MediaTek Helio G99
vs
MediaTek Dimensity 7400X
vs
SoC Comparison Result
Below are the results of a comparison of
MediaTek Helio G99
and
MediaTek Dimensity 7400X
mobile processors based on key performance characteristics, as well as power consumption and much more.
Advantages
- Higher Frequency: 2200 MHz (2200 MHz vs Up to 2.6 GHz)
- Higher Technology: 4 nm (6 nm vs 4 nm)
- Newer Launch Date: February 2025 (May 2022 vs February 2025)
Basic
MediaTek
Label Name
MediaTek
May 2022
Launch Date
February 2025
SmartPhone Mid range
Platform
SmartPhone Mid range
TSMC
Manufacturing
-
MT6789
Model Name
Dimensity 7400X (MT6878V/TFZA)
2x 2.2 GHz – Cortex-A766x 2 GHz – Cortex-A55
Architecture
4× Cortex-A78 + 4× Cortex-A55
8
Cores
Octa (8)
6 nm
Technology
4 nm
2200 MHz
Frequency
Up to 2.6 GHz
GPU Specifications
Mali-G57 MP2
GPU name
Arm Mali-G615 MC2
1100 MHz
GPU frequency
-
0.2816 TFLOPS
FLOPS
-
64
Shading units
-
2
Execution units
-
2.0
OpenCL version
-
1.3
Vulkan version
-
2520 x 1080
Max display resolution
WFHD+ @ 120 Hz; FHD+ @ 144 Hz
12
DirectX version
-
Connectivity
Up to 650 Mbps
Download speed
-
LTE Cat. 13
4G support
LTE (FDD/TDD), 4G CA
No
5G support
5G R16; NR DL 3CC (140 MHz); SA/NSA; DL up to 3.27 Gbps; 4×4 MIMO; 256QAM UL 2CC; VoNR / EPS fallback
5.2
Bluetooth
Bluetooth 5.4
5
Wi-Fi
Wi-Fi 6E (802.11 a/b/g/n/ac/ax), 2×2 (2T2R)
GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
Navigation
GPS; BeiDou; GLONASS; Galileo; QZSS; NavIC
Memory Specifications
LPDDR4X
Memory type
LPDDR5 / LPDDR4x
2133 MHz
Memory frequency
Up to 6400 Mbps
2x 16 Bit
Memory Bus
-
Miscellaneous
AAC, AIFF, CAF, MP3, MP4, WAV
Audio codecs
-
1x 108MP, 2x 16MP
Max camera resolution
Up to 200 MP
UFS 2.2
Storage type
UFS 2.2 / UFS 3.1
2K at 30FPS
Video capture
4K30 (3840 × 2160)
H.264, H.265, VP9
Video codecs
H.264, HEVC (encode/decode); VP9 (decode)
2K at 30FPS
Video playback
H.264, HEVC, VP9 playback
5 W
TDP
-
ARMv8.2-A
Instruction set
ARMv8.2-A (64-bit)
Yes
Neural processor (NPU)
MediaTek NPU 655 (6th gen)
Benchmarks
Geekbench 6 Single Core
Helio G99
733
Dimensity 7400X
1035
+41%
Geekbench 6 Multi Core
Helio G99
1994
Dimensity 7400X
2755
+38%
AnTuTu 10
Helio G99
423470
Dimensity 7400X
708424
+67%
Comparison of Devices
3DMark Sling Shot
Infinix Xpad
MediaTek Helio G99
3657
Motorola Razr (2025)
MediaTek Dimensity 7400X
6231
3DMark Steel Nomad Light
Infinix Zero 30 4G
MediaTek Helio G99
147
Motorola Razr 60
MediaTek Dimensity 7400X
409
PCMark for Android Storage 2.0
Cubot King Kong Power 3
MediaTek Helio G99
30934
Motorola Razr 60
MediaTek Dimensity 7400X
18617
PCMark for Android Work 3.0
Lenovo Tab Plus
MediaTek Helio G99
11879
Motorola Razr 60
MediaTek Dimensity 7400X
16047
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