Samsung Galaxy M21 2021 vs Galaxy A34: A Detailed Comparison

Choosing a new Samsung phone can be overwhelming. The Galaxy M21 2021 offered great value at its release, while the A34 brings more modern features. This comparison will help you decide which phone best suits your budget and needs.
Phones Images

🏆 Quick Verdict

The Samsung Galaxy A34 is the clear winner. While the M21 2021 remains a decent budget option, the A34’s superior display, faster processor, improved camera, and faster charging make it a worthwhile upgrade, despite the higher price.

PHONES
Phone Names Samsung Galaxy M21 2021 Samsung Galaxy A34
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 5, 7, 8, 20, 38, 40, 411, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 38, 40, 41, 66
5G bands-1, 3, 7, 8, 20, 28, 38, 40, 41, 77, 78 SA/NSA/Sub6
SpeedHSPA, LTEHSPA, LTE, 5G
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE / 5G
Launch
Announced2021, July 212023, March 14
StatusAvailable. Released 2021, July 26Available. Released 2023, March 24
Body
BuildGlass front, plastic back, plastic frameGlass front (Gorilla Glass 5), plastic frame, plastic back
Dimensions159 x 75.1 x 9 mm (6.26 x 2.96 x 0.35 in)161.3 x 78.1 x 8.2 mm (6.35 x 3.07 x 0.32 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight192 g (6.77 oz)199 g (7.02 oz)
 -IP67 dust/water resistant (up to 1m for 30 min)
Display
Protection-Corning Gorilla Glass 5
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)1080 x 2340 pixels, 19.5:9 ratio (~390 ppi density)
Size6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)6.6 inches, 106.9 cm2 (~84.9% screen-to-body ratio)
TypeSuper AMOLED, 420 nits (peak)Super AMOLED, 120Hz, 1000 nits (HBM)
Platform
CPUOcta-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)Octa-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
ChipsetExynos 9611 (10 nm)Mediatek Dimensity 1080 (6 nm)
GPUMali-G72 MP3Mali-G68 MC4
OSAndroid 11, One UI 3.1 CoreAndroid 13, up to 4 major Android upgrades, One UI 6.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal64GB 4GB RAM, 128GB 6GB RAM128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
Main Camera
FeaturesLED flash, panorama, HDRLED flash, panorama, HDR
Triple48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm Auxiliary lens48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP (macro)
Video4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS4K@30fps, 1080p@30/60fps, 720p@480fps
Selfie camera
FeaturesHDR-
Single20 MP, f/2.2, 26mm (wide)13 MP, f/2.2, 26mm (wide), 1/3.1", 1.12µm
Video1080p@30fps4K@30fps, 1080p@30fps
Sound
3.5mm jack YesNo
35mm jackYesNo
Loudspeaker YesYes, with stereo speakers
Comms
Bluetooth5.0, A2DP, LE5.3, A2DP, LE
NFCYes (market/region dependent)Yes (market/region dependent)
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radio, RDS, recordingNo
USBUSB Type-C 2.0USB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass
 -Virtual proximity sensing
Battery
Charging15W wired25W wired
TypeLi-Po 6000 mAhLi-Ion 5000 mAh
Misc
ColorsCharcoal Black, Arctic BlueLime, Graphite, Violet, Silver
ModelsSM-M215G, SM-M215G/DSSM-A346E, SM-A346B, SM-A346B/DS, SM-A346B/DSN, SM-A346E/DS, SM-A346E/DSN, SM-A346M, SM-A346M/N, SM-A346M/DSN, SM-A3460
PriceAbout 130 EUR€ 169.99 / $ 175.00 / £ 164.99 / ₹ 23,999
SAR0.47 W/kg (head)-
SAR EU-0.55 W/kg (head)     1.49 W/kg (body)
Tests
Battery life- Endurance rating 133h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -26.1 LUFS (Good)
Performance- AnTuTu: 472126 (v9) GeekBench: 2316 (v5.5), 2518 (v6) GFXBench: 23fps (ES 3.1 onscreen)

Samsung Galaxy M21 2021

  • Large display
  • Long battery life
  • Affordable price

  • Older chipset
  • Slower charging
  • Less vibrant display
  • Potentially outdated software

Samsung Galaxy A34

  • Brighter and more vibrant display
  • Faster processor
  • Improved camera
  • Faster charging
  • Modern design

  • Higher price
  • Potentially larger size

Display Comparison

The Galaxy A34 boasts a significantly brighter display (1009 nits vs. likely around 400-500 nits on the M21 2021) with a potentially infinite contrast ratio, offering richer colors and better visibility in sunlight. The M21 2021's display is adequate but lacks the vibrancy and brightness of the A34. Both feature Super AMOLED technology.

Camera Comparison

While both phones offer capable cameras, the A34 is expected to have a more advanced camera system with improved image processing and potentially better low-light performance. Specific camera specs are missing for the M21 2021, but the A34's newer hardware and software should provide a noticeable advantage.

Performance

The A34's Dimensity 1080 chipset is a substantial upgrade over the M21 2021's Exynos 9611. Expect smoother multitasking, faster app loading times, and better gaming performance on the A34. The A34's 6nm process also contributes to better power efficiency.

Battery Life

Both phones offer excellent battery life, with an endurance rating of 133h. However, the A34 benefits from 25W fast charging compared to the M21 2021's 15W, allowing for quicker top-ups.

Buying Guide

Who should buy the Samsung Galaxy M21 2021? Those on a very tight budget who prioritize a large screen and long battery life. Who should buy the Samsung Galaxy A34? Anyone looking for a modern Samsung experience with a vibrant display, good performance, and a capable camera, willing to spend a bit more.

Frequently Asked Questions

❓ Is the Galaxy A34 worth the extra money compared to the M21 2021?
Yes, the A34 offers significant improvements in display quality, performance, and camera capabilities, making it a worthwhile upgrade if your budget allows.
❓ How does the battery life of the A34 compare to the M21 2021?
Both phones offer excellent battery life, with a similar endurance rating. The A34 charges faster, however.