuickGPS
Satellite details
GLONASS (L1OF)
NFC
No
USB
USB Micro-AB USB 3.0 / 3.1 Gen 1 / 3.2 Gen 1x1
USB features
USB charging, USB Host, USB OTG 1.3, USB PD
Wireless features
DLNA, Wi-Fi Tethering

T-Mobile T Phone 3

Sensors

Fingerprint (side-mounted); unspecified sensors

Satellite connectivity (USA only)

Samsung SGH-T999L Galaxy S III

Sensors
AccelerometerGyroCompassBarometerL sensorP sensor

T-Mobile T Phone 3

Type
5000 mAh
Charging
25W wired, PD3.0, QC3

Samsung SGH-T999L Galaxy S III

Type
2100 mAh battery Li-ion

T-Mobile T Phone 3

Colors
Icy Silver
Price
About 150 EUR

Samsung SGH-T999L Galaxy S III

Models
Samsung SGH-T999L Galaxy S III LTE
Market
North America
Countries
USA

T-Mobile T Phone 3

Energy
Class B
Battery
46:58h endurance, 1000 cycles
Free fall
Class A (350 falls)
Repairability
Class A

Samsung SGH-T999L Galaxy S III

Not listed for this device

How the T-Mobile T Phone 3 and Samsung SGH-T999L Galaxy S III differ

  • The T-Mobile T Phone 3 has a larger battery, 5000 mAh against 2100 mAh on the Samsung SGH-T999L Galaxy S III.
  • The T-Mobile T Phone 3 has the bigger screen, 6.58 inches against 4.8 inches.
  • The T-Mobile T Phone 3 offers more RAM, up to 6 GB against 2 GB.
  • The main cameras are 50 MP on the T-Mobile T Phone 3 and 8 MP on the Samsung SGH-T999L Galaxy S III.
  • The T-Mobile T Phone 3 is the newer of the two, released in August 2025.
T-Mobile T Phone 3 vs Samsung SGH-T999L Galaxy S III: specs compared | SpexHive