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QNAP TS-653B vs QNAP TS-AI642
The quick verdict
- Lower power drawQNAP TS-AI642draws 33.3 W, 7 W less than the TS-653B
- Leads on more specsQNAP TS-AI6426 of 10 differing specs (CPU cores 8, base RAM 8 GB)
- Best forTS-653B for people who keep movies and photos at homeTS-AI642 for small offices sharing files
Rankings and scores come from the specs alone and are not affected by affiliate commissions.
Spec ruler
In short
Bottom line. Of the 10 specs that differ, the QNAP TS-653B leads on 3 (boost clock, USB ports, and weight) and the QNAP TS-AI642 on 6 (CPU cores, base RAM, max LAN speed, and 3 more); 1 is within 2%. On our home media server index, the TS-653B scores 96/100 against 80/100.
Using the 13 specs published on QNAP's official hardware specification pages, here is how the QNAP TS-653B and QNAP TS-AI642 compare. CPU cores: the TS-AI642 at 8 cores versus 4 cores for the TS-653B, 4 cores more (2.0x). Among 204 QNAP models, the TS-AI642 ranks in the top 3% and the TS-653B in the top 22%. The TS-653B leads on boost clock, 2.3 GHz to 2.2 GHz. Among 201 QNAP models, the TS-653B ranks in the bottom 44% and the TS-AI642 in the bottom 37%. On base RAM, the TS-AI642 posts 8 GB and the TS-653B 4 GB, a gap of 4 GB. Among 219 QNAP models, the TS-AI642 ranks in the top 23% and the TS-653B in the bottom 47%. Max LAN speed: the TS-AI642 at 2.5 Gbps versus 1 Gbps for the TS-653B, 1.5 Gbps higher (2.5x). Among 219 QNAP models, the TS-AI642 ranks in the bottom 48% and the TS-653B in the bottom 22%.
Key differences 3
Max LAN speedTS-AI642 leads
- TS-AI642 2.5 Gbps vs the TS-653B at 1 Gbps
- the TS-AI642 is 2.5x faster
- among 219 QNAP models: TS-AI642 in the bottom 48%, TS-653B in the bottom 22%
100 GB copy: about 5 min vs about 13 min (theoretical)
CPU coresTS-AI642 leads
- TS-AI642 8 cores vs the TS-653B at 4 cores
- the TS-AI642 has 2.0x the CPU cores
- among 204 QNAP models: TS-AI642 in the top 3%, TS-653B in the top 22%
8 cores for backups and transcodes at once
Base RAMTS-AI642 leads
- TS-AI642 8 GB vs the TS-653B at 4 GB
- the TS-AI642 has 2.0x the base RAM
- among 219 QNAP models: TS-AI642 in the top 23%, TS-653B in the bottom 47%
8 GB out of the box for several apps
Key specs at a glance
| Spec | TS-653B | TS-AI642 |
|---|---|---|
| Max LAN speed | 1 Gbpsbottom 22% | 2.5 GbpsWINbottom 48% |
| CPU cores | 4top 22% | 8WINtop 3% |
| Base RAM | 4 GBbottom 47% | 8 GBWINtop 23% |
| LAN ports | 2bottom 38% | 3WINbottom 48% |
| Warranty | 2 yrbottom 35% | 3 yrWINtop 7% |
| Weight | 3.02 kgWINtop 21% | 4.4 kgtop 28% |
Show every spec
| Spec | TS-653B | TS-AI642 |
|---|---|---|
| Drive bays | 6bottom 43% | 6bottom 43% |
| CPU cores | 4top 22% | 8WINtop 3% |
| Boost clock | 2.3 GHzWINbottom 44% | 2.2 GHzbottom 37% |
| Base RAM | 4 GBbottom 47% | 8 GBWINtop 23% |
| Max RAM | 8 GBbottom 25% | 8 GBbottom 25% |
| Max LAN speed | 1 Gbpsbottom 22% | 2.5 GbpsWINbottom 48% |
| LAN ports | 2bottom 38% | 3WINbottom 48% |
| M.2 slots | 0bottom 46% | – |
| PCIe slots | 1top 49% | 1top 49% |
| USB ports | 5WINtop 18% | 4top 35% |
| Weight | 3.02 kgWINtop 21% | 4.4 kgtop 28% |
| Volume | 8.92 Ltop 32% | 8.78 Ltop 27% |
| Operating power | 40.3 Wtop 29% | 33.3 WWINtop 24% |
| Warranty | 2 yrbottom 35% | 3 yrWINtop 7% |
| Metric (0–100) | TS-653B | TS-AI642 |
|---|---|---|
| Performance percentile | 17.2 | 57.3WIN |
| Lightness percentile | 79.1WIN | 72 |
| Compactness percentile | 68.5 | 72.7WIN |
| Home media server fit | 96WIN | 80 |
| Small office fit | 54 | 74WIN |
| 10GbE video editing fit | 23 | 31WIN |
| Low-power compact 24/7 fit | 50 | 56WIN |
The details
How to choose
- Weight matters most → the TS-653B (3.02 kg vs 4.4 kg)
- Max LAN speed matters most → the TS-AI642 (2.5 Gbps vs 1 Gbps)
More TS-653B leads
- Weight: 3.02 kg vs 4.4 kg
- USB ports: 5 ports vs 4 ports
- Boost clock: 2.3 GHz vs 2.2 GHz
More TS-AI642 leads
- LAN ports: 3 ports vs 2 ports
- Warranty: 3 years vs 2 years
- Operating power: 33.3 W vs 40.3 W
Combined metrics
- Total built-in LAN bandwidth (sum of port speeds): TS-AI642 4.5 Gbps vs 2 Gbps
- Operating power per bay: TS-AI642 5.56 W vs 6.72 W
Combined metrics
- Weight per bay: TS-653B 0.5 kg vs 0.73 kg
- Memory headroom (max minus base): TS-653B 4 GB vs 0 GB
Within 2%
- Volume: TS-653B 8.92 L, TS-AI642 8.78 L
Same on both
- drive bays 6, max RAM 8 GB, PCIe slots 1
Use-case scores
- Home media server: TS-653B 96 vs 80
- Small-office file server: TS-AI642 74 vs 54
Use-case scores
- 10GbE video editing: TS-AI642 31 vs 23
- Low-power compact 24/7 use: TS-AI642 56 vs 50
Use-case scores are Specotomy's own index, computed by fixed rules from official manufacturer specs; they are not manufacturer scores.
FAQ
- Which has the faster built-in LAN, the QNAP TS-653B or the QNAP TS-AI642?
- The TS-AI642, with 2.5 Gbps against 1 Gbps for the TS-653B.
- Which draws less power, the QNAP TS-653B or the QNAP TS-AI642?
- The TS-AI642, with 33.3 W against 40.3 W for the TS-653B.
- Which is lighter, the QNAP TS-653B or the QNAP TS-AI642?
- The TS-653B, with 3.02 kg against 4.4 kg for the TS-AI642.
- Which use cases suit the QNAP TS-653B and the QNAP TS-AI642?
- A home media server: the TS-653B. A small-office file server: the TS-AI642. Low-power compact 24/7 use: the TS-AI642. (based on our own use-case index)