MediaTek Dimensity 8400 vs MediaTek Helio G99
45.9CPU24.1
46.1GPU21.2
67.5Benchmarks32.1
73.8Efficiency54.9
8 spec wins — MediaTek Dimensity 84001 spec wins — MediaTek Helio G99
InnoReviews verdict
MediaTek Dimensity 8400 wins this mobile chipset face-off, 55.4 to 30.2, pulling ahead mainly in benchmarks (+35) and GPU (+25). MediaTek Helio G99 still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the MediaTek Dimensity 8400
- Stronger CPU score: 46 vs 24
- Stronger GPU score: 46 vs 21
- Stronger benchmarks score: 68 vs 32
- Stronger efficiency score: 74 vs 55
- 886% higher 3DMark Wild Life Extreme: 3,400 vs 345
Reasons to pick the MediaTek Helio G99
- 17% lower TDP (typical): 5 W vs 6 W
General
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G99 |
|---|---|---|
| Announced | 2024 | 2022 |
| Process | 4 nm+33% | 6 nm |
| TDP (typical) | 6 W | 5 W+17% |
| 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 | LPDDR4X-4266 |
| Max bandwidth | 68.3 GB/s+299% | 17.1 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 10 | 1,650,000+307% | 405,000 |
| Geekbench 6 (single) | 1,450+99% | 730 |
| Geekbench 6 (multi) | 6,400+218% | 2,010 |
| 3DMark Wild Life Extreme | 3,400+886% | 345 |
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