Mobile processor comparison

Qualcomm Snapdragon 665 vs MediaTek Helio G91

Compare available catalogue specifications. The page highlights factual differences without declaring an overall winner.

Compared fields 41
Different values 30
Quick factual highlights
Qualcomm Snapdragon 665
  • Smaller manufacturing process
  • Higher listed download speed
MediaTek Helio G91
  • Higher listed GPU clock
Side-by-side specifications

Detailed comparison

CPU

SpecificationQualcomm Snapdragon 665MediaTek Helio G91
Architecture 4x 2 GHz - Kryo 260 Gold (Cortex-A73)4x 1.8 GHz - Kryo 260 Silver (Cortex-A53) 2x 2 GHz - Cortex-A756x 1.8 GHz - Cortex-A55
CPU cores 8 8
Clock speed 2000 MHz 2000 MHz
Instruction set ARMv8-A ARMv8.2-A
Process technology 11 nanometers 12 nanometers
Transistors 1.75 billion Not available
TDP 5 W 5 W

Cache and memory

SpecificationQualcomm Snapdragon 665MediaTek Helio G91
L2 cache 1 MB Not available
Memory type LPDDR4X LPDDR4X
Memory frequency 1866 MHz 1800 MHz
Memory bus 2x 16 Bit 2x 16 Bit
Maximum bandwidth 14.9 Gbit/s 13.41 Gbit/s
Maximum memory 8 GB 8 GB

Graphics and AI

SpecificationQualcomm Snapdragon 665MediaTek Helio G91
GPU Adreno 610 Mali-G52 MP2
GPU architecture Adreno 600 Bifrost 2nd gen
GPU clock 950 MHz 1000 MHz
Execution units 2 Not available
Shaders 96 24
FLOPS 273 Gigaflops 96 Gigaflops
Vulkan 1.1 1.3
OpenCL 2.0 2.0
DirectX 12 Not available
Neural processor / NPU Hexagon 686 MediaTek APU

Display and media

SpecificationQualcomm Snapdragon 665MediaTek Helio G91
Maximum display resolution 2520 x 1080 2520 x 1080
Maximum camera resolution 1x 48MP, 2x 16MP 1x 108MP, 2x 16MP
Video capture 4K at 30FPS 2K at 30FPS
Video playback 4K at 30FPS 2K at 30FPS
Video codecs H.264, H.265, VP8, VP9 - H.264 - H.265 - VP9
Audio codecs AIFF, CAF, MP3, MP4, WAV - AIFF - CAF - MP3 - MP4 - WAV

Connectivity

SpecificationQualcomm Snapdragon 665MediaTek Helio G91
4G LTE Cat. 12 LTE Cat. 7
5G No No
Download speed Up to 600 Mbps Up to 300 Mbps
Upload speed Up to 150 Mbps Up to 100 Mbps
Wi-Fi 5 5
Bluetooth 5.0 5.4
Navigation GPS, GLONASS, Beidou, Galileo, QZSS, SBAS GPS, GLONASS, Beidou, Galileo

General

SpecificationQualcomm Snapdragon 665MediaTek Helio G91
Release April 2019 June 2024
Class Mid range Low end
Model number SM6125 Not available
Storage support eMMC 5.1, UFS 2.1 eMMC 5.1, UFS 2.1
Devices in database 41 Not available
Real devices

Phones using these processors

Examples found in the existing device catalogue.

Qualcomm Snapdragon 665

PDF manual 4G
Nokia 5.3 Dual SIM
Nokia

Nokia 5.3 Dual SIM

3.4
Smartphone
Display
IPS TFT 16M colors 720 × 1600 pixels (6.55 in…
RAM
3 GB, 4 GB, 6 GB
Storage
64 GB
Battery
Li-Ion 4000 mAh
PDF manual 4G
Nokia 5.3
Nokia

Nokia 5.3

3.4
Smartphone
Display
IPS TFT 16M colors, 60 Hz, 720 × 1600 pixels…
RAM
3 GB, 4 GB, 6 GB
Storage
64 GB
Battery
Li-Ion 4000 mAh
PDF manual 4G
Oppo Reno 3 A
Oppo

Oppo Reno 3 A

3.0
Smartphone
Display
OLED 16M colors 1080 × 2400 pixels (6.44 inch…
RAM
6 GB
Storage
128 GB
Battery
Li-Ion 4025 mAh
PDF manual 4G
Oppo A92
Oppo

Oppo A92

3.0
Smartphone
Display
IPS TFT 16M colors, 60 Hz, 1080 × 2400 pixels…
RAM
8 GB
Storage
128 GB
Battery
Li-Ion 5000 mAh
PDF manual 4G
Oppo A72
Oppo

Oppo A72

3.0
Smartphone
Display
IPS TFT 16M colors, 60 Hz, 1080 × 2400 pixels…
RAM
4 GB
Storage
128 GB
Battery
Li-Ion 5000 mAh
PDF manual 4G
Oppo A52
Oppo

Oppo A52

3.0
Smartphone
Display
IPS TFT 16M colors 1080 × 2400 pixels (6.50 i…
RAM
4 GB, 8 GB
Storage
64 GB, 128 GB
Battery
Li-Ion 5000 mAh
PDF manual 4G
Oppo A11
Oppo

Oppo A11

3.0
Smartphone
Display
IPS TFT 16M colors 720 × 1600 pixels (6.50 in…
RAM
4 GB
Storage
128 GB
Battery
Li-Ion 5000 mAh
PDF manual 4G
Oppo A11x
Oppo

Oppo A11x

3.0
Smartphone
Display
IPS TFT 16.7M colors 720 × 1600 pixels (6.50…
RAM
4 GB, 8 GB
Storage
128 GB
Battery
Li-Ion 5000 mAh

MediaTek Helio G91

4G
Redmi 13 4G
Redmi

Redmi 13 4G

3.6
Smartphone
Display
IPS TFT 16.7M colors, 90 Hz, 1080 × 2400 pixe…
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB
Battery
Li-Ion 5030 mAh
4G
POCO M6 4G
POCO

POCO M6 4G

3.6
Smartphone
Display
IPS TFT 16.7M colors, 90 Hz, 1080 × 2400 pixe…
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB
Battery
Li-Ion 5030 mAh