Category Breakdown
Cat S61
Oppo A8
Performance
69.877.3
Camera
38.128.4
Display
58.969.8
Battery
30.629.7
Build
75.167.9
Connectivity
67.356.4
Audio
8.98.9
Overall
44.646.0
Summary
- The Cat S61 features a rugged build with Gorilla Glass 5, an aluminum frame, and a weight of 250g, while the Oppo A8 has a lighter plastic frame and weighs 180g.
- The S61's 5.2-inch display offers a higher resolution of 1080 x 1920 pixels compared to the A8's 720 x 1600 pixels on a larger 6.5-inch screen.
- In terms of performance, the S61 is powered by a Snapdragon 630 chipset, while the A8 uses a Helio P35, with both having 4GB of RAM.
- The S61's camera includes a 16 MP main sensor with a thermal imaging capability, whereas the A8 has a 12 MP main camera with additional macro and depth sensors.
- Battery capacity is slightly higher in the S61 at 4500mAh compared to the A8's 4230mAh, with the S61 supporting 18W charging.
- Both devices run Android, with the S61 upgradable to Android 9.0 and the A8 operating on ColorOS 6.1.
Side-by-side Specification Comparison
Cat S61
Oppo A8
General
Release Date
2018
2019
Announced
2018
2019
Description
N/A
N/A
Display
Size
5.2"
6.5"
Type
IPS LCD
IPS LCD, 480 nits (typ)
Resolution
1080 x 1920 pixels, 16:9 ratio (~424 ppi density)
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
PPI
1080
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 5
N/A
Performance
Chipset
Qualcomm SDM630 Snapdragon 630 (14 nm)
Mediatek MT6765V/CB Helio P35 (12 nm)
CPU
Octa-core 2.2 GHz Cortex-A53
Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
Adreno 508
PowerVR GE8320
Memory
64GB 4GB RAM
128GB 4GB RAM, 64GB 4GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (uses shared SIM slot)
microSDXC (dedicated slot)
Camera
Main Camera
16 MP, PDAF, FLIR thermal camera (Lepton module)
12 MP, f/1.8, (wide), PDAF2 MP, f/2.4, (macro)2 MP, f/2.4, (depth)
Main Camera Features
Thermal imaging, heat palettes, temp. spot meter, dual-LED dual-tone flash, panorama
LED flash, HDR, panorama
Front Camera
8 MP
8 MP, f/2.0
Front Camera Features
N/A
HDR
Video Recording
4K@30fps, 1080p@30fps
1080p@30fps
Selfie Video
1080p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4500 mAh
4230 mAh
Battery Details
Li-Ion 4500 mAh, non-removable
Li-Po 4230 mAh
Charging Details
18W wired, QC4
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
163 x 78 x 13 mm (6.42 x 3.07 x 0.51 in)
163.9 x 75.5 x 8.3 mm (6.45 x 2.97 x 0.33 in)
Weight
250 g
180 g
Materials
Glass front (Gorilla Glass 5), plastic back, aluminum frame
Glass front, plastic back, plastic frame
Colors
Black
Green, Black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM (South Africa only)Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / CDMA / HSPA / EVDO / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat12 600/150 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✓
✗
USB
USB Type-C 2.0, OTG
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, QZSS, SBAS
GPS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 8.0 (Oreo), upgradable to Android 9.0 (Pie)
Android 9.0 (Pie), ColorOS 6.1
Fingerprint
✗
✓
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass, barometer, indoor air quality sensor
Fingerprint (rear-mounted), accelerometer, proximity, compass

