ManualUser Guide
Mobile processor comparison

MediaTek Helio G91 vs Samsung Exynos 7904

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

Swap sides New comparison
Compared fields 40
Different values 31
Quick factual highlights
MediaTek Helio G91
  • Higher maximum CPU clock
  • Smaller manufacturing process
  • Higher listed GPU clock
Samsung Exynos 7904
  • Higher listed download speed
Side-by-side specifications

Detailed comparison

CPU

SpecificationMediaTek Helio G91Samsung Exynos 7904
Architecture 2x 2 GHz - Cortex-A756x 1.8 GHz - Cortex-A55 2x 1.8 GHz - Cortex-A736x 1.6 GHz - Cortex-A53
CPU cores 8 8
Clock speed 2000 MHz 1800 MHz
Instruction set ARMv8.2-A ARMv8.2-A
Process technology 12 nanometers 14 nanometers
Transistors Not available 2 billion
TDP 5 W 5 W

Cache and memory

SpecificationMediaTek Helio G91Samsung Exynos 7904
Memory type LPDDR4X LPDDR4X
Memory frequency 1800 MHz Not available
Memory bus 2x 16 Bit 2x 16 Bit
Maximum bandwidth 13.41 Gbit/s Not available
Maximum memory 8 GB 6 GB

Graphics and AI

SpecificationMediaTek Helio G91Samsung Exynos 7904
GPU Mali-G52 MP2 Mali-G71 MP2
GPU architecture Bifrost 2nd gen Bifrost
GPU clock 1000 MHz 770 MHz
Execution units Not available 2
Shaders 24 32
FLOPS 96 Gigaflops 65 Gigaflops
Vulkan 1.3 1.0
OpenCL 2.0 2.0
DirectX Not available 12
Neural processor / NPU MediaTek APU No

Display and media

SpecificationMediaTek Helio G91Samsung Exynos 7904
Maximum display resolution 2520 x 1080 2400 x 1080
Maximum camera resolution 1x 108MP, 2x 16MP 1x 32MP, 2x 16MP
Video capture 2K at 30FPS 4K at 30FPS
Video playback 2K at 30FPS 1080p at 60FPS
Video codecs - H.264 - H.265 - VP9 H.264, H.265, VP8, VP9
Audio codecs - AIFF - CAF - MP3 - MP4 - WAV AIFF, CAF, MP3, MP4, WAV

Connectivity

SpecificationMediaTek Helio G91Samsung Exynos 7904
4G LTE Cat. 7 LTE Cat. 12
5G No No
Download speed Up to 300 Mbps Up to 600 Mbps
Upload speed Up to 100 Mbps Up to 150 Mbps
Wi-Fi 5 5
Bluetooth 5.4 5.0
Navigation GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo

General

SpecificationMediaTek Helio G91Samsung Exynos 7904
Release June 2024 February 2019
Class Low end Mid range
Model number Not available S5E7904
Storage support eMMC 5.1, UFS 2.1 eMMC 5.1
Devices in database Not available 10
Real devices

Phones using these processors

Examples found in the existing device catalogue.

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
View details
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
View details

Samsung Exynos 7904

PDF manual 4G
Samsung Galaxy A30s Dual SIM
Samsung

Samsung Galaxy A30s Dual SIM

3.4
Smartphone
Display
Super AMOLED 16M colors 720 × 1560 pixels (6.…
RAM
3 GB, 4 GB
Storage
32 GB, 64 GB, 128 GB
Battery
Li-Po 4000 mAh
View details PDF
PDF manual 4G
Samsung Galaxy A30s
Samsung

Samsung Galaxy A30s

3.3
Smartphone
Display
Super AMOLED 16M colors 720 × 1560 pixels (6.…
RAM
3 GB, 4 GB
Storage
32 GB, 64 GB, 128 GB
Battery
Li-Po 4000 mAh
View details PDF
PDF manual 4G
Samsung Galaxy A40s
Samsung

Samsung Galaxy A40s

3.0
Smartphone
Display
Super AMOLED 16M colors 720 × 1560 pixels (6.…
RAM
4 GB, 6 GB
Storage
64 GB, 128 GB
Battery
Li-Ion 5000 mAh
View details PDF
PDF manual 4G
Samsung Galaxy A40
Samsung

Samsung Galaxy A40

3.7
Smartphone
Display
Super AMOLED 16M colors 1080 × 2340 pixels (5…
RAM
4 GB
Storage
64 GB
Battery
Li-Ion 3100 mAh
View details PDF
PDF manual 4G
Samsung Galaxy M30
Samsung

Samsung Galaxy M30

3.2
Smartphone
Display
Super AMOLED 16M colors 1080 × 2340 pixels (6…
RAM
3 GB, 4 GB, 6 GB
Storage
32 GB, 64 GB, 128 GB
Battery
Li-Ion 5000 mAh
View details PDF
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