Dell Streak 7 Wi-Fi vs Samsung Galaxy Z TriFold

Dell Streak 7 Wi-Fi

Dell Streak 7 Wi-Fi

Announced On:February, 2011

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Samsung Galaxy Z TriFold

Samsung Galaxy Z TriFold

Announced On:December, 2025

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Dell Streak 7 Wi-Fi vs Samsung Galaxy Z TriFold

Dell Streak 7 Wi-Fi	Samsung Galaxy Z TriFold

Price
EUR: €140	EUR: €2,100
USD: N/A	USD: N/A
GBP: N/A	GBP: N/A
INR: N/A	INR: N/A
PKR: N/A	PKR: N/A

Form Factor
Body
Candybar, Touchscreen, Tablet PC	Candybar, Touchscreen, Tablet PC
Dimensions
200 x 119.8 x 12.4 mm (7.87 x 4.72 x 0.49 in)	Unfolded: 159.2 x 214.1 x 3.9-4.2 mm Folded: 159.2 x 75 x 12.9 mm
Weight
453.6 g (1.00 lb)	309 g (10.90 oz)
Build
	Glass front (Gorilla Glass Victus Ceramic 2) (folded), plastic front (unfolded), ceramic-glass fiber-reinforced polymer back, aluminum frame, titanium hinge housing IP48 dust and water resistant (dust > 1mm, immersible up to 1.5m for 30 min) Advanced Armor aluminum frame
Colors
Gray	Crafted Black
Models
	SM-D639B, SM-D639B/DS, SM-D639U, SM-D639U1, SM-D639N, SM-D6390

Type
Display
TFT	Tri-foldable Dynamic LTPO AMOLED 2X, 120Hz, HDR, 1600 nits (peak) Dynamic LTPO AMOLED 2X, 120Hz, HDR, 2600 nits (peak), Corning Gorilla Glass Ceramic 2
Size
7.0 inches, 139.5 cm² (~58.2% screen-to-body ratio)	10.0 inches, 305.4 cm² (~89.6% screen-to-body ratio)
Resolution
480 x 800 pixels, 5:3 ratio (~133 ppi density)	1584 x 2160 pixels, 4:3 ratio (~269 ppi density)
Multitouch
Yes
Protection
Corning Gorilla Glass
Secondary
	6.5 inches, 1080 x 2520 pixels, 422 ppi
Brightness
	Dynamic LTPO AMOLED 2X, 120Hz, HDR, 2600 nits (peak), Corning Gorilla Glass Ceramic 2 6.5 inches, 1080 x 2520 pixels, 422 ppi

Technology
Network
No cellular connectivity	GSM / CDMA / HSPA / EVDO / LTE / 5G
2G Bands
	GSM 850 / 900 / 1800 / 1900
3G Bands
	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Bands
	LTE
5G Bands
	SA/NSA/Sub6

Alert Types
Notifications
Vibration, MP3, WAV ringtones

Internal Memory
Memory
16GB	512GB ROM, 16GB RAM 1TB ROM, 16GB RAM
Storage Type
	UFS
Card Slot
microSDHC (dedicated slot)	No

GPRS
Connectivity
No
EDGE
No
Speed
	HSPA, LTE, 5G
WLAN
Wi-Fi 802.11 b/g/n, hotspot	Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct
Bluetooth
2.1, A2DP, EDR	5.4, A2DP, LE, aptX HD
USB
2.0	USB Type-C
GPS
Yes
NFC
	Yes

Main Camera
Camera
5 MP, AF	Primary: 200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS Secondary: 10 MP, f/2.4, 67mm (telephoto), 1/3.94", 1.0µm, PDAF, OIS, 3x optical zoom Third: 12 MP, f/2.2, 13mm, 120" (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF
Camera Features
LED flash	LED flash, HDR, panorama
Video
720p	8K@30fps, 4K@60fps, 1080p@60/120/240fps (gyro-EIS), 10-bit HDR, HDR10+
Selfie Camera
1.3 MP	10 MP, f/2.2, 18mm (ultrawide), 1/3.0", 1.12µm Cover camera: 10 MP, f/2.2, 24mm (wide), 1/3.0", 1.12µm Features: HDR Video: 4K@30/60fps, 1080p@30/60fps, gyro-EIS

Audio Format Support
Multimedia
MP3/WAV/eAAC+/WMA
Video Format Support
MP4/H.264/WMV
Radio
No	No

Operating System (OS)
Software
Android OS, v2.2 (Froyo)	Android OS, v16
Upgradable
upgradable to v2.3 (Gingerbread)
UI
	One UI 8
Java
Yes, via Java MIDP emulator
Browser
HTML, Adobe Flash
Messaging
Email, IM

Chipset
Hardware
Nvidia Tegra 2 T20	Qualcomm SM8750-AC Snapdragon 8 Elite (3 nm)
CPU
Dual-core 1.0 GHz Cortex-A9	Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
ULP GeForce	Adreno 830 (1200 MHz)
Sensors
Accelerometer, proximity, compass	Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer
SIM
No	· Nano-SIM + Nano-SIM + + eSIM (max 2 at a time) · Nano-SIM + Nano-SIM + multiple eSIM (max 2 at a time) · Nano-SIM + Nano-SIM
Speakers
Yes	Yes, with stereo speakers
Audio Jack
3.5 mm	No

Battery Type
Battery
Non-removable Li-Ion 2780 mAh battery	5600 mAh
Standby
Up to 72 h
Charging
	45W wired, QC2.0, 50% in 30 min 15W wireless 4.5W reverse wireless
Talk Time
Up to 4 h

Features
Additional Features
QuickOffice document viewer Photo viewer/editor Predictive text input	Samsung DeX wireless (desktop experience support)

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