MediaTek Dimensity 6400 vs Qualcomm Snapdragon 665
26.3CPU20
21.3GPU—
—Benchmarks20
36Efficiencyspec-based46.7
5 spec wins — MediaTek Dimensity 64000 spec wins — Qualcomm Snapdragon 665
InnoReviews verdict
This one is close to a dead heat: MediaTek Dimensity 6400 scores 26.6 against 26.2 for Qualcomm Snapdragon 665. Pick by the categories that matter to you — MediaTek Dimensity 6400 edges ahead in CPU, or by price.
Which would you pick?
Key differences
Reasons to pick the MediaTek Dimensity 6400
- Stronger CPU score: 26 vs 20
- 140% higher Geekbench 6 (single): 792 vs 330
- 57% higher Geekbench 6 (multi): 2,041 vs 1,300
- 45% lower process: 6 nm vs 11 nm
- 25% higher Max clock: 2.5 GHz vs 2 GHz
Reasons to pick the Qualcomm Snapdragon 665
No decisive spec advantages — this side competes on price and preference.
General
| Spec | MediaTek Dimensity 6400 | Qualcomm Snapdragon 665 |
|---|---|---|
| Announced | 2025 | 2019 |
| Process | 6 nm+45% | 11 nm |
| TDP (typical) | — | 4 W |
| Architecture | Armv8.2 | Armv8 |
CPU
| Spec | MediaTek Dimensity 6400 | Qualcomm Snapdragon 665 |
|---|---|---|
| Cores | 8 | 8 |
| Core configuration | 2x2.5 GHz Cortex-A76 + 6x2.0 GHz Cortex-A55 | 4x2.0 GHz Kryo 260 Gold (Cortex-A73) + 4x1.8 GHz Kryo 260 Silver |
| Max clock | 2.5 GHz+25% | 2 GHz |
GPU
| Spec | MediaTek Dimensity 6400 | Qualcomm Snapdragon 665 |
|---|---|---|
| GPU | Arm Mali-G57 MC2 | Qualcomm Adreno 610 |
AI
| Spec | MediaTek Dimensity 6400 | Qualcomm Snapdragon 665 |
|---|---|---|
| NPU | — | Qualcomm Hexagon 686 |
Memory
| Spec | MediaTek Dimensity 6400 | Qualcomm Snapdragon 665 |
|---|---|---|
| Memory type | LPDDR4X-4266 | LPDDR4X-1866 |
| Max bandwidth | — | 14.9 GB/s |
Connectivity
| Spec | MediaTek Dimensity 6400 | Qualcomm Snapdragon 665 |
|---|---|---|
| Modem | Integrated 5G modem (3GPP Release 16) | Snapdragon X12 LTE |
| Max download | 3.3 Gbps | — |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.2 | 5.0 |
Media
| Spec | MediaTek Dimensity 6400 | Qualcomm Snapdragon 665 |
|---|---|---|
| Max display | FHD+ @ 120Hz | FHD+ @ 60Hz |
| Video capture | — | 4K@30fps |
Benchmarks
| Spec | MediaTek Dimensity 6400 | Qualcomm Snapdragon 665 |
|---|---|---|
| AnTuTu | — | 250,000 |
| Geekbench 6 (single) | 792+140%Bottom 34% | 330Bottom 9% |
| Geekbench 6 (multi) | 2,041+57%Bottom 32% | 1,300Bottom 10% |
| 3DMark Wild Life Extreme | 356Bottom 6% | — |
Related comparisons
MediaTek Dimensity 6400vs Qualcomm Snapdragon 835VSMediaTek Dimensity 6400vs Qualcomm Snapdragon 675VSMediaTek Dimensity 6400vs MediaTek Helio G35VSMediaTek Dimensity 6400vs MediaTek Helio P35VSQualcomm Snapdragon 665vs MediaTek Helio G85VSQualcomm Snapdragon 665vs Qualcomm Snapdragon 439VSQualcomm Snapdragon 665vs Qualcomm Snapdragon 450VSQualcomm Snapdragon 665vs Qualcomm Snapdragon 460VS