OnePlus 8 Pro vs Samsung i640: specs comparison

Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

Weight

i640: 51 g lighter

8 Pro:

199 g

i640:

148 g
Width

i640: 13.4 mm narrower

8 Pro:

74.4 mm

i640:

61 mm
Screen diagonal

i640: 4.38 in smaller diagonal

8 Pro:

6.78 in

i640:

2.4 in
Rear camera layout

8 Pro:

Quad

i640:

Single
Depth

8 Pro: 8.4 mm thinner

8 Pro:

8.5 mm

i640:

16.9 mm
Height

i640: 70.9 mm shorter

8 Pro:

165.3 mm

i640:

94.4 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

1. 8 Pro

Height:

165.3 mm +70.9 mm versus i640
Width:

74.4 mm +13.4 mm versus i640
Depth:

8.5 mm
2. i640

Height:

94.4 mm
Width:

61 mm
Depth:

16.9 mm +8.4 mm versus 8 Pro

Weight

Bars start at zero and share a scale within this chart.

1. 8 Pro

199 g

+51 g versus i640
2. i640

148 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

At least two phones need compatible screen dimensions for a drawing.

1. 8 Pro

8 Pro: Screen geometry unavailable or conflicting.
2. i640

Screen diagonal:

2.4 in

Aspect ratio (height:width):

4:3

Approximate rectangular screen area:

17.8 cm²

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for 8 Pro, i640, compared at the same storage capacity.
Storage	8 Pro	i640
128 GB	8 GB RAM	Unknown
256 GB	12 GB RAM	Unknown

i640: Original memory entry

64 MB RAM · 128 MB ROM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. 8 Pro

NFC:: Yes
Headphone jack:: No
Memory card support:: No

2. i640

NFC:: Unknown
Headphone jack:: No
Memory card support:: See details microSD (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

1. 8 Pro

4510 mAh

+3510 mAh versus i640
2. i640

1000 mAh

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. 8 Pro2. i640

Everyday essentials

Everyday essentials — specifications for 8 Pro, i640.
Specification	8 Pro	i640
Dimensions (HxWxD)	165.3 Х 74.4 Х 8.5 mm	94.4 Х 61 Х 16.9 mm
Weight	199 g	148 g
Technology	Fluid AMOLED	TFT
Screen size	6.78" inch	2.4" inch
Screen resolution	1440 x 3168 px	320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	128GB 8GB RAM 256GB 12GB RAM	64 MB RAM 128 MB ROM
Memory card support	No	microSD (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	4510 mAh Non-removable Li-Po	1000 mAh Removable Li-Ion
Operating system OS	Android 10.0; OxygenOS 10.0	Microsoft Windows Mobile 6.0 Standard
Chipset	Qualcomm SM8250 Snapdragon 865 (7 nm+)	Unknown
NFC	Yes	Unknown
Headphone jack	No	No

Display

Display — specifications for 8 Pro, i640.
Specification	8 Pro	i640
Touchscreen	capacitive touchscreen	Unknown
Display colors	1B	65K
Screen area	111.7 cm2	17.8 cm2
Screen format	Unknown	4:3 (height:width)
Screen to body ratio	90.8%	31.0%
PPI /points per inch/	0 PPI	167 PPI
Screen protection	Corning Gorilla Glass	Unknown

Camera and Video

Camera and Video — specifications for 8 Pro, i640.
Specification	8 Pro	i640
Rear camera, main	48 MP Quad	2 MP Single
Camera specs	48 MP f/1.8 25mm (wide) 1/1.43'' 1.12µm omnidirectional PDAF laser AF OIS -8 MP f/2.4 (telephoto) 1/1.0µm PDAF OIS 3x optical zoom -48 MP f/2.2 13mm (ultrawide) 1/2.0'' 0.8µm PDAF -5 MP (depth)	2 MP
Functions	Auto-HDR	Unknown
Video	1080p@30fps gyro-EIS	Yes
Front camera, selfie	16 MP Single	0.3 MP Single
Specifications	16 MP f/2.5 (wide) 1/3'' 1.0µm	VGA videocall camera

Performance

Performance — specifications for 8 Pro, i640.
Specification	8 Pro	i640
Processor CPU	Octa-core (1x2.84 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.8 GHz Kryo 585)	32-bit Intel XScale PXA270 416 MHz
Graphics processor GPU	Adreno 650	Unknown

General specs

General specs — specifications for 8 Pro, i640.
Specification	8 Pro	i640
Release date	2020 April 14	2008 February
Colors	Glacial Green Ultramarine Blue Onyx Black	Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	900 EUR	150 EUR
Battery life	Unknown	Stand by time- Up to 250 h Talking time- Up to 6 h
Body build	Glass front (Gorilla Glass) glass back (Gorilla Glass) aluminum frame	Unknown

Communication and Connectivity

Communication and Connectivity — specifications for 8 Pro, i640.
Specification	8 Pro	i640
SIM card	Dual SIM (Nano-SIM dual stand-by)	Mini-SIM
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 13(700) 17(700) 18(800) 19(800) 20(800) 25(1900) 26(850) 28(700) 32(1500) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500) 42(3500) 46(5200) 66(1700/2100) - EU -5G - 5G band 1(2100) 78(3500); SA/NSA - EU 5G band 2(1900) 66(1700) 71(600); SA/NSA - NA 5G band 78(3500); SA/NSA - IN 5G band 41(2500) 78(3500) 79(4700); SA/NSA - CN	Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed	HSPA 42.2/5.76 Mbps LTE-A (5CA) Cat18 1200/150 Mbps 5G 7.5 Gbps DL	HSPA 3.6/0.384 Mbps
GPRS	Yes	Class 10
Edge	Yes	Class 10
Wi-Fi	Wi-Fi 802.11 a/b/g/n/ac/ax dual-band Wi-Fi Direct DLNA hotspot	No
GPS	Yes with dual-band A-GPS GLONASS BDS GALILEO SBAS	No
USB	3.1 Type-C 1.0 reversible connector USB On-The-Go	1.1
Bluetooth	5.1 A2DP LE aptX HD	2.0
Harmful irradiation	Unknown	SAR - 1.18 W/kg (head) 1.12 W/kg (body)

Music and Audio

Music and Audio — specifications for 8 Pro, i640.
Specification	8 Pro	i640
Radio	No	No
Others	HDR10+ -120Hz refresh rate	Jog Dial

Other features

Other features — specifications for 8 Pro, i640.
Specification	8 Pro	i640
Dop	Sensors Fingerprint (under display optical) accelerometer gyro proximity compass - Fast charging 30W 50% in 23 min (advertised) -Fast wireless charging 30W 50% in 30 min (advertised) -Reverse wireless charging 3W - IP68 dust/water resistant	WMV/3GP/MP4 player -WMA/MP3/AAC+ player -Organizer -Pocket Office -Voice memo

OnePlus 8 Pro vs Samsung i640

OnePlus 8 Pro

Samsung i640