9th Gen Intel Core i9 9900T
- iGPU:
- Intel UHD Graphics 630
- Boost/Base Clock:
- 4.4 GHz / 2.1 GHz
- Core/Thread Count:
- 8 Core / 16 Thread
- Cache:
- 16MB L3 + 2MB L2 + 512KB L1
- TDP:
- 35 Watts
- CPU Process Node:
- 14 Nanometers
- CPU Socket:
- LGA 1151
- CPU Series:
- Coffee Lake Refresh
- Memory Support:
- DDR4-2666
- Form Factor:
- Desktop
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Manufacturer: Intel Last updated: September 9, 2026
9th Gen Intel Core i9 9900T Review
The 9th Gen Intel Core i9 9900T is a genuinely low-power desktop variant, an 8-core, 16-thread processor running a considerably lower 2.1 GHz base clock within a 35 Watt TDP, a fraction of the standard i9-9900K's power draw.
This T-suffix variant brings full 8-core, 16-thread capability to small-form-factor and low-power desktop builds where the standard 95W i9-9900K's thermal requirements wouldn't fit.
Intel UHD Graphics 630
A basic integrated GPU intended for display output, appropriate for the low-power, compact desktop builds this T-suffix chip typically targets.
How Is the Core i9 9900T in Terms of Performance
The full 8-core, 16-thread layout at a genuinely low 35W TDP gives this chip strong multi-threaded capability for compact, low-power desktop builds, trading peak clock speed for a dramatically smaller thermal footprint than the standard i9-9900K.
Benchmarks
As a genuine 8-core, 16-thread chip at 35W, this processor delivers solid multi-threaded throughput for small-form-factor builds, with real-world sustained performance naturally trailing the standard 95W i9-9900K given the considerably lower power budget.
Specifications
Identity
| Brand | Intel |
|---|---|
| Product Line | Core i9 |
| Model Number | 9900T |
Segment and platform
| Microarchitecture | Coffee Lake Refresh, 9th Gen Intel Core |
|---|---|
| Socket | LGA 1151 |
| Process Node | 14 nm |
Memory
| Memory Type | DDR4-2666 |
|---|
| Form Factor | Desktop |
|---|---|
| Core/Thread Count | 8 Core / 16 Thread |
| TDP | 35 W |
| iGPU | Intel UHD Graphics 630 |
| Cache | 16MB L3 + 2MB L2 + 512KB L1 |
| Boost/Base Clock | 4.4 GHz / 2.1 GHz |
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Best for
- Small-form-factor and low-power desktop builds wanting genuine 8-core, 16-thread capability at 35W
Not for
- Buyers wanting maximum sustained performance — the standard i9-9900K has far more thermal headroom
FAQs
What are the key specifications of the 9th Gen Intel Core i9 9900T?
The 9th Gen Intel Core i9 9900T is a processor from Intel. Key specs: iGPU Intel UHD Graphics 630, Boost/Base Clock 4.4 GHz / 2.1 GHz, Core/Thread Count 8 Core / 16 Thread, Cache 16MB L3 + 2MB L2 + 512KB L1, TDP 35 Watts.
Will the 9th Gen Intel Core i9 9900T work with my current setup?
The 9th Gen Intel Core i9 9900T lists CPU Socket is LGA 1151. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the 9th Gen Intel Core i9 9900T best suited to?
It suits small-form-factor and low-power desktop builds wanting genuine 8-core, 16-thread capability at 35w.
What are the drawbacks of the 9th Gen Intel Core i9 9900T?
It is a poor fit for buyers wanting maximum sustained performance — the standard i9-9900k has far more thermal headroom.