Qualcomm Snapdragon 855 vs Unisoc T620
30.1CPU25.3
24.9GPU55
42Benchmarks—
29AIspec-based—
32.1Efficiencyspec-based20
2 spec wins — Qualcomm Snapdragon 8551 spec wins — Unisoc T620
InnoReviews verdict
No overall winner yet: Unisoc T620 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 Qualcomm Snapdragon 855
- Stronger CPU score: 30 vs 25
- 42% lower process: 7 nm vs 12 nm
- 29% higher Max clock: 2.84 GHz vs 2.2 GHz
Reasons to pick the Unisoc T620
- Stronger GPU score: 55 vs 25
General
| Spec | Qualcomm Snapdragon 855 | Unisoc T620 |
|---|---|---|
| Announced | 2019 | 2024 |
| Process | 7 nm+42% | 12 nm |
| TDP (typical) | 10 W | — |
| Architecture | Armv8.2 | Armv8.2 |
CPU
| Spec | Qualcomm Snapdragon 855 | Unisoc T620 |
|---|---|---|
| Cores | 8 | 8 |
| Core configuration | 1x2.84 GHz Cortex-A76 + 3x2.42 GHz Cortex-A76 + 4x1.79 GHz Cortex-A55 | 2x2.2 GHz Cortex-A75 + 6x1.8 GHz Cortex-A55 |
| Max clock | 2.84 GHz+29% | 2.2 GHz |
GPU
| Spec | Qualcomm Snapdragon 855 | Unisoc T620 |
|---|---|---|
| GPU | Qualcomm Adreno 640 | Arm Mali-G57 MP1 |
| GPU clock | — | 850 MHz |
AI
| Spec | Qualcomm Snapdragon 855 | Unisoc T620 |
|---|---|---|
| NPU | Qualcomm Hexagon 690 | — |
| AI performance | 7 TOPS | — |
Memory
| Spec | Qualcomm Snapdragon 855 | Unisoc T620 |
|---|---|---|
| Memory type | LPDDR4X-2133 | LPDDR4X-1866 |
| Max bandwidth | 34.1 GB/s | — |
Connectivity
| Spec | Qualcomm Snapdragon 855 | Unisoc T620 |
|---|---|---|
| Modem | Snapdragon X24 LTE | Integrated LTE Cat-7 (DL) / Cat-13 (UL) |
| Wi-Fi | Wi-Fi 5 | Wi-Fi 5 |
| Bluetooth | 5.0 | 5.2 |
Media
| Spec | Qualcomm Snapdragon 855 | Unisoc T620 |
|---|---|---|
| Max display | 4K @ 60Hz | FHD+ @ 90Hz / HD+ @ 120Hz |
| Video capture | 4K@60fps | 1080p@60fps |
Benchmarks
| Spec | Qualcomm Snapdragon 855 | Unisoc T620 |
|---|---|---|
| AnTuTu | 600,000 | — |
| Geekbench 6 (single) | 850Bottom 35% | — |
| Geekbench 6 (multi) | 2,700Bottom 45% | — |
| 3DMark Wild Life Extreme | 800Bottom 15% | — |
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