Intel Core i3-7100 socket: LGA 1151
The Intel Core i3-7100 uses the LGA 1151 socket on revision 1 boards with 100 and 200 series chipsets. It is a dual core chip with Hyper-Threading at 3.9 GHz for office towers.
- Socket
- LGA 1151 (revision 1)
- Launched
- January 2017
- Cores and threads
- 2 and 4
- Base power
- 51 W
- Codename
- Kaby Lake
- Segment
- Desktop
- Family
- Intel Core i3
- Clocks
- 3.9 / 3.9 GHz
Intel Core i3-7100 specifications
| Cores | 2 |
|---|---|
| Threads | 4 |
| Core architecture | Kaby Lake on 14 nm |
| Clocks | 3.9 GHz base, no Turbo Boost |
| Cache | 3 MB Intel Smart Cache |
| Processor base power (TDP) | 51 W |
| Manufacturing process | 14 nm |
| Memory support | DDR4-2133/2400 and DDR3L 1333/1600, two channels, up to 64 GB |
| PCI Express | PCIe 3.0, 16 lanes from the CPU |
| Integrated graphics | Intel HD Graphics 630 (350 MHz base, up to 1100 MHz) |
| Multiplier | Locked |
| Package | FCLGA1151 (37.5 × 37.5 mm) |
Motherboard and chipset compatibility
Intel Core i3-7100 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 | Not supported |
| 300 series: H310, B360, H370, Q370, Z370 | Z370, H370, B360, H310, Q370 | Not supported |
| 200 series | Z270, H270, B250, Q270, Q250 | Works out of the box |
| 100 series | Z170, H170, B150, H110, Q170, Q150 | Needs a BIOS update Needs a BIOS update before a 7th Gen processor will start. |
Board makers publish a CPU support list for every model. Check it for your exact board before buying. Chipset details for LGA 1151.
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 i3-7100 is
The Core i3-7100 is a two core, four thread desktop processor from Kaby Lake. It launched in January 2017 with a fixed 3.9 GHz at 51 W. Two cores with Hyper-Threading cover office towers where high dual core clocks help responsive desktops.
Three megabytes of Smart Cache feed office multitasking. The fixed 3.9 GHz gives strong single thread pace for documents and browsing. Fifty one watts fit stock tower cooling.
HD Graphics 630 from 350 MHz to 1100 MHz drives office monitors with 4K output. Hardware decode keeps video smooth. The chip suits volume office fleets.
On 14 nm the 7100 was the entry i3 of Kaby Lake above Pentium threads. Intel listed it near $117 tray pricing. Locked multiplier keeps tuning out.
Socket and motherboard compatibility
The 7100 fits LGA 1151 revision 1 only. B250 and H270 accept it natively, while H110 may need a BIOS update. Revision 2 boards never support it.
The Socket vs chipset: what decides whether a CPU works guide explains revision gaps. Office B250 boards pair it with DDR4 for quiet towers.
The Core i3-7300 on the same socket adds 1 MB cache and 100 MHz. The low power 7100T is the 35 W alternative for small cases.
Memory, PCIe and cooling
DDR4-2133/2400 or DDR3L up to 64 GB in two channels is the support. Dual channel DDR4-2400 near 38.4 GB per sec helps graphics. Two modules are preferred.
Sixteen PCIe 3.0 lanes wire graphics or NVMe storage. Office builds use integrated displays. SSDs transform feel more than 100 MHz.
Fifty one watts work with stock coolers on the 75 mm pattern shared with LGA 1155, 1150 and LGA 1200.
Upgrade paths
On the same socket Core i3-7300 series adds cache, while Core i5-7400 brings four cores. Both reuse board and DDR4.
Past revision 1 a new board is required. Graphics card additions help entry gaming more than CPU swaps.
Frequently asked questions
What socket does the Core i3-7100 use?
It uses LGA 1151 revision 1 on 100 and 200 series boards.
How many cores does the i3-7100 have?
Two cores with four threads at a fixed 3.9 GHz and 51 W.
What graphics are in the i3-7100?
Intel HD Graphics 630 from 350 MHz to 1100 MHz.
When did the i3-7100 launch?
January 2017 with the Kaby Lake desktop lineup.
Sources and verification
Facts last checked against these sources on . Page last edited on .