MediaTek Dimensity 8400 vs MediaTek Helio G99+
45.9CPU25.3
46.1GPU—
71.7Benchmarks—
73.8Efficiencyspec-based36
2 spec wins — MediaTek Dimensity 84001 spec wins — MediaTek Helio G99+
InnoReviews verdict
No overall winner yet: MediaTek Helio G99+ lacks the published benchmark results an Inno Score requires, so there is no Inno Score to compare — we don't rank chips on their spec sheet alone. The spec table below still shows every difference we track.
Which would you pick?
Key differences
Reasons to pick the MediaTek Dimensity 8400
- Stronger CPU score: 46 vs 25
- 48% higher Max clock: 3.25 GHz vs 2.2 GHz
- 33% lower process: 4 nm vs 6 nm
Reasons to pick the MediaTek Helio G99+
No decisive spec advantages — this side competes on price and preference.
General
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G99+ |
|---|---|---|
| Announced | 2024 | 2026 |
| Process | 4 nm+33% | 6 nm |
| TDP (typical) | 6 W | — |
| Architecture | Armv9.2 | Armv8.2 |
CPU
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G99+ |
|---|---|---|
| Cores | 8 | 8 |
| Core configuration | 1x3.25 GHz Cortex-A725 + 3x3.0 GHz Cortex-A725 + 4x2.1 GHz Cortex-A725 | 2x2.2 GHz Cortex-A76 + 6x2.0 GHz Cortex-A55 |
| Max clock | 3.25 GHz+48% | 2.2 GHz |
GPU
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G99+ |
|---|---|---|
| GPU | Arm Mali-G720 MC7 | Arm Mali-G57 MC2 |
AI
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G99+ |
|---|---|---|
| NPU | MediaTek NPU 880 | — |
Memory
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G99+ |
|---|---|---|
| Memory type | LPDDR5X-8533 | LPDDR5X-5500 |
| Max bandwidth | 68.3 GB/s | — |
Connectivity
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G99+ |
|---|---|---|
| Modem | Integrated 5G modem | Integrated 4G LTE Cat-13 |
| Max download | 5.2 Gbps | — |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.2 |
Media
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G99+ |
|---|---|---|
| Max display | — | FHD+ @ 120Hz |
| Video capture | 4K@60fps | 1080p@60fps |
Benchmarks
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G99+ |
|---|---|---|
| AnTuTu | 1,946,644Top 33% | — |
| AnTuTu 11 (CPU) | 560,176Top 38% | — |
| AnTuTu 11 (GPU) | 642,040Top 30% | — |
| AnTuTu 11 (Memory) | 339,619Top 30% | — |
| AnTuTu 11 (UX) | 404,809Top 38% | — |
| Geekbench 6 (single) | 1,450Top 31% | — |
| Geekbench 6 (multi) | 6,400Top 19% | — |
| 3DMark Wild Life Extreme | 3,400Top 35% | — |
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