Intel Xeon Gold 6334 socket: LGA 4189

The Intel Xeon Gold 6334 uses the LGA 4189 socket. It is a 165 W 8-core Ice Lake-SP server processor with very high clocks and ECC memory support.

Socket
LGA 4189
Launched
April 2021
Cores and threads
8 and 16
Base power
165 W
Codename
Ice Lake-SP
Segment
Server
Clocks
3.6 / 3.7 GHz

Intel Xeon Gold 6334 specifications

Cores8
Threads16
Core architectureSunny Cove (Ice Lake-SP)
Clocks3.6 GHz base, up to 3.7 GHz turbo
Cache18 MB
Processor base power (TDP)165 W
Manufacturing process10 nm
Memory supportDDR4 up to 3200 MT/s ECC, 8 channels, up to 4 TB per socket
PCI Express64 PCIe 4.0 lanes per socket
Interconnect3× UPI at 11.2 GT/s
ECC memoryYes
PackageFCLGA4189, 77.5 × 56.5 mm
Sockets supportedUp to 2 sockets

Motherboard compatibility

Intel Xeon Gold 6334 needs a motherboard with a LGA 4189 socket. Chipset by chipset data for this codename is not recorded yet. See the LGA 4189 chipset list and the board maker's CPU support list.

LGA 4189 at a glance

TypeLGA, 4,189 contacts
Package size77.5 × 56.5 mm
IntroducedApril 2020
MemoryDDR4 with ECC, up to 8 channels on Ice Lake-SP and 6 channels on Cooper Lake-SP
Cooler mounting holesBoard specific (server heatsink)

Read the full LGA 4189 socket guide

What the Xeon Gold 6334 is

The Xeon Gold 6334 is an 8-core server processor that Intel released in April 2021 with the Ice Lake-SP range for 2-socket systems. Its Sunny Cove cores run 3.6 GHz base to 3.7 GHz turbo with Hyper-Threading for 16 threads. Cache is 18 MB with 1.25 MB of L2 per core.

The chip trades core count for the highest base clock in its Gold group with an unusually large cache per core. Licensed databases that charge per core gain speed without adding sockets. The 10 nm process pairs 8 channels of DDR4-3200 with 64 PCIe 4.0 lanes.

There is no integrated graphics on this model, so setup relies on board BMC graphics. ECC memory support guards data across long uptime. The socket package is FCLGA4189 at 77.5 × 56.5 mm.

Socket and motherboard compatibility

The 6334 fits the LGA 4189 socket on Whitley boards for Ice Lake-SP. Cedar Island boards for Cooper Lake share the socket name but do not accept this chip, so the board generation must match the processor generation. The server vendor CPU support list names the exact boards for Gold parts.

Two-socket operation is possible with Xeon Gold dual processor parts, though this clock-focused model usually serves latency sensitive roles. A buyer paying per-core licensing should weigh 8 fast cores against 16 slower ones at similar system cost.

Check memory population rules for 2-socket boards when ordering. Sixteen DIMM slots per socket is the platform shape, and both sockets should match in capacity and speed.

Memory, PCIe and cooling

The memory controller supports DDR4 up to 3200 MT/s in 8 channels, up to 4 TB per socket, with ECC support. Licensed nodes use RDIMM pairs across all channels for bandwidth with integrity. The controller does not accept DDR5.

The CPU supplies 64 PCIe 4.0 lanes per socket for network cards and NVMe storage. Two-socket boards split lanes across slots and onboard controllers, so the board specifications state which slots reach full speed. Three UPI links at 11.2 GT/s carry socket to socket traffic.

At 165 W, vendor-qualified performance air heatsinks with strong directed chassis airflow are needed. Mounting is board specific with no retail pattern, and the CPU cooler compatibility by socket guide explains why server sockets list no desktop bracket.

Upgrade paths

Against the Intel Xeon Gold 6326, the 6334 trades cores for clocks with more cache per core. The 16-core part suits mixed guests, while this 8-core part suits licensed databases that charge per core. Both share Whitley boards and DDR4-3200 limits.

Moving to LGA 4677 needs new boards and DDR5 memory for Sapphire Rapids generations. The 6334 fits a fast licensed cluster, a latency sensitive database, or a financial node with per-core fees.

For used buyers, the clock-focused Gold part makes sense when per-core speed beats thread count. When density matters most, the 24-core Gold parts give far more threads on the same socket.

Frequently asked questions

What socket does the Intel Xeon Gold 6334 use?

It uses LGA 4189 on Whitley boards for Ice Lake-SP. Cedar Island Cooper boards share the socket name but do not accept it.

How many cores does the Intel Xeon Gold 6334 have?

8 cores with 16 threads, 3.6 GHz base and up to 3.7 GHz turbo, with 18 MB of cache.

What memory does the Intel Xeon Gold 6334 support?

DDR4 up to 3200 MT/s with ECC in 8 channels, up to 4 TB per socket.

What graphics does the Intel Xeon Gold 6334 include?

None on the chip. Setup relies on board BMC graphics.

What is the TDP of the Intel Xeon Gold 6334?

165 W. Performance air heatsinks with strong directed chassis airflow are needed.

Sources and verification

  1. List of Intel Xeon processors Ice Lake-based (Gold 6334 3.6 to 3.7 GHz, 165 W)
  2. Intel Xeon Gold 6334 Processor (Intel ARK)

Facts last checked against these sources on . Page last edited on .