Intel Core 7 253PTE socket: LGA 1700

The Intel Core 7 253PTE uses the LGA 1700 socket. It is the 45 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
45 W
Segment
Embedded
Clocks
1.8 / 5.4 GHz

Intel Core 7 253PTE specifications

Cores10 (10 Performance-cores, no Efficient-cores)
Threads20
P-core clocks1.8 GHz base, up to 5.2 GHz turbo (up to 5.4 GHz Thermal Velocity Boost)
Cache33 MB Intel Smart Cache (L3)
Processor base power (TDP)45 W
Suffix meaningPTE marks the 45 W embedded class (PE is 65 W, PQE is 125 W)
Manufacturing processIntel 7
Memory supportDDR5 up to 5600 MT/s or DDR4 up to 3200 MT/s, two channels, up to 192 GB
PCI Express20 lanes from the CPU: PCIe 5.0 x16 (or 2 x8) plus PCIe 4.0 x4
Integrated graphicsIntel UHD Graphics 770 (32 execution units, 300 MHz to 1.65 GHz)
ECC memoryYes
PackageFCLGA1700 (45.0 × 37.5 mm)
Launch price$384 (Intel RCP, tray)

Motherboard compatibility

Intel Core 7 253PTE 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

TypeLGA, 1,700 contacts
Package size45.0 × 37.5 mm
IntroducedNovember 2021
MemoryDDR4 or DDR5, set by the motherboard (one type per board)
Cooler mounting holes78 × 78 mm

Read the full LGA 1700 socket guide

What the Core 7 253PTE is

The Intel Core 7 253PTE brings ten Performance-cores into a 45 W envelope, the efficiency end of the Bartlett Lake ten core set launched under Core Series 2 in the first quarter of 2026. Hyper-Threading turns those cores into 20 threads sharing 33 MB of Intel Smart Cache, with no Efficient-cores anywhere in the design. Base frequency is 1.8 GHz, Performance-core turbo reaches 5.2 GHz, and Thermal Velocity Boost peaks at 5.4 GHz on the Intel 7 process. Tray pricing is set at a $384 recommended customer price.

Low base power with high peak boost is a deliberate edge combination. Cabinets with weak airflow or high ambient temperatures cap sustained draw, yet interactive sessions, firmware builds and failover events still benefit from brief excursions to 5.4 GHz. The ten cores hold the same 33 MB cache as their 65 W and 125 W relatives, so working sets that fit one ten core SKU fit them all.

Where the twelve core PTE part serves dense aggregation, the ten core PTE part suits distributed nodes that repeat by the hundred. Kiosk controllers, compact gateway boxes and in vehicle cabinets value per node cost and heat over maximum thread count. Family wide Time Coordinated Computing and Time Sensitive Networking support keeps such fleets on deterministic schedules.

Socket and motherboard compatibility

FCLGA1700 packaging places the chip in LGA 1700, but startup depends on industrial firmware. W680 and Q670 class boards are the usual hosts, with R680E, Q670e, H610E and H610 variants also recorded for the family. Even at 45 W the SKU must be named on the board support list, since vendors qualify thermal and power behavior per part.

Retail desktop firmware excludes the whole family. ASRock confirmed its consumer LGA 1700 boards including Z790 will not gain Bartlett Lake support, reserving the processors for embedded motherboards, industrial computers and touchscreen devices. A board that cannot identify its processor never reaches memory training, and physical compatibility changes nothing about that. The consumer line on this socket closes with the 14th Gen.

Compact industrial boards pair well with a 45 W ten core, especially where passive or low airflow cooling is mandated. Check the board thermal guide for the exact SKU rather than assuming any 45 W processor qualifies. The Socket vs chipset: what decides whether a CPU works guide explains the chipset and BIOS pairing behind support lists.

Memory, PCIe and cooling

Two channel memory runs DDR5 to 5600 MT/s or DDR4 to 3200 MT/s to 192 GB with ECC, decided by the board slots. Low power nodes still profit from ECC where unattended uptime matters, and DDR4 variants stretch existing memory stocks. Bandwidth demands stay modest at ten cores, so capacity and error coverage usually outrank raw speed in planning.

The processor contributes 20 lanes, sixteen PCIe 5.0 and four PCIe 4.0, plus eight DMI 4 lanes to the chipset. A single fast network port or capture card plus NVMe storage covers most gateway and controller layouts. Intel UHD Graphics 770 with 32 execution units at 300 MHz to 1.65 GHz drives four displays, so local maintenance screens need no add in card.

Cooling design centers on sustained draw in a warm enclosure rather than boost peaks. No tray cooler is included, and the 78 mm LGA 1700 pattern from the CPU cooler compatibility by socket guide governs heatsink choice. Low profile industrial sinks handle 45 W comfortably where cabinet air keeps moving.

Upgrade paths

The family ladder on a validated board runs both directions. From the 253PTE, hotter SKUs up to the 125 W ten core add sustained frequency where cabinets allow, while the eight core PTE parts cut further for minimal nodes. Keep memory and chassis across the move and recheck the support list entry.

Desktop silicon shares only the socket outline. The Intel Core i5-14400 runs Raptor Lake Refresh firmware on consumer 600 and 700 series boards, a world the 253PTE never enters and vice versa. Spare boards and processor stock must stay inside their own line.

Full platform replacement means a newer embedded socket with board and memory qualified together, traced with the How to find your CPU socket type guide. Until then the 253PTE keeps serving low power fleets for the multi year windows industrial vendors promise.

Frequently asked questions

What socket does the Intel Core 7 253PTE use?

It uses LGA 1700, marked FCLGA1700 in Intel documents. Only industrial boards with firmware support start with it.

Can I install the 253PTE in a consumer H770 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.

What does the PTE suffix mean?

PTE marks the 45 W embedded power class, the lowest of the three. PE parts run at 65 W and PQE parts at 125 W on the same socket.

What memory does the 253PTE support?

It uses DDR5 to 5600 MT/s or DDR4 to 3200 MT/s over two channels to 192 GB with ECC, fixed by the board slots. Compact low power nodes still benefit from ECC where they run unattended.

Sources and verification

  1. Intel Core 7 processor 253PTE specifications (Intel)
  2. Intel keeps socket LGA 1700 alive with new P-core-only Bartlett Lake CPUs (Tom's Hardware)
  3. Bartlett Lake, Intel's P-Core Only CPUs: Models and Specs (HWCooling)
  4. Intel Bartlett Lake-S Will Not Be Supported on LGA 1700 Motherboards (eTeknix)

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