Intel Core i3-10305T socket: LGA 1200
The Intel Core i3-10305T uses the LGA 1200 socket. It is a locked 35 W 4-core Comet Lake processor for compact office systems, with DDR4 memory throughout.
- Socket
- LGA 1200
- Launched
- March 2021
- Cores and threads
- 4 and 8
- Base power
- 35 W
- Codename
- Comet Lake
- Segment
- Desktop
- Family
- Intel Core i3
- Clocks
- 3.0 / 4.0 GHz
Intel Core i3-10305T specifications
| Cores | 4 |
|---|---|
| Threads | 8 |
| Core architecture | Skylake (Comet Lake) |
| Clocks | 3.0 GHz base, up to 4.0 GHz turbo |
| Cache | 8 MB Intel Smart Cache (L3) |
| Processor base power (TDP) | 35 W |
| 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 (up to 1.10 GHz) |
| Multiplier | Locked |
| Package | FCLGA1200 |
Motherboard and chipset compatibility
Intel Core i3-10305T needs a motherboard with a LGA 1200 socket. The table shows which chipset series accept it.
| Series | Chipsets | Support |
|---|---|---|
| 500 series | Z590, H570, B560, H510, Q570, W580 | Works out of the box |
| 400 series: Z490, H470, Q470, W480 | Z490, H470, Q470, W480 | Works out of the box |
| 400 series: B460, H410 | B460, H410 | Works out of the box |
Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for LGA 1200.
Recommended GPU pairing
| Recommended tier | Entry 1080p |
|---|---|
| Example GPUs | GeForce GTX 1650, Radeon RX 6400 |
| Target resolution | 1080p medium settings |
Four cores with boost to 4.0 GHz, 16 PCIe 3.0 lanes and DDR4 line up with low power 1080p cards from its era. 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 1200 at a glance
| Type | LGA, 1,200 contacts |
|---|---|
| Package size | 37.5 × 37.5 mm |
| Introduced | April 2020 |
| Memory | DDR4 only |
| Cooler mounting holes | 75 × 75 mm |
What the Core i3-10305T is
The Core i3-10305T is a 4-core desktop processor that Intel released in March 2021 with the Comet Lake refresh range. Its Skylake derived cores run 3.0 GHz base to 4.0 GHz turbo with Hyper-Threading for 8 threads. Cache is 8 MB of Intel Smart Cache.
The chip pairs the larger 8 MB cache of the 10300 series with a 35 W envelope for small cases. The extra cache over the 6 MB 10100 series helps office multitasking that reuses data. The 14 nm process and locked multiplier keep cost and heat low for fleets.
Intel UHD Graphics 630 handle display output, with base 350 MHz and boost to 1.10 GHz. The multiplier is locked. The socket package is FCLGA1200 at 37.5 × 37.5 mm.
Socket and motherboard compatibility
The 10305T fits the LGA 1200 socket. Boards with 400 series chipsets (Z490, H470, B460, H410, Q470, W480) accept it with the shipping BIOS. Boards with 500 series chipsets (Z590, H570, B560, H510) also accept it, since the platform keeps Comet Lake support across both series.
Compact office boards with H410 and B460 chipsets pair well when Rocket Lake is not planned. The Intel Q470 chipset compatible list names the 10305T at up to 4.00 GHz with 8 MB cache as a supported part. B560 small boards work as well for new stock.
Check slim case cooler height when fitting tiny towers. The 35 W envelope suits low profile coolers that cannot handle 65 W parts.
Memory, PCIe and cooling
The memory controller supports DDR4 up to 2666 MT/s only. Two channels carry up to 128 GB. Small office builds often used 1 by 8 GB DDR4-2666, with a second stick added for dual channel when integrated graphics drive two displays.
The CPU supplies 16 PCIe 3.0 lanes for graphics and storage through the board. Compact systems without a discrete card still use the slots for network and storage expansion. The board specifications state lane sharing between slots.
At 35 W, a low profile cooler with airflow suffices. Mounting uses the 75 mm LGA 1200 pattern from the CPU cooler compatibility by socket guide. A stock cooler for 35 W parts runs quietly in office use.
Upgrade paths
Against the Intel Core i3-10105, the 10305T trades clocks for cache and lower heat. The 65 W refresh i3 holds higher turbo, while this 35 W part holds 8 MB of cache in slim cases. Both share the same socket but target different chassis.
Moving to LGA 1700 needs a new board, new memory for DDR5 builds, and a new cooler bracket. The 10305T fits a front desk PC, a kiosk, or a classroom terminal with integrated graphics.
For used buyers, the T part makes sense when the chassis limits heat but office work still likes cache. When more speed is needed on the same board, the 65 W 10305 gives higher clocks without changing the platform.
Frequently asked questions
What socket does the Intel Core i3-10305T use?
It uses LGA 1200, written FCLGA1200 in Intel documents.
How many cores does the Intel Core i3-10305T have?
4 cores with 8 threads at 3.0 GHz base and up to 4.0 GHz turbo, with 8 MB of Intel Smart Cache.
What memory does the Intel Core i3-10305T support?
DDR4 up to 2666 MT/s in two channels, up to 128 GB. No DDR5 on this platform.
What graphics does the Intel Core i3-10305T include?
Intel UHD Graphics 630 up to 1.10 GHz for office panels and basic media playback.
What is the TDP of the Intel Core i3-10305T?
35 W. A low profile cooler with airflow suffices in a slim tower.
Sources and verification
- Intel Q470 Chipset compatible list (Intel, 10305T 4.00 GHz)
- Comet Lake Refresh processors (Comet Lake, 10305T 3.0 to 4.0 GHz, 8 MB, 35 W)
Facts last checked against these sources on . Page last edited on .