MediaTek Dimensity 8400 vs MediaTek Helio G81
45.9CPU20
46.1GPU—
71.7Benchmarks21.5
73.8Efficiency44.2
6 spec wins — MediaTek Dimensity 84001 spec wins — MediaTek Helio G81
InnoReviews verdict
MediaTek Dimensity 8400 wins this mobile chipset face-off, 56.3 to 26, pulling ahead mainly in benchmarks (+50) and efficiency (+30). MediaTek Helio G81 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 20
- Stronger benchmarks score: 72 vs 22
- Stronger efficiency score: 74 vs 44
- 635% higher AnTuTu 10: 1,946,644 vs 265,000
- 378% higher Geekbench 6 (multi): 6,400 vs 1,340
Reasons to pick the MediaTek Helio G81
- 17% lower TDP (typical): 5 W vs 6 W
General
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G81 |
|---|---|---|
| Announced | 2024 | 2024 |
| Process | 4 nm+67% | 12 nm |
| TDP (typical) | 6 W | 5 W+17% |
| Architecture | Armv9.2 | Armv8.2 |
CPU
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G81 |
|---|---|---|
| Cores | 8 | 8 |
| Core configuration | 1x3.25 GHz Cortex-A725 + 3x3.0 GHz Cortex-A725 + 4x2.1 GHz Cortex-A725 | 2x2.0 GHz Cortex-A75 + 6x1.8 GHz Cortex-A55 |
| Max clock | 3.25 GHz+63% | 2 GHz |
GPU
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G81 |
|---|---|---|
| GPU | Arm Mali-G720 MC7 | Arm Mali-G52 MC2 |
AI
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G81 |
|---|---|---|
| NPU | MediaTek NPU 880 | — |
Memory
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G81 |
|---|---|---|
| Memory type | LPDDR5X-8533 | LPDDR4X-1800 |
| Max bandwidth | 68.3 GB/s+374% | 14.4 GB/s |
Connectivity
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G81 |
|---|---|---|
| Modem | Integrated 5G modem | Integrated LTE Cat-7 |
| Max download | 5.2 Gbps | — |
| Wi-Fi | Wi-Fi 6E | Wi-Fi 5 |
| Bluetooth | 5.4 | 5.0 |
Media
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G81 |
|---|---|---|
| Max display | — | FHD+ @ 90Hz |
| Video capture | 4K@60fps | 2K@30fps |
Benchmarks
| Spec | MediaTek Dimensity 8400 | MediaTek Helio G81 |
|---|---|---|
| AnTuTu 10 | 1,946,644+635%Top 12% | 265,000Top 86% |
| Geekbench 6 (single) | 1,450+245%Top 28% | 420Top 84% |
| Geekbench 6 (multi) | 6,400+378%Top 16% | 1,340Top 88% |
| 3DMark Wild Life Extreme | 3,400Top 32% | — |
| AnTuTu 10 (CPU) | 560,176Top 32% | — |
| AnTuTu 10 (GPU) | 642,040Top 23% | — |
| AnTuTu 10 (Memory) | 339,619Top 23% | — |
| AnTuTu 10 (UX) | 404,809Top 32% | — |
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