Intel Core i5-9600T socket: LGA 1151
The Intel Core i5-9600T uses the LGA 1151 socket on revision 2 boards. It is a locked 35 W six-core chip for efficient desktops and compact towers on 300 series boards.
- Socket
- LGA 1151 (revision 2)
- Launched
- April 2019
- Cores and threads
- 6 and 6
- Base power
- 35 W
- Codename
- Coffee Lake Refresh
- Segment
- Desktop
- Family
- Intel Core i5
- Clocks
- 2.3 / 3.9 GHz
Intel Core i5-9600T specifications
| Cores | 6 |
|---|---|
| Threads | 6 (no Hyper-Threading) |
| Core architecture | Skylake based cores on 14 nm |
| Clocks | 2.3 GHz base, up to 3.9 GHz (Turbo Boost 2.0) |
| Cache | 9 MB Intel Smart Cache (L3) |
| Processor base power (TDP) | 35 W (25 W cTDP down at 1.8 GHz) |
| Manufacturing process | 14 nm |
| Memory support | DDR4 up to 2666 MT/s, two channels, up to 128 GB |
| PCI Express | 16 lanes from the CPU, PCIe 3.0 |
| Integrated graphics | Intel UHD Graphics 630 (350 MHz to 1.15 GHz) |
| Multiplier | Locked |
| ECC memory | Not supported |
| Package | FCLGA1151 |
Motherboard and chipset compatibility
Intel Core i5-9600T needs a motherboard with a LGA 1151 socket. The table shows which chipset series accept it.
| Series | Chipsets | Support |
|---|---|---|
| 300 series: B365 and Z390 | Z390, B365 | Works out of the box |
| 300 series: H310, B360, H370, Q370, Z370 | Z370, H370, B360, H310, Q370 | Needs a BIOS update Needs a BIOS update before a 9th Gen processor will start. Check the board maker's CPU support list. |
| 200 series | Z270, H270, B250, Q270, Q250 | Not supported |
| 100 series | Z170, H170, B150, H110, Q170, Q150 | Not supported |
Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for LGA 1151.
Recommended GPU pairing
| Recommended tier | Mid-range 1080p |
|---|---|
| Example GPUs | GeForce GTX 1660, Radeon RX 580 |
| Target resolution | 1080p high settings |
Six physical cores with boost to 3.9 GHz, 16 PCIe 3.0 lanes and DDR4-2666 line up with mid-range 1080p cards from 2019. A faster card still works and the balance shifts with game, settings and resolution.
This is a rough match for a new build at the stated resolution, not a limit. A faster card still works and helps at higher resolutions or in games that load the GPU more than the CPU. A slower card is fine for lighter games and office use. The exact balance shifts with the game, the settings and the resolution, so no percentage is given.
LGA 1151 at a glance
| Type | LGA, 1,151 contacts |
|---|---|
| Package size | 37.5 × 37.5 mm |
| Introduced | August 2015 |
| Memory | DDR4 on most boards (some early boards use DDR3L). DDR4 only on the second revision |
| Cooler mounting holes | 75 × 75 mm |
What the Core i5-9600T is
The Core i5-9600T is the low power six-core i5 that Intel released in the second quarter of 2019. Its cores run 2.3 GHz base with Turbo Boost 2.0 reaching 3.9 GHz when cooling and power delivery allow. Like the rest of the 9th Gen i5 range it has no Hyper-Threading, so six cores give six threads.
The low base clock with a high single-thread boost is the classic T series tradeoff. Lightly threaded tasks such as web browsing still reach near desktop speed, while all-core loads settle lower to hold the 35 W envelope. Cache is 9 MB of shared L3, matching the other 9th Gen i5 chips.
Intel UHD Graphics 630 runs from 350 MHz to 1.15 GHz for office displays and video playback. The multiplier is locked and the chip is built on the 14 nm process. A configurable TDP down to 25 W at 1.8 GHz serves very small enclosures.
Socket and motherboard compatibility
The 9600T fits the LGA 1151 socket on revision 2 boards only. Z390 and B365 boards accept it with the shipping BIOS, while Z370, H370, B360, H310 and Q370 boards may need a BIOS update carrying 9th Gen support. Revision 1 boards with 100 or 200 series chipsets never support it.
B360 and H370 mini boards are the expected pairing for an efficient six-core build with digital outputs and M.2 storage. H310 works for basic office boxes. Z series boards add memory profiles and ports but no extra speed on a locked chip.
Confirm the minimum BIOS on the maker CPU support list before fitting the chip to early 300 series stock. The Socket vs chipset: what decides whether a CPU works guide covers the revision split that makes this check matter.
Memory, PCIe and cooling
The memory controller supports DDR4 up to 2666 MT/s over two channels with a ceiling of 128 GB. Two matched modules open dual-channel mode and feed six cores better than a single module. ECC memory is not supported on this desktop chip.
Sixteen PCIe 3.0 lanes carry one discrete card at full width, which is where a mid-range 1080p card fits for gaming in an efficient tower. Fast NVMe storage can use chipset lanes instead when a card occupies the slot. Cooling follows the 75 mm LGA 1151 pattern from the CPU cooler compatibility by socket guide.
At 35 W a low profile cooler runs quietly, though short boost periods still want some airflow over the socket area. The 25 W cTDP down mode at 1.8 GHz suits sealed builds that trade speed for silence. Keep the intake clear so boost clocks hold longer under load.
Upgrade paths
In the same socket, the Intel Core i5-9400 raises the base clock to 2.9 GHz at 65 W for standard towers with the same six cores. The Core i5-9600 pushes further to 3.1 GHz base and 4.6 GHz boost for desks that need full speed. Both reuse board, memory and cooler.
Above that, the Intel Core i7-9700 brings eight cores and the Intel Core i9-9900K marks the ceiling of revision 2. Each step up raises power draw, so the cooler and the board power stages need a fresh look.
Past LGA 1151 a new board is required since LGA 1200 processors do not fit. The 9600T suits efficient rooms where six cores must sip power, and an upgrade only pays off when sustained speed matters more than silence.
Frequently asked questions
What socket does the Intel Core i5-9600T use?
It uses LGA 1151 on revision 2 boards with 300 series chipsets, written FCLGA1151 in Intel documents.
What is the difference between the 9600T and the 9600?
The 9600T runs 2.3 GHz base to 3.9 GHz boost at 35 W, while the 9600 runs 3.1 GHz base to 4.6 GHz boost at 65 W. Both share 9 MB of cache and UHD 630 graphics.
Which graphics card pairs with the 9600T?
Mid-range 1080p cards such as the GeForce GTX 1660 and Radeon RX 580 suit gaming builds, while the integrated graphics cover office displays.
What memory does the 9600T support?
Officially up to DDR4-2666 over two channels, with a 128 GB ceiling. ECC memory is not supported on this desktop chip.
Is the 9600T still responsive for everyday tasks?
Yes. Six cores reach 3.9 GHz on lightly threaded work, so browsing and office tasks feel close to full desktop speed while all-core loads run slower to hold 35 W.
Sources and verification
- Intel Core i5-9600T Processor specifications (Intel)
- Intel Core i5-9600 vs Core i5-9600T comparison (CPU-Monkey)
Facts last checked against these sources on . Page last edited on .