Samsung Galaxy M51 vs OPPO Reno6 5G vs Google Pixel 9a Specs Comparison

Availability

Officially announced
Aug 31, 2020		Mar 19, 2025
Prices (MSRP)
€360		8GB/128 - $499 | €599 8GB/256GB - $599 | €649

Design

Dimensions
6.45 x 3.00 x 0.37 inches 163.9 x 76.3 x 9.5 mm	6.17 x 2.84 x 0.30 inches 156.8 x 72.1 x 7.6 mm	6.09 x 2.88 x 0.35 inches (~0.37 inches with camera bump) 154.7 x 73.2 x 8.9mm (~9.4 mm with camera bump)
Weight
7.51 oz / 213.0 g	6.42 oz / 182.0 g	6.56 oz / 186.0 g
Materials
Back: Plastic Frame: Plastic		Back: Plastic Frame: Aluminum
Resistance
		Water, Dust; IP68
Biometrics
Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, White	Aurora, Stellar Black	Obsidian, Porcelain, Iris, Peony

Display

Size
6.7-inch, 88.27% screen-to-body	6.4-inch, 88.30% screen-to-body	6.3-inch, 79.39% screen-to-body
Type
Super AMOLED Plus	AMOLED, 90Hz, 750 nits	P-OLED, 120Hz, HDR, 2700 nits
Resolution
2340x1080px, 20:9 ratio, 385 PPI	2400x1080px, 20:9 ratio, 409 PPI	2424x1080px, 20:9 ratio, 421 PPI
Protection
Corning Gorilla Glass 3		Corning Gorilla Glass 3

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested	2561 (Excellent)
Bright Min
Untested	Untested	1.8 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 730 SM7150-AA (8 nm)	MediaTek Dimesnity 900 MT6877 (6 nm)	Google Tensor G4 (4 nm)
Processor
Octa-core 2x2.2GHz Kryo 470 6x1.8GHz Kryo 470	Octa-core 2400 MHz Cortex-A78	Octa-core 1x3.1GHz Cortex-X4 3x2.6GH​z Cortex-A720 4x1.9​2GHz Cortex-A520
GPU
Adreno 618	Mali-G68 MC4	Mali-G715 MC7
Memory
6GB (LPDDR4)/128GB	8GB (LPDDR4)/128GB	8GB (LPDDR5X)/128GB (UFS 3.1) 8GB/256GB
Storage expansion
microSDXC up to 512 GB	not expandable	not expandable
OS
Android (10)	Android (11)	Android (15)

PhoneArena Performance Test

GeekBench 6 Single
Untested	Untested	1687
GeekBench 6 Multi
Untested	Untested	4385
3D Mark High
Untested	Untested	2625
3D Mark Low
Untested	Untested	2124

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
7000 mAh	4300 mAh	5100 mAh, Li - Ion
Charging
Fast charging Reverse wired charging	SuperVOOC 3.0 Reverse wired charging	Fast charging Qi wireless charging
Charge speed
Wired: 25.0W	Wired: 18.0W	Wired: 23.0W Wireless: 7.5W

PhoneArena Battery Tests

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

8h 11min

Browsing

19h 39min

Video

10h 57min

Gaming

12h 30min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Quad camera	Triple camera	Dual camera
Main camera
64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 0.8 μm	64 MP (Autofocus) Aperture size: F1.7	48 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 25 mm Sensor size: 1/2" Pixel size: 0.8 μm
Second camera
12 MP (Ultra-wide) Aperture size: F2.2	8 MP (Ultra-wide) Aperture size: F2.2	13 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/3.1" Pixel size: 1.12 μm
Third camera
5 MP (Macro) Aperture size: F2.4	2 MP (Macro) Aperture size: F2.4
Fourth camera
5 MP (Depth information) Aperture size: F2.4
Flash
LED	LED	Dual LED
Video recording
4K UHD (30 fps), 1080p	4K UHD (30 fps), 1080p (60 fps), 720p (60 fps)	4K UHD (60 fps), 1080p (240 fps)
Front
32 MP (HDR) Video capture: 1080p (30 fps)	32 MP Video capture: 1080p (30 fps)	13 MP Video capture: 4K UHD (30 fps)

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

N/A

Overall

N/A

Photo

N/A

Video

134

Overall

143

Photo

126

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.0	5.2	5.3
WLAN
dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	Wi-Fi 6 MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	Wi-Fi 6,Wi-Fi 6E Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 2.0	Type-C, USB 2.0	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Pedometer, Altimeter, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Barometer, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning
Other
NFC		NFC

Multimedia

Headphones
3.5mm jack	No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker	Earpiece, Multiple speakers
Screen mirroring
Wireless screen share	Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

5G Bands
	n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78	n1, n2, n3, n5, n7, n8, n20, n28, n48, n66, n71, n77, n78, n260, n261, SA, NSA, Sub-6, mmWave
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 66	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66	1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 66, 71
TDD Bands
38, 40, 41	38, 39, 40, 41	38, 41
3G Bands
1, 2, 4, 5, 8	1, 2, 4, 5, 6, 8, 19	1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS	LTE-A, HSDPA+ (4G) 42.2 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM	Nano SIM, eSIM

Alternative variants

With 512GB internal storage

Memory	512GB

Discover more

Full Specs Samsung Galaxy M51 Specs

Full Specs OPPO Reno6 5G Specs

Full Specs Google Pixel 9a Specs PA Review Google Pixel 9a Review