Intel Core 7 253PE socket: LGA 1700
The Intel Core 7 253PE uses the LGA 1700 socket. It is the 65 W ten core of the Bartlett Lake embedded range for industrial and edge systems, and consumer 600 and 700 series boards have no BIOS support for it, so it runs only on industrial boards that list it.
- Socket
- LGA 1700
- Launched
- March 2026
- Cores and threads
- 10 and 20
- Base power
- 65 W
- Codename
- Bartlett Lake
- Segment
- Embedded
- Family
- Intel Core 7
- Clocks
- 2.5 / 5.5 GHz
Intel Core 7 253PE specifications
| Cores | 10 (10 Performance-cores, no Efficient-cores) |
|---|---|
| Threads | 20 |
| P-core clocks | 2.5 GHz base, up to 5.3 GHz turbo (up to 5.5 GHz Thermal Velocity Boost) |
| Cache | 33 MB Intel Smart Cache (L3) |
| Processor base power (TDP) | 65 W |
| Suffix meaning | PE marks the 65 W embedded class (PTE is 45 W, PQE is 125 W) |
| Manufacturing process | Intel 7 |
| Memory support | DDR5 up to 5600 MT/s or DDR4 up to 3200 MT/s, two channels, up to 192 GB |
| PCI Express | 20 lanes from the CPU: PCIe 5.0 x16 (or 2 x8) plus PCIe 4.0 x4 |
| Integrated graphics | Intel UHD Graphics 770 (32 execution units, 300 MHz to 1.65 GHz) |
| ECC memory | Yes |
| Package | FCLGA1700 (45.0 × 37.5 mm) |
| Launch price | $384 (Intel RCP, tray) |
Motherboard compatibility
Intel Core 7 253PE needs a motherboard with a LGA 1700 socket. Chipset by chipset data for this codename is not recorded yet. See the LGA 1700 chipset list and the board maker's CPU support list.
LGA 1700 at a glance
| Type | LGA, 1,700 contacts |
|---|---|
| Package size | 45.0 × 37.5 mm |
| Introduced | November 2021 |
| Memory | DDR4 or DDR5, set by the motherboard (one type per board) |
| Cooler mounting holes | 78 × 78 mm |
What the Core 7 253PE is
The Intel Core 7 253PE covers the mainstream 65 W point of the ten core Bartlett Lake embedded lineup, launched under Core Series 2 in the first quarter of 2026. Ten Performance-cores with Hyper-Threading yield 20 threads, 33 MB of Intel Smart Cache is shared, and Efficient-cores are not present. Clocks run 2.5 GHz base with Performance-core turbo to 5.3 GHz and Thermal Velocity Boost to 5.5 GHz, built on Intel 7 at a $384 tray recommended customer price.
That middle envelope is where most industrial designs land. A 65 W budget fits standard forced air heatsinks without exotic cabinet engineering, while ten full speed cores still absorb virtualized control, inspection and gateway loads with margin. The 2.5 GHz base keeps sustained throughput well above the 45 W class, and short bursts to 5.5 GHz clear interactive and compilation spikes.
Homogeneous cores simplify long lived software images. Every thread offers identical performance, so capacity planning reduces to counting threads instead of weighting core types, and the operating system needs no hybrid policy. Family wide Time Coordinated Computing and Time Sensitive Networking support, with long term servicing contract Windows coverage, suit installations that measure service in years rather than product cycles.
Socket and motherboard compatibility
Packaging is FCLGA1700 for LGA 1700, and only industrial firmware brings the chip up. Typical carriers are W680 and Q670 class boards, joined by R680E, Q670e, H610E and H610 designs documented for the family. Because board vendors qualify power classes individually, the 253PE must appear by name on the support list rather than being assumed from socket fit.
Consumer hardware is fenced off by BIOS policy. ASRock confirmed no Bartlett Lake support across its retail LGA 1700 lineup including Z790, assigning the family to industrial PCs, embedded motherboards and touchscreen equipment. Without processor initialization data in firmware, a retail board stops before POST, and no forthcoming update reverses that position. Desktop builders on LGA 1700 stay with the 14th Gen.
Pick W680 class boards for ECC memory at remote sites and Q670 class boards for centrally managed fleets. The Socket vs chipset: what decides whether a CPU works guide shows why chipset series plus BIOS revision together determine which processors a board accepts.
Memory, PCIe and cooling
DDR5 to 5600 MT/s or DDR4 to 3200 MT/s is supported on two channels to 192 GB, ECC included, with the board fixing the memory generation. DDR4 keeps legacy industrial kits productive, while DDR5 widens headroom for buffering and display tasks. Capacity planning should reserve ECC UDIMMs where W680 class boards expose them.
Twenty processor lanes split into sixteen PCIe 5.0 and four PCIe 4.0, with eight DMI 4 lanes linking the chipset. That layout hosts a fast network interface or accelerator beside NVMe storage in compact edge servers. Intel UHD Graphics 770, with 32 execution units from 300 MHz to 1.65 GHz, serves four displays including 8K DisplayPort output for consoles and signage.
A 65 W rating needs honest continuous duty cooling rather than a desktop tower chosen by label. Tray parts ship cooler free, so the integrator selects a heatsink for the cabinet ambient and duty cycle. The 78 mm LGA 1700 mounting pattern, shared with LGA 1851, is detailed in the CPU cooler compatibility by socket guide.
Upgrade paths
Movement inside the family is straightforward on validated boards. From the 253PE, step up to the 125 W ten core for sustained frequency or to a twelve core for heavier consolidation, or step down to the 45 W ten core where heat budgets tighten. Power delivery, heatsink capacity and the support list gate every move.
Retail processors never cross over. The Intel Core i5-14400 belongs to the Raptor Lake Refresh desktop line for consumer 600 and 700 series boards, running firmware the 253PE cannot use and vice versa. One socket, two disjoint platforms: plan spares and images accordingly.
Leaving LGA 1700 industrial hardware means adopting a newer embedded platform with board and memory validated as a set, found via the How to find your CPU socket type guide. Long supply windows make that a distant event for most 253PE sites.
Frequently asked questions
What socket does the Intel Core 7 253PE use?
It uses LGA 1700, marked FCLGA1700 in Intel documents. Only industrial boards with firmware support start with it.
Can I use the 253PE to extend the life of my consumer LGA 1700 board?
No. ASRock confirmed its consumer LGA 1700 boards, Z790 included, will not receive Bartlett Lake BIOS support. The chip fits the socket physically but the board will not start without the matching firmware.
How are the 10 cores of the 253PE arranged?
Ten Performance-cores with Hyper-Threading give 20 threads over 33 MB of shared L3, with no Efficient-cores. All threads perform identically, which simplifies capacity planning and certification.
Does the 253PE ship with a cooler?
No. Tray supply for system builders includes no boxed cooler. The industrial chassis and heatsink provide cooling, sized for continuous duty at the site temperature.
Sources and verification
- Intel Core 7 processor 253PE specifications (Intel)
- Intel keeps socket LGA 1700 alive with new P-core-only Bartlett Lake CPUs (Tom's Hardware)
- Bartlett Lake, Intel's P-Core Only CPUs: Models and Specs (HWCooling)
- ASRock Bartlett Lake will not run on Z790 despite LGA1700 socket (Guru3D)
Facts last checked against these sources on . Page last edited on .