Apple iPhone 6s vs. Apple iPhone 15 Pro

Phone Comparison, Reviews and Tests

In depth comparison and review of Apple iPhone 6s and Apple iPhone 15 Pro. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

Apple iPhone 6s vs. Apple iPhone 15 Pro Comparison Chart
DESIGN AND DIMENSIONS Apple iPhone 6s Apple iPhone 15 Pro
Product Type Smartphone - refurbished Smartphone
Manufacturer Model Number A1688 A3102
Form Factor Touch Touch
Height 138.3 mm 146.6 mm Apple iPhone 15 Pro has greater height than Apple iPhone 6s.
Width 67.1 mm 70.6 mm Apple iPhone 15 Pro has greater width than Apple iPhone 6s.
Depth 7.1 mm 8.25 mm Apple iPhone 6s is narrower than Apple iPhone 6s.
Weight 143 g 187 g Apple iPhone 6s is lighter than Apple iPhone 6s.
Body Colour Space grey | Rose gold | Gold | Silver Black titanium | White titanium | Natural titanium | Blue titanium
Body Material Stainless steel, glass, anodised aluminium Textured matt glass, aerospace-grade titanium
Protection - Dustproof, splashproof, waterproof
Waterproof (Water-resistant) - Yes Apple iPhone 15 Pro is waterproof.
IP rating - IEC 60529 IP68
Repairability Index - 7.6 (out of 10)
SAR Value 0.98 W/kg (body), 0.87 W/kg (head) -
Connector Type Headset jack - mini-phone 3.5mm
Lightning
USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Single-SIM Dual-SIM
DISPLAY Apple iPhone 6s Apple iPhone 15 Pro
Display Type LCD display OLED display
Display Technology Retina HD display with IPS technology Super Retina XDR Display with ProMotion
Screen Size (Display Size) 4.7" 6.1" Apple iPhone 15 Pro has larger screen size than Apple iPhone 6s.
Screen Resolution (Display Resolution) 1334 x 750 pixels 2556 x 1179 pixels Apple iPhone 15 Pro has better screen resolution than Apple iPhone 6s.
Pixel Density 326 ppi 460 ppi Apple iPhone 15 Pro has better pixel density than Apple iPhone 6s.
Max Brightness 500 cd/m² 2000 cd/m² Apple iPhone 15 Pro has better display brightness than Apple iPhone 6s.
Contrast Ratio 1400:1 2000000:1 Apple iPhone 15 Pro has better display contrast ratio than Apple iPhone 6s.
HDR - Yes Apple iPhone 15 Pro has HDR.
HDR Technology - HDR10
Display Enhancement Technology - Dolby Vision
Display Refresh Rate - 120 Hz
Display Features Dual-domain pixels, Display Zoom, Reachability (screen shifting), Landscape Views Always-on display, True Tone display, Wide colour display (P3), Haptic touch, Hybrid Log-Gamma (HLG), Dynamic Island, 1600 nits max brightness (HDR), 2000 nits max brightness (outdoor)
Display Protection (Screen Protector) Fingerprint-resistant oleophobic coating Fingerprint-resistant oleophobic coating, Ceramic Shield
PROCESSOR Apple iPhone 6s Apple iPhone 15 Pro
Processor Type (CPU) Apple A9 Apple A17 Pro
Processor Core Qty - 6-core
64-bit Architecture Yes - Apple iPhone 6s has 64-bit architecture.
MEMORY Apple iPhone 6s Apple iPhone 15 Pro
Internal Memory Size (Storage Capacity) 16 GB 128 GB Apple iPhone 15 Pro has more internal memory than Apple iPhone 6s.
CAMERA Apple iPhone 6s Apple iPhone 15 Pro
MAIN CAMERA
Number of Main Cameras 1 3
Sensor Resolution 12 Megapixel 48 Megapixel Apple iPhone 15 Pro has better camera resolution than Apple iPhone 6s.
Sensor Type BSI -
Lens Aperture F/2.2 F/1.78 Apple iPhone 15 Pro has better lens aperture than Apple iPhone 6s.
Lens Construction 5-element -
Optical Image Stabiliser (OIS) - Sensor-shift OIS second-generation (Optical Image Stabilisation) Apple iPhone 15 Pro has optical stabilisation.
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) - 24 mm
Optical Zoom - 3x
Digital Zoom 3x 15x Apple iPhone 15 Pro has better digital zoom than Apple iPhone 6s.
Special Effects - Photographic Styles
HDR Mode Auto HDR mode Smart HDR 5
Camera Modes Burst mode, Panorama, Time-lapse mode, Timer mode Burst mode, slow motion video, Panorama, Time-lapse mode, night mode, portrait mode, Live Photos, Portrait Lighting, wide colour capture for photos and Live Photos, Cinema mode, Macro video, Macro mode, Time Lapse (Night mode), Apple ProRAW, Night mode portraits, spatial video, log video recording
Face Recognition (Face ID) Face detection Face recognition Both phones have face detection.
Light Source LED light Adaptive True Tone LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 3840 x 2160 (4K) at 24 fps, 1920 x 1080 (1080p) at 25 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 3840 x 2160 (4K) at 25 fps
Camera Features (Functions) Sapphire crystal lens cover, Cinematic video stabilisation, Focus Pixels, Cinematic video stabilisation, Live Photo, Playback zoom, Hybrid IR filter, Exposure control, noise reduction, geotagging Sapphire crystal lens cover, Cinematic video stabilisation, Cinematic video stabilisation, Playback zoom, geotagging, Stereo Recording, Continuous autofocus video, 8MP still photos recording 4K video, Time‑lapse video with stabilisation, Advanced red-eye correction, Panorama (up to 63MP), HEIF image capture, Audio zoom, 100% Focus Pixels, QuickTake video, HEVC (High Efficiency Video coding), Deep Fusion, Dolby Vision HDR video recording up to 4K at 60 fps, 6x optical zoom range, 2x optical zoom out, 3x optical zoom in, Cinematic mode up to 4K HDR at 30 fps, Action mode up to 2.8K at 60 fps, Photonic Engine, customisable default lens, ProRes video recording up to 4K at 60 fps with external recording, Academy Colour Encoding System
SECOND CAMERA
Sensor Resolution (2nd Camera) - 12 Megapixel
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) - F/2.2
Field of View (2nd Camera) - 120 degree(s)
Pixel Size (2nd Camera) - 1.4 μm
Minimum Focal Length (2nd Camera) - 13 mm
Camera Features (2nd Camera) - Lens correction, 100% Focus Pixels, Quad Pixel sensor
THIRD CAMERA
Sensor Resolution (3rd Camera) - 12 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.8
Optical Image Stabiliser (OIS) - Sensor-shift OIS second-generation (Optical Image Stabilisation) Apple iPhone 15 Pro has optical stabilisation of the third camera.
Minimum Focal Length (3rd Camera) - 77 mm
Optical Zoom - 3x
Camera Features (3rd Camera) - 100% Focus Pixels, Quad Pixel sensor
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 5 Megapixel 12 Megapixel Apple iPhone 15 Pro has better front camera resolution than Apple iPhone 6s.
Sensor Type (Front) BSI -
Lens Aperture (Front) F/2.2 F/1.9 Apple iPhone 15 Pro has better front lens aperture than Apple iPhone 6s.
Focus Adjustment - Automatic
Special Effects (Front) - Photographic Styles
HDR Mode (Front) Auto HDR mode Smart HDR 5
Camera Modes (Front) Burst mode, Timer mode Burst mode, slow motion video, Time-lapse mode, night mode, portrait mode, Live Photos, Portrait Lighting, wide colour capture for photos and Live Photos, Time Lapse (Night mode), Apple ProRAW, log video recording
Face Recognition (Face ID) Face detection Face recognition Both phones have face detection.
Light Source (Front) Retina Flash Retina Flash
Video Resolutions (Front) 1280 x 720 (720p) 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, Slo-mo video 1920 x 1080 (1080p) at 120 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, 3840 x 2160 (4K) at 24 fps, 1920 x 1080 (1080p) at 25 fps, 3840 x 2160 (4K) at 25 fps
Camera Features (Front) FaceTime HD camera, Exposure control Auto image stabilisation, Animoji, Memoji, TrueDepth camera, Cinematic video stabilisation, QuickTake video, Time‑lapse video with stabilisation, Lens correction, Deep Fusion, Dolby Vision HDR video recording up to 4K at 60 fps, Autofocus with Focus Pixels, Photonic Engine, Cinematic mode up to 4K HDR at 30 fps, ProRes video recording up to 4K at 60 fps, Academy Colour Encoding System
BATTERY AND CHARGING Apple iPhone 6s Apple iPhone 15 Pro
Battery Capacity (Battery Size) - -
Fast Charging Technology - Apple MagSafe wireless charging Apple iPhone 15 Pro has fast charging technology.
Wireless Charging - Yes Apple iPhone 15 Pro can be charged wirelessly.
Wireless Charging Standards - Qi
Standby Time 240 hours -
Talk Time 840 minutes -
Run Time Details Talk (3G): up to 840 min
Standby: up to 240 hrs
Active online usage (3G): up to 10 hrs
Active online usage (LTE): up to 10 hrs
Active online usage (Wi-Fi): up to 11 hrs
Playback (video): up to 11 hrs
Playback (audio): up to 50 hrs
Playback (video): up to 23 hrs
Playback (streamed video): up to 20 hrs
Playback (audio): up to 75 hrs
Battery Technology Lithium Ion Lithium Ion
CELLULAR Apple iPhone 6s Apple iPhone 15 Pro
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Apple iPhone 15 Pro has more advanced generation mobile network.
Operating System iOS 9 iOS 17
Intelligent Assistant Siri Siri
Payment Technology Apple Pay Apple Pay
Navigation GPS, GLONASS GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC
COMMUNICATIONS Apple iPhone 6s Apple iPhone 15 Pro
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE, DC-HSDPA, LTE Advanced, VoLTE, TDD-LTE, VoWiFi EDGE, HSPA+, DC-HSDPA, VoLTE, FDD-LTE, Gigabit LTE, LAA, 5G NR FR1, TD-LTE
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 1900 CDMA2000 1X, 1700 CDMA2000 1X (AWS), 2100 CDMA2000 1X (AWS) 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band - Band 1, Band 2, Band 5, Band 8, Band 10
3G UMTS Frequency - 2100, 1900, 850, 900, 1700 EAWS
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 27, Band 28, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 30, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 42, Band 46, Band 48, Band 66, Band 53
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 800 SMR, FDD 700 APT, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 2300 WCS, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 3500, TDD 5150, TDD 3600, FDD 1700 - 2110 AWS-3, Band 53
5G NR Band - N1, n2, n3, n5, n7, n8, n20, n28, n38, n41, n66, n70, n77, n78, n79, n40, n25, n12, n48, n26, n30, n53
5G NR Frequency - FDD 2100, FDD 1900PCS, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, FDD AWS-4, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300, FDD 1900, n12, TDD 3500, FDD 850, FDD 2300, n53
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11ax, Wi-Fi 6E
Bluetooth Bluetooth 4.2 Bluetooth 5.3
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Ultra-Wideband (UWB) - Yes Apple iPhone 15 Pro has UWB wireless technology.
Messaging Services SMS, MMS -
MEDIA Apple iPhone 6s Apple iPhone 15 Pro
Supported Digital Audio Standards WAV, AAC, AIFF, PCM, Audible, MP3, Apple Lossless, AAC-LC, HE-AAC, Audible AAX, Audible AAX+, protected AAC AAC, MP3, FLAC, Apple Lossless, Dolby Atmos, Dolby Digital, Dolby Digital Plus
Supported Digital Video Standards AVI, MOV, M-JPEG, MPEG-4, H.264, M4V H.264, HEVC, ProRes
Sound Enhancements - Dolby Digital Plus sound, Dolby Atmos sound technology, Dolby Digital sound, Spatial audio
Video Enhancements - HDR with Dolby Vision, HDR10, Hybrid Log-Gamma (HLG)
FEATURES Apple iPhone 6s Apple iPhone 15 Pro
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, 3-axis gyro sensor, digital compass, barometer Proximity sensor, digital compass, barometer, magnetometer, LiDAR scanner, dual ambient light sensor, gyroscope with large dynamic range, high-g accelerometer
Security Devices Fingerprint reader Face recognition
Security Technology - Face ID
Additional Phone Features Multitasking, FaceTime, AirPlay wireless streaming, AirPrint wireless printing, iCloud Photo Sharing, AirDrop function, Apple TV support (2nd, 3rd), MIMO technology, Wi-Fi Calling, iBeacon microlocation, CarPlay function, Family Sharing feature, QuickType keyboard, iCloud Keychain, Spotlight Search, Notification Center, M9 motion coprocessor MIMO technology, Wi-Fi Calling, iBeacon microlocation, QuickType keyboard, Apple TV support (2nd or later), Fast Charging, FaceTime audio, Apple MagSafe, Express Transit cards with power reserve, 4K HDR AirPlay Mirroring, FaceTime HD (1080p), RTT/TTY compatible, Voice isolation, 16‑core Neural Engine, Wide Spectrum microphone mode, Screen sharing, Portrait mode in FaceTime video, Optical zoom with rear‑facing camera, DisplayPort over USB Type-C, FaceTime call with SharePlay, Crash Detection, magnet array, alignment magnet, accessory identification NFC, Emergency SOS via satellite, thread networking technology, action button, Dual active eSIM support, StandBy, hardware-accelerated ray tracing, MetalFX Upscaling, second-generation Ultra Wideband chip
OTHERS Apple iPhone 6s Apple iPhone 15 Pro
Included Accessories USB cable, power adapter, Apple EarPods USB-C to USB-C cable (1 m)
Compliant Standards HAC (Hearing Aid Compatible) IEC 60529 IP68, BFR-free, PVC-free, Beryllium-free, Mercury-free, HEARING AID M3/T4, Arsenic-free
EPEAT Compliant - Yes
EPEAT Level - EPEAT Gold
Carbon Footprint - 66 kg carbon emissions
Product Recycled Content - 20 % - recycled or renewable content
Max Depth of Water Resistance - 6 m
Max Operating Temperature 35 °C 35 °C
Min Operating Temperature 0 °C 0 °C
Humidity Range Operating 5 - 95% (non-condensing) 5 - 95% (non-condensing)
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