Micromax Bolt A66 vs Samsung Galaxy S25 Slim
Quick Comparison
Samsung Galaxy S25 Slim has better RAM than Micromax Bolt A66. In terms of display resolution, Samsung Galaxy S25 Slim has better resolution of 3200 x 1800 than Micromax Bolt A66 which has resolution of 854 x 480. Samsung Galaxy S25 Slim has more internal memory than Micromax Bolt A66
| Name | Micromax Bolt A66 | Samsung Galaxy S25 Slim |
| RAM | 512 MB | 8 GB |
|---|---|---|
| Display | 4.5 in | 6.3 in |
| Internal Memory | 165 MB | 256 GB |
| Battery | 1500 mAh | 4500 mAh |
| Camera | 2 MP | 200 MP + 12 MP + 12 MP Triple |
| Price | Rs. 2599 (Out of Stock) | Rs. 49990 (Upcoming) |
Related Products
Detailed Comparison
Price And Launch
The launch Date of the first phone is January, 2014. The cost of Micromax Bolt A66 is Rs. 2599. The launch Date of the second phone is expected to be August 17, 2025 (Expected). The Expected cost of Samsung Galaxy S25 Slim is Rs. 49990.
Display comparison
Samsung Galaxy S25 Slim has larger screen size of 6.3 inches in comparison to Micromax Bolt A66's 4.5 inch screen. Micromax Bolt A66 has TFT Screen type where as Samsung Galaxy S25 Slim has Screen type. Samsung's phone has display density of 583 PPI & Micromax's phone has only 218 PPI display density. Micromax Bolt A66 has 16:9 aspect ratio where as Samsung Galaxy S25 Slim has 20.5:9 aspect ratio.
Memory comparison
Samsung Galaxy S25 Slim's larger 8 GB RAM is better for playing games and all with respect to Micromax Bolt A66's lower 512 MB RAM. Samsung Galaxy S25 Slim has more Internal Memory (256 GB) than Micromax Bolt A66 (165 MB).
Camera comparison
Samsung Galaxy S25 Slim's 200 MP + 12 MP + 12 MP Triple Rear Camera outshines Micromax Bolt A66's 2 MP Rear Camera in terms of resolution. Samsung Galaxy S25 Slim will be better choice if you're looking to click lot of selfies as it has better 12 MP Front Camera in comparison to Micromax Bolt A66's 0.3 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 4.1.2 and the second one on 14 version.
Related Comparisons
Full Comparison
| Name | Micromax Bolt A66 | Samsung Galaxy S25 Slim |
| General | ||
| Model | SM-S937 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | |
| Device Type | Smartphone | Smartphone |
| Release Date | January, 2014 | August 17, 2025 (Expected) |
| Design | ||
| Bezel less | Yes | |
| Design Type | Classic (Candybar) | |
| Display | ||
| Type | Color TFT Screen (256K colors Colors) | Color Dynamic AMOLED 2X (1B Colors) |
| Touch | Yes | Yes |
| Size | 4.5 inches, 480 x 854 pixels | 6.3 inches, 1800 x 3200 pixels, 120 Hz |
| Aspect Ratio | 16:9 | 20.5:9 |
| PPI | ~ 218 PPI | ~ 583 PPI |
| Screen to Body Ratio | ~ 93.07% | |
| Features | Always-on Display, HDR10+, 2000 nits (peak) | |
| Notch | Yes, Punch Hole | |
| Memory | ||
| RAM | 512 MB | 8 GB |
| Storage | 165 MB | 256 GB |
| Storage Type | UFS 4 | |
| Card Slot | Yes, upto 32 GB | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes 7.2 Mbps Download 5.76 Mbps Upload | Yes |
| 4G | Yes | |
| 5G | Yes | |
| VoLTE | Yes, Dual Stand-By | |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v2.1 | Yes, v5.3, A2DP, LE |
| USB | Yes, microUSB | Yes, USB-C v3.2 |
| USB Features | USB Tethering | USB on-the-go, USB Charging |
| Extra | ||
| GPS | Yes, with A-GPS, Glonass, Beidou, Galileo, QZSS | |
| Fingerprint Sensor | Yes, In Display | |
| Face Unlock | Yes | |
| Sensors | Accelerometer | Accelerometer, Barometer, Gyro Sensor, Geomagnetic Sensor, Hall Sensor, Light Sensor, Proximity Sensor |
| 3.5mm Headphone Jack | Yes | No |
| NFC | Yes | |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| Dust Resistant | Yes | |
| Camera | ||
| Rear Camera | 2 MP | 200 MP ƒ/1.8 (Wide Angle) 12 MP ƒ/2.4 (Telephoto) 12 MP ƒ/2.2 (Ultra Wide) |
| OIS | Yes | |
| Auto Focus | Yes | |
| Features | Auto-HDR, panorama | |
| Video Recording | 8K @ 24 fps UHD, 4K @ 30 fps UHD, 1080p @ 30 fps FHD, 720p @ 960 fps HD | |
| Flash | Yes | Yes, LED |
| Front Camera | 0.3 MP | 12 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | |
| Technical | ||
| OS | Android v4.1.2 (Jelly Bean) | Android v14 |
| Custom UI | OneUI 6.0 | |
| Chipset | SC7710G | Samsung Exynos |
| CPU | 1 GHz, Single Core Processor | Octa Core Processor |
| Java | Yes, via 3rd party | No |
| Browser | Yes, supports HTML | Yes |
| Multimedia | ||
| Supports | MMS, YouTube Player | |
| Yes | ||
| Music | MP3, WAV, MIDI | MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, DFF, DSF, APE |
| Video | 3GP, MP4, AVI | MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM |
| FM Radio | Yes | No |
| Document Reader | Yes | |
| Battery | ||
| Type | Removable Battery | Non-Removable Battery |
| Size | 1500 mAh, Li-ion Battery | 4500 mAh, Li-ion Battery |
| Fast Charging | Yes, 25W Fast Charging | |
| Wireless Charging | Yes | |
| Reverse Charging | Yes | |
| StandBy Time | 116 hours | |
| Talk Time | 4 hours | |