MediaTek Dimensity 8450 vs MediaTek Helio G99
SOC · Specs Compare
CPU
Architecture
1x 3.25 GHz – Cortex-A7253x 3 GHz – Cortex-A7254x 2.1 GHz – Cortex-A725
2x 2.2 GHz – Cortex-A766x 2 GHz – Cortex-A55
Frequency
3250 MHz
2200 MHz
Cores
8
8
Instruction set
ARMv9.2-A
ARMv8.2-A
L2 cache
1 MB
—
L3 cache
6 MB
—
Process
4 nm
6 nm
Manufacturing
TSMC
TSMC
TDP
—
5 W
Graphics
GPU name
Mali-G720 MP7
Mali-G57 MP2
GPU frequency
1300 MHz
1100 MHz
Shading units
128
64
Vulkan version
1.3
1.3
OpenCL version
3.2
2.0
DirectX version
12
12
Execution units
—
2
Memory
Memory Type
LPDDR5X
LPDDR4X
Memory frequency
4266 MHz
2133 MHz
Bus
4x 16 Bit
2x 16 Bit
Max bandwidth
68.2 Gbit/s
17.1 Gbit/s
AI
NPU
MediaTek NPU 880
—
Multimedia (ISP)
Storage type
UFS 4.0
UFS 2.2
Max display resolution
2960 x 1440
2520 x 1080
Max camera resolution
1x 320MP, 3x 32MP
1x 108MP, 2x 16MP
Video capture
4K at 60FPS
2K at 30FPS
Video playback
4K at 60FPS
2K at 30FPS
Video codecs
- H.264- H.265- AV1- VP9
H.264, H.265, VP9
Audio codecs
- AAC LC- FLAC- HE-AACv1- HE-AACv2- MP3
AAC, AIFF, CAF, MP3, MP4, WAV
Neural processor (NPU)
—
Yes
Connectivity
5G support
Yes
No
Download speed
Up to 5170 Mbps
Up to 650 Mbps
Wi-Fi
6
5
Bluetooth
6.0
5.2
Navigation
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
4G support
—
LTE Cat. 13
Upload speed
—
Up to 150 Mbps
Info
Announced
May 2025
May 2022
Class
Mid range
Mid range
Model number
—
MT6789
Benchmark
AnTuTu 10
1,675,507
415,167
Geekbench 6
1,617
733
Geekbench 6
6,406
1,994
FP32 (float)
2,329
281
▲ Specs Compare
Data sourced from official specifications and benchmark tests.