Samsung Galaxy S21 leads
by 4 points on overall. The category breakdown below shows where the gap comes from.


Galaxy S21 leads overall versus Galaxy A27. Build: 59.3 vs 84.
Scoring profile: balanced
Samsung Galaxy A27
Best for users who prioritize camera and battery.
Samsung Galaxy S21
Best for users who prioritize performance and display.
This is MyTechAdvisor's own independently compiled analysis, not the manufacturer's — it's provided for informational purposes only and isn't guaranteed to be complete or error-free. See our editorial policy.
Spec table
Start with the key differences, then expand a section to check the full specifications.
Visible rows
66
Meaningful differences
32
Layout
Full side-by-side mode
Display Size
Key differenceResolution
Key differencePeak Brightness
Key differencePixel Density
Key differenceHDR Support
Key differenceDisplay Protection
Key differenceRefresh Rate
Panel Type
| Specification | Samsung Galaxy A27 | Samsung Galaxy S21 |
|---|---|---|
Display Size Samsung Galaxy A27 leads | 6.7"Better | 6.2" |
Resolution Samsung Galaxy S21 leads | 1080 x 2340 | 1080 x 2400Better |
Refresh Rate Close match | 120Hz | 120Hz |
Peak Brightness Samsung Galaxy S21 leads | 800 nits | 1300 nitsBetter |
Pixel Density Samsung Galaxy S21 leads | 385 ppi | 424 ppiBetter |
Panel Type Close match | OLED | OLED |
HDR Support Samsung Galaxy S21 leads | No | YesBetter |
Display Protection Samsung Galaxy A27 leads | Corning Gorilla Glass Victus+Better | Corning Gorilla Glass Victus |
Geekbench (Single)
Key differenceGeekbench (Multi)
Key differenceChipset
Key differenceRAM
RAM Type
CPU Clock
CPU Cores
CPU Cluster Speeds
AnTuTu Score
Storage
Storage Type
GPU
| Specification | Samsung Galaxy A27 | Samsung Galaxy S21 |
|---|---|---|
RAM Close match | 8GB | 8GB |
RAM Type Different | LPDDR4X | LPDDR5 |
CPU Clock Different | 2.4GHz | 2.9GHz |
CPU Cores Close match | 8 | 8 |
CPU Cluster Speeds Different | 4x2.4GHz + 4x1.8GHz | 1x2.9GHz + 3x2.80GHz + 4x2.2GHz |
AnTuTu Score Different | 885852 | 584055 |
Geekbench (Single) Samsung Galaxy S21 leads | 1000 | 1100Better |
Geekbench (Multi) Samsung Galaxy S21 leads | 2973 | 3400Better |
Storage Close match | 256GB | 256GB |
Storage Type Close match | UFS 3.1 | UFS 3.1 |
Chipset Samsung Galaxy S21 leads | Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm) | Exynos 2100 (5 nm) - International; Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/ChinaBetter |
GPU Different | Adreno 710 | Mali-G78 MP14 - International; Adreno 660 - USA/China |
Rear Camera
Key differenceRear Camera (All Lenses)
Key differenceRear Sensor Size
Key differenceOptical Zoom
Key differenceMax Video Resolution
Key differenceFront Camera
Key differenceFront Video Resolution
Key differenceRear Aperture
Digital Zoom
Optical Image Stabilization
Front Sensor
Front Aperture
Camera Features
| Specification | Samsung Galaxy A27 | Samsung Galaxy S21 |
|---|---|---|
Rear Camera Samsung Galaxy A27 leads | 50MPBetter | 12MP |
Rear Camera (All Lenses) Samsung Galaxy S21 leads | 50MP + 5MP + 2MP | 64MP + 12MP + 12MPBetter |
Rear Sensor Size Samsung Galaxy S21 leads | 1/2.76 | 1/1.76Better |
Rear Aperture Close match | f/1.8 | f/1.8 |
Optical Zoom Samsung Galaxy S21 leads | None (no telephoto) | 1.1xBetter |
Digital Zoom Different | 10x | 30x |
Optical Image Stabilization Close match | Yes | Yes |
Max Video Resolution Samsung Galaxy S21 leads | 4K@30fps, 1080p@30fps, 720p@480fps, gyro-EIS | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EISBetter |
Front Camera Samsung Galaxy A27 leads | 12MPBetter | 10MP |
Front Sensor Different | 12MP 1/3.2" front camera | 10MP 1/3.24" front camera |
Front Aperture Close match | f/2.2 | f/2.2 |
Front Video Resolution Samsung Galaxy S21 leads | 1080p@30fps | 4K@30/60fps, 1080p@30fpsBetter |
Camera Features Different | LED flash, panorama, HDR | LED flash, auto-HDR, panorama |
Generating honest comparison...
Galaxy S21 generally outperforms Galaxy A27 across key categories. Chipset: Exynos 2100 (5 nm) - International; Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China vs Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm) This makes Galaxy S21 the better choice for most users, though Galaxy A27 may excel in specific areas.
Best for photographers and content creators. Galaxy A27 offers superior camera capabilities with strong battery.
Best for users who prioritize performance and display. Galaxy S21 excels in processing power and multitasking.
Non-PTA
PTA
| Price | Samsung Galaxy A27 | Samsung Galaxy S21 |
|---|---|---|
| Non-PTA | ≈ Rs 68,600 | ≈ Rs 45,920 |
| PTA | Rs 85,999 | -- |
≈ Converted from a fetched price. Store offers, when available, are listed separately.
Choosing between Samsung Galaxy A27 and Samsung Galaxy S21 can be tough. This comparison breaks down performance, camera, battery, and listed pricing so you can decide faster.
We focus on practical differences that impact daily use, not just spec sheet noise.
Samsung Galaxy S21 scores higher overall once each category is weighted, making it the safer all‑round pick.
Samsung Galaxy S21 is the better choice overall, winning in 3 key categories.
The top differences are: Display Size (Samsung Galaxy A27 advantage), Resolution (Samsung Galaxy S21 advantage), Peak Brightness (Samsung Galaxy S21 advantage), Pixel Density (Samsung Galaxy S21 advantage), HDR Support (Samsung Galaxy S21 advantage).
Samsung Galaxy A27 has the stronger camera setup for photos and video.
Samsung Galaxy A27 offers better battery endurance for heavy use.
Samsung Galaxy A27: non-PTA approximately Rs 68,600; PTA Rs 85,999. Samsung Galaxy S21: non-PTA approximately Rs 45,920; PTA not entered. These are phone reference prices, not optional store offers.
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