
Lenovo ThinkPad X1 Fold 16 laptop review: Unfolding the future
Intel Core i7-1250U | Intel Iris Xe Graphics G7 96EUs | 16.30" | 1.9 kg
The Intel Core i7-1250U is a mobile CPU for thin and light laptops based on the Alder Lake architecture. It was announced in early 2022 and offers 2 performance cores (P-cores, Golden Cove architecture) and 8 efficient cores (E-cores, Gracemont architecture). The P-cores support Hyper-Threading leading to 12 supported threads when combined with the E-cores. The clock rate ranges from 1.1 to 4.7 GHz on the performance cluster and 0.8 to 3.5 GHz on the efficient cluster. The performance of the E-cores should be similar to old Skylake cores (compare to the Core i7-6700HQ). All cores can use up to 12 MB L3 cache. Compared to the similar Core i7-1260U, the 1250U only offers "Essentials" vPro management features.
Performance
The average 1250U in our database is in the same league as the Ryzen 5 5500U; the i5-1240U, the i7-1260U and the i7-1265U are found close nearby as well.
Thanks to its decent cooling solution and a long-term CPU power limit of 23 W, the Envy x360 13-bf0013dx is among the fastest laptops built around the 1250U that we know of. It can be at least 30% faster in CPU-bound workloads than the slowest system featuring the same chip in our database, as of August 2023.
Features
The integrated memory controller supports various memory types up to DDR5-4800, DDR4-3200, LPDDR5-5200, and LPDDR4x-4267. The Thread Director (in hardware) can support the operating system to decide which thread to use on the performance or efficient cores for the best performance. For AI tasks, the CPU also integrates GNA 3.0 and DL Boost (via AVX2). Quick Sync in version 8 is the same as in the Rocket Lake CPUs and supports MPEG-2, AVC, VC-1 decode, JPEG, VP8 decode, VP9, HEVC, and AV1 decode in hardware. The CPU only supports PCIe 4.0 (x8 for a GPU and two x4 for SSDs).
The integrated graphics adapter is based on the Xe architecture and offers all 96 EUs (Execution Units) operating at up to 0.95 GHz.
The CPU is rated at 9 W base power (TDP, PL1) and 29 W max. Turbo power (PL2) and the whole SoC is manufactured on a 10nm process at Intel, which is known as Intel 7.
Codename | Alder Lake-U | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Series | Intel Alder Lake-M | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Series: Alder Lake-M Alder Lake-U
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Clock Rate | 800 - 4700 MHz | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Level 1 Cache | 928 KB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Level 2 Cache | 9.5 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Level 3 Cache | 12 MB | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Number of Cores / Threads | 10 / 12 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Power Consumption (TDP = Thermal Design Power) | 9 Watt | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Manufacturing Technology | 10 nm | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Max. Temperature | 100 °C | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Socket | BGA1781 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Features | LPDDR4x-4266/LPDDR5-5200 RAM, PCIe 4, Thr. Dir., DL Boost, GNA, vPro Ess., MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, EIST, TM1, TM2, HT, Turbo, SST, AES-NI, RDRAND, RDSEED, SHA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
GPU | Intel Iris Xe Graphics G7 96EUs ( - 950 MHz) | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
64 Bit | 64 Bit support | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Architecture | x86 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Announcement Date | 01/04/2022 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Product Link (external) | ark.intel.com |
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