ManualUser Guide
Mobile processor comparison

MediaTek Helio G91 vs Samsung Exynos 990

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

Swap sides New comparison
Compared fields 42
Different values 38
Quick factual highlights
MediaTek Helio G91
  • Higher listed GPU clock
Samsung Exynos 990
  • Higher maximum CPU clock
  • Smaller manufacturing process
  • Higher listed download speed
Side-by-side specifications

Detailed comparison

CPU

SpecificationMediaTek Helio G91Samsung Exynos 990
Architecture 2x 2 GHz - Cortex-A756x 1.8 GHz - Cortex-A55 2x 2.73 GHz - Exynos M52x 2.5 GHz - Cortex-A764x 2 GHz - Cortex-A55
CPU cores 8 8
Clock speed 2000 MHz 2730 MHz
Instruction set ARMv8.2-A ARMv8.2-A
Process technology 12 nanometers 7 nanometers
TDP 5 W 9 W

Cache and memory

SpecificationMediaTek Helio G91Samsung Exynos 990
L1 cache Not available 192 KB
L2 cache Not available 1 MB
L3 cache Not available 2 MB
Memory type LPDDR4X LPDDR5
Memory frequency 1800 MHz 3200 MHz
Memory bus 2x 16 Bit 4x 16 Bit
Maximum bandwidth 13.41 Gbit/s 44 Gbit/s
Maximum memory 8 GB 16 GB

Graphics and AI

SpecificationMediaTek Helio G91Samsung Exynos 990
GPU Mali-G52 MP2 Mali-G77 MP11
GPU architecture Bifrost 2nd gen Valhall
GPU clock 1000 MHz 800 MHz
Execution units Not available 11
Shaders 24 176
FLOPS 96 Gigaflops 1196 Gigaflops
Vulkan 1.3 1.1
OpenCL 2.0 2.0
DirectX Not available 12
Neural processor / NPU MediaTek APU Yes

Display and media

SpecificationMediaTek Helio G91Samsung Exynos 990
Maximum display resolution 2520 x 1080 3840 x 2400
Maximum camera resolution 1x 108MP, 2x 16MP 1x 108MP, 2x 25MP
Video capture 2K at 30FPS 8K at 30FPS, 4K at 120FPS
Video playback 2K at 30FPS 8K at 30FPS
Video codecs - H.264 - H.265 - VP9 H.264, H.265, VP8, VP9
Audio codecs - AIFF - CAF - MP3 - MP4 - WAV AAC, AIFF, CAF, MP3, MP4, WAV

Connectivity

SpecificationMediaTek Helio G91Samsung Exynos 990
4G LTE Cat. 7 LTE Cat. 24
5G No Yes
Download speed Up to 300 Mbps Up to 3000 Mbps
Upload speed Up to 100 Mbps Up to 422 Mbps
Wi-Fi 5 6
Bluetooth 5.4 5.1
Navigation GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo

General

SpecificationMediaTek Helio G91Samsung Exynos 990
Release June 2024 October 2019
Class Low end Flagship
Model number Not available S5E9830
Storage support eMMC 5.1, UFS 2.1 UFS 2.1, UFS 3.0
Devices in database Not available 20
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 990

PDF manual 4G
Samsung Galaxy S20 FE
Samsung

Samsung Galaxy S20 FE

3.5
Smartphone
Display
Super AMOLED 16M colors, 120 Hz, 1080 × 2400…
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB
Battery
Li-Ion 4500 mAh
View details PDF
PDF manual 4G
Samsung Galaxy S20 FE Dual SIM
Samsung

Samsung Galaxy S20 FE Dual SIM

3.3
Smartphone
Display
Super AMOLED 16M colors, 120 Hz, 1080 × 2400…
RAM
6 GB, 8 GB
Storage
128 GB, 256 GB
Battery
Li-Ion 4500 mAh
View details PDF
PDF manual 4G
Samsung Galaxy Note 20 LTE
Samsung

Samsung Galaxy Note 20 LTE

3.7
Smartphone
Display
Super AMOLED Plus 16M colors, 60 Hz, 1080 × 2…
RAM
8 GB
Storage
256 GB
Battery
Li-Po 4300 mAh
View details PDF
PDF manual 5G
Samsung Galaxy Note 20 5G
Samsung

Samsung Galaxy Note 20 5G

3.3
Smartphone
Display
Super AMOLED Plus 16M colors, 60 Hz, 1080 × 2…
RAM
8 GB
Storage
128 GB, 256 GB
Battery
Li-Po 4300 mAh
View details PDF
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