Intel Xeon E-2274G socket: LGA 1151
The Intel Xeon E-2274G uses the LGA 1151 socket on revision 2 boards with C242 or C246. It is a quad core workstation chip with very high clocks, UHD Graphics P630 and ECC.
- Socket
- LGA 1151 (revision 2)
- Launched
- May 2019
- Cores and threads
- 4 and 8
- Base power
- 83 W
- Codename
- Coffee Lake-S WS
- Segment
- Workstation
- Family
- Intel Xeon E
- Clocks
- 4.0 / 4.9 GHz
Intel Xeon E-2274G specifications
| Cores | 4 |
|---|---|
| Threads | 8 |
| Core architecture | Coffee Lake-S cores on 14 nm |
| Clocks | 4.0 GHz base, up to 4.9 GHz with Turbo Boost 2.0 |
| Cache | 8 MB Intel Smart Cache (L3) |
| Processor base power (TDP) | 83 W |
| Manufacturing process | 14 nm |
| Memory support | DDR4-2666 ECC, two channels, up to 128 GB |
| PCI Express | 16 lanes from the CPU, PCIe 3.0 |
| Integrated graphics | Intel UHD Graphics P630 (350 MHz to 1.2 GHz) |
| Multiplier | Locked |
| ECC memory | Supported |
| Package | FCLGA1151 (37.5 by 37.5 mm) |
Motherboard and chipset compatibility
Intel Xeon E-2274G needs a motherboard with a LGA 1151 socket. The table shows which chipset series accept it.
| Series | Chipsets | Support |
|---|---|---|
| C240 series: C242 and C246 | C246, C242 | 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 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 Xeon E-2274G is
The Xeon E-2274G favors clock speed over core count with four cores and eight threads. It launched in May 2019 with a 4.0 GHz base and up to 4.9 GHz boost at 83 W. Intel aims it at CAD and financial modeling where single thread latency decides feel.
Eight megabytes of Smart Cache sit close to four fast cores for low latency access. The 4.0 GHz base is among the highest in Xeon E-2200, so interactive work rarely waits. Eight threads cover background tasks without adding many cores.
UHD Graphics P630 from 350 MHz to 1.2 GHz handles displays for trading desks and design review stations. The process is 14 nm and the multiplier is locked. ECC memory support keeps long calculations safe from bit flips.
Socket and motherboard compatibility
The E-2274G fits LGA 1151 on revision 2 boards only. C246 boards pair ECC UDIMMs with display outputs for P630. Small form towers use it where a fast quad core with correction beats a larger chip.
Mid 2019 BIOS versions include E-2200 IDs. Early production may need an update. Revision 1 boards never boot it. The Socket vs chipset: what decides whether a CPU works guide explains the generation split.
Single socket operation keeps latency low. There is no second socket, so scaling means more clocks or more cores on the same board.
Memory, PCIe and cooling
DDR4-2666 ECC UDIMMs in two channels up to 128 GB suit latency sensitive desks. Dual channel pairs feed four fast cores with ease. Choose low latency kits where the board manual lists them.
Sixteen Gen3 CPU lanes can hold a workstation GPU or fast storage when P630 covers basic displays. Many trading builds skip discrete graphics entirely and use integrated outputs for multiple monitors. Chipset lanes add the remaining I/O.
Cooling needs an 83 W capable tower despite only four cores, since high clocks concentrate heat. The 75 mm LGA 1151 pattern from the CPU cooler compatibility by socket guide applies. Good case exhaust matters more than cooler size alone.
Upgrade paths
On the same socket, the Intel Xeon E-2288G doubles cores to eight with graphics at 95 W for parallel work. The Intel Xeon E-2276G offers six cores at 80 W as a middle step. Both share C242 and C246 boards.
Consumer i3-9350KF reaches similar clocks without ECC or graphics for gaming. It lacks workstation correction.
Past LGA 1151 newer Xeon E generations need LGA 1200. The E-2274G covers clock-first desks where four fast cores with graphics and ECC must persist.
Frequently asked questions
What socket does the Intel Xeon E-2274G use?
It uses LGA 1151 on revision 2 boards with C242 or C246.
How many cores does the E-2274G have?
Four cores with Hyper-Threading give eight threads. Base is 4.0 GHz with boost to 4.9 GHz.
Does the E-2274G include integrated graphics?
Yes, UHD Graphics P630 from 350 MHz to 1.2 GHz.
What memory does the E-2274G support?
DDR4-2666 ECC UDIMMs in two channels up to 128 GB.
When did the E-2274G launch?
May 2019 with Xeon E-2200.
Sources and verification
- Intel Xeon E-2274G Processor specifications (Intel)
- Intel Xeon E Processor family (Intel)
- Intel Xeon E-2274G specs (TechPowerUp)
Facts last checked against these sources on . Page last edited on .