Qualcomm Snapdragon X X1-26-100 vs Intel Core i3-1210U vs Intel Pentium 8505

Qualcomm Snapdragon X X1-26-100

The 8-core Snapdragon X (X1-26-100) is an affordable ARM architecture processor for use in Windows laptops. Unveiled in Jan 2025, this Qualcomm SoC features 8 Oryon CPU cores running at up to 2.98 GHz, along with the 1.7 TFLOPS X1-45 iGPU and the 45 TOPS Hexagon NPU. The super-fast LPDDR5x-8448 memory controller, USB 4.0 support, TB 4 support and PCIe 4 support are all onboard as well.

Architecture and Features

The Oryon cores (2 clusters of essentially identical cores; 8 threads) are mostly based on Nuvia IP and reportedly make use of the ARM v8.7 microarchitecture. Much like modern AMD and Intel processors, the Snapdragon chip is compatible with USB 4 and thus with Thunderbolt 4 (with no eGPU support).

The X1-26-100 is based on the smaller die codenamed Purwa, unlike most X Elite and some X Plus processors. It is believed to have at least 8 PCIe 4 and 4 PCIe 3 lanes for connecting various kinds of devices. NVMe SSDs are supported with a throughput of up to 7.9 GB/s; furthermore, most laptops built around the chip are expected to have 16 GB of LPDDR5x-8448 RAM. There is also a 45 TOPS NPU present for accelerating AI workloads.

Performance

The CPU should be about 10% slower than its faster brother named X1P-42 due to the latter's higher CPU clock speeds. Generally speaking, a performance level similar to recent U-class Intel Core 5 chips is to be expected.

Graphics

The X1-45 used here delivers up to 1.7 TFLOPS of performance. Unlike the much faster 3.8 TFLOPS and 4.6 TFLOPS X1-85 iGPUs, this little guy here has much fewer unified shaders and runs at lower clock speeds, too. Games put it a little behind the GeForce MX350; this kind of performance is sufficient for older games and sub-900p resolutions only.

AVC, HEVC and AV1 video codecs can be both hardware-decoded and hardware-encoded whereas with VP9, only decoding is possible. The highest monitor resolution supported is UHD 2160p.

Power consumption

Expect to see anything between 15 W and 30 W under long-term workloads depending on the system and the power profile chosen. The number includes RAM power consumption.

The SoC is built with TSMC's N4P process for decent power efficiency, as of H1 2025.

Intel Core i3-1210U

The Intel Core i3-1210U is a low power 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 4 efficient cores (E-cores, Gracemont architecture). The P-cores support Hyper-Threading leading to 8 supported threads when combined with the E-cores. The clock rate ranges from 1 to 4.4 GHz on the performance cluster and 0.7 to 3.3 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 10 MB L3 cache. 

Performance

While we have not tested a single system built around the 1210U as of August 2023, we fully expect its multi-thread performance to be pretty much identical to that of the i3-1215U. Which is pretty fast for an entry-level chip, as of mid 2023.

Your mileage may vary depending on how high the CPU power limits are and how competent the cooling solution of your system is.

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 64 of the 96 EUs (Execution Units) operating at up to 0.9 GHz.

Power consumption

This Core i3 has a Base power consumption of 9 W, with 29 W being its maximum Intel-recommended Turbo power consumption. TDP values that low allow for passively designs as long as performance is not a priority.

The CPU is built with Intel's 3rd generation 10 nm process marketed as Intel 7 for decent, as of early 2023, energy efficiency.

Intel Pentium 8505

The Intel Pentium 8505 is an entry-level mobile CPU for thin and light laptops based on the Alder Lake architecture. It was announced in early 2022 and offers one performance core (P-cores, Golden Cove architecture) and 4 efficient cores (E-cores, Gracemont architecture). The P-cores support Hyper-Threading leading to 6 supported threads when combined with the E-cores. The clock rate ranges from 1.2 to 4.4 GHz on the performance cluster and 0.9 to 3.3 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 8 MB L3-cache. Compared to the faster Core i3-1215U, the Pentium offers one less P-core.

Performance

This is a fairly unpopular CPU, if the fact that we have not tested a single system built around it as of August 2023 is any indication. That said, we have tested a few systems featuring the Core i3-1215U, a chip with the same clock speeds and the same 4 E-cores but with 2 P-cores instead of 1. Based on that, expect the 8505 to be 10% to 20% behind the Ryzen 3 5300U and the Core i7-1185G7, as far as multi-thread benchmark scores are concerned.

Your mileage may vary depending on how competent the cooling solution of your laptop is and how high the CPU power limits are.

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 48 of the 96 EUs (Execution Units) operating at up to 1.1 GHz.

Power consumption

The Pentium has a Base power consumption of 15 W, with 55 W being its maximum Intel-recommended Turbo power consumption. These values are fairly high; passive cooling solutions aren't really an option here.

The CPU is built with Intel's 3rd generation 10 nm process marketed as Intel 7 for decent, as of early 2023, energy efficiency.