Intel Xeon X3470 socket: LGA 1156
The Intel Xeon X3470 uses the LGA 1156 socket. It is a 95 W quad core Lynnfield server part at 2.933 GHz with Turbo Boost to 3.6 GHz, Hyper-Threading and 8 MB of L3 cache.
- Socket
- LGA 1156
- Launched
- September 2009
- Cores and threads
- 4 and 8
- Base power
- 95 W
- Codename
- Lynnfield
- Segment
- Server
- Family
- Intel Xeon X
- Clocks
- 2.93 / 3.6 GHz
Intel Xeon X3470 specifications
| Cores | 4 |
|---|---|
| Threads | 8 |
| Core architecture | Lynnfield cores on 45 nm |
| Clocks | 2.933 GHz base, 3.6 GHz Turbo Boost |
| Cache | 1 MB L2 (4 × 256 KB), 8 MB shared L3 |
| Processor base power (TDP) | 95 W |
| Manufacturing process | 45 nm |
| Memory support | DDR3-1333 ECC, two channels |
| PCI Express | PCIe 2.0 x16 from the CPU |
| Integrated graphics | None |
| Multiplier | Locked |
| Package | LGA1156 |
Motherboard and chipset compatibility
Intel Xeon X3470 needs a motherboard with a LGA 1156 socket. The table shows which chipset series accept it.
| Series | Chipsets | Support |
|---|---|---|
| 5 series with graphics | H55, H57, Q57 | Works out of the box |
| P55 performance | P55 | 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 1156.
LGA 1156 at a glance
| Type | LGA, 1,156 contacts |
|---|---|
| Package size | n/a |
| Introduced | September 2009 |
| Memory | DDR3-1066 and 1333, two channels, up to 16 GB |
| Cooler mounting holes | 75 × 75 mm |
What the Xeon X3470 is
The Intel Xeon X3470 is a quad core Lynnfield server processor from September 2009. It runs four Nehalem cores at 2.933 GHz base with Turbo Boost to 3.6 GHz, with Hyper-Threading for eight threads. Each core carries 256 KB of L2 cache with 8 MB of shared L3 cache. Power is rated at 95 W on a 45 nm process.
The X3470 sits below the X3480 with the same 95 W for single socket ECC towers. Benchmark comparisons track it against the X3480 and desktop i7 parts. Against the X3460 it adds base and turbo speed.
Memory is DDR3-1333 ECC in two channels.
Socket and motherboard compatibility
The Xeon X3470 fits LGA 1156 with 1156 lands. Server boards with 3400 series firmware boot it directly.
The socket table covers Lynnfield natively. The Socket vs chipset: what decides whether a CPU works guide covers pairing rules, and the Intel Xeon X3480 page shows the top Xeon 3400 quad.
Memory, PCIe and cooling
Memory is DDR3-1333 ECC UDIMMs in two channels up to 16 GB on server boards.
PCIe 2.0 x16 comes from the CPU package.
Cooling is a server tower rated for 95 W on the 75 × 75 mm pattern.
Upgrade paths
On LGA 1156 the server upgrade is the X3480 on the same board. Beyond LGA 1156 a move to Sandy Bridge Xeon E3 needs a new board.
Frequently asked questions
What socket does the Xeon X3470 use?
LGA 1156, the 1156-land package on server boards with 3400 series firmware.
How many cores does the Xeon X3470 have?
Four cores and eight threads at 2.933 GHz base with Turbo Boost to 3.6 GHz, with 256 KB of L2 per core and 8 MB of shared L3 cache.
What memory works with the Xeon X3470?
DDR3-1333 ECC in two channels.
Sources and verification
Facts last checked against these sources on . Page last edited on .