Quick Verdict
A very strong mobile SoC for AI PCs and premium thin-and-lights, offering excellent CPU multi-thread, a huge iGPU leap and serious NPU performance, though platform PCIe constraints and locked multiplier limit enthusiast tuning.
Overview
Launch
2026
Status
ActiveGeneration
Core Ultra Series 3 (Panther Lake)
Market
Mobile / AI PC
The Intel Core Ultra X7 358H is a 16-core, 16-thread high-end mobile SoC from Intel’s Panther Lake family, built on the Intel 18A compute tile and paired with a 12-Xe3 Intel Arc B390 integrated GPU and a 50 TOPS NPU, targeting thin-and-light AI PCs and premium creator laptops.
The Intel Core Ultra X7 358H is a 16-core / 16-thread mobile SoC from Intel’s Panther Lake generation, manufactured on the Intel 18A compute tile. It features four Cougar Cove P‑cores up to 4.8 GHz, eight Darkmont E‑cores and four low‑power Darkmont LP‑cores, 18 MB of L3 cache and a 25 W configurable base power that can boost up to 80 W.
The integrated Arc B390 GPU with 12 Xe3 cores provides a major graphics uplift over prior Intel iGPUs, while a dedicated NPU delivers up to 50 TOPS of AI performance. It supports dual‑channel LPDDR5X‑9600 up to 96 GB and provides 12 PCIe lanes (Gen5 + Gen4) from the platform controller, making it well suited for premium AI PCs and creator laptops where a discrete GPU is not required.
Specifications
Performance
16 cores and high boost clocks provide strong performance in office, browsing and moderate content creation workloads, with Intel citing up to ~24% better productivity vs older Raptor Lake‑P chips.
16 threads and generous memory support handle light VM workloads well, but platform is not aimed at heavy server‑class virtualization.
Arc B390 iGPU delivers playable 1080p gaming in many titles and significantly outperforms older Intel iGPUs, but is still short of a dedicated mid‑range GPU.
Intel 18A and the 25 W base power enable good efficiency in thin designs; Intel claims Panther Lake can deliver similar performance to Arrow Lake at significantly lower power.
- •Arc B390 with 12 Xe3 cores is a major step up from Arc 140V/Xe2 iGPUs.
- •Fine for 1080p medium/high in many esports and AAA titles with upscaling.
- •Still not a match for a dedicated RTX 4050/4060 laptop GPU at higher settings.
- •NPU 5 with 50 TOPS INT8 and strong GPU AI throughput.
- •Intel shows up to ~5.5× better GPU AI vs older Raptor Lake‑P and large leads vs some AMD Strix Point competitors in Geekbench AI and UL Procyon AI workloads.
- •Well suited for local small‑medium LLMs, AI background effects and image generation.
Architecture
Intel 18A (compute tile); TSMC N3E (12‑Xe3 GPU tile); TSMC N6 (platform controller tile)
Process Node
Panther Lake
Codename
16C / 16T
Core Config
18 MB
L3 Cache
25 W
TDP
Architecture Overview
Panther Lake is a chiplet SoC with separate compute, GPU and platform controller tiles on different process nodes, linked by Intel’s scalable fabric.
CPU Design
The compute tile uses four Cougar Cove P‑cores for burst performance and eight Darkmont E‑cores plus four low‑power Darkmont LP‑cores for background and throughput tasks, with 18 MB shared L3 cache and no Hyper‑Threading.
Memory Subsystem
An on‑package memory controller supports dual‑channel LPDDR5X up to 9600 MT/s and 96 GB, feeding both CPU and iGPU with high bandwidth.
PCIe & I/O
The platform controller tile exposes 12 PCIe lanes (four Gen5, eight Gen4), enough for one NVMe SSD plus some USB4 / Thunderbolt 4 connectivity but fewer lanes than some competitor platforms.
Overclocking
The multiplier is locked; tuning is limited to power limits and memory ratios rather than core overclocking.
- New Intel 18A compute tile for improved performance and efficiency.
- 12‑Xe3 Arc B390 iGPU instead of Xe2‑class Arc 140V/140T.
- NPU 5 with 50 TOPS vs first‑generation NPU in Arrow Lake.
- Higher LPDDR5X data rate (9600 vs 8533 MT/s) and up to 96 GB support.
Key Highlights
- 16 hybrid cores with strong multi‑thread performance for mobile
- Arc B390 iGPU is a huge generational leap over older Intel iGPUs
- 50 TOPS NPU enables serious local AI workloads
- Intel 18A brings improved efficiency and performance over Arrow Lake
- Supports LPDDR5X‑9600 and up to 96 GB memory
- Good balance of performance and power for thin designs
- Only 12 PCIe lanes from the CPU, limiting multi‑GPU / heavy NVMe configs
- Locked multiplier limits enthusiast tuning
- Not intended for desktop‑class sustained workloads at very high TDP
- Platform is still new; early firmware and driver stacks are maturing
- Higher‑end X9 model offers more GPU and CPU headroom in the same family
History
Intel announced Panther Lake as Core Ultra Series 3 at CES 2026, positioning it as the first client SoC family built on Intel 18A and the successor to Arrow Lake‑H and Lunar Lake in the high‑end mobile lineup. The Core Ultra X7 358H sits near the top of the stack, offering 16 CPU cores, a 12‑Xe3 Arc B390 iGPU and a 50 TOPS NPU in a 25–80 W power envelope. Early laptops and mini PCs using the 358H – such as Dell’s XPS 14/16, MSI’s Prestige 14/16 AI+ and Asus’ ExpertBook Ultra – emphasized AI PC experiences, thin designs and strong integrated graphics rather than raw desktop‑class CPU performance.
Intel’s own benchmarks highlighted big gains in GPU and AI workloads versus Arrow Lake and Raptor Lake, while also promoting Panther Lake’s efficiency advantages. Over time, the 358H has become a common choice for OEMs wanting a high‑integration, AI‑capable chip without going all the way to the more expensive X9 388H.
Improvements over Previous Generation
- New Intel 18A compute tile for improved performance and efficiency.
- 12‑Xe3 Arc B390 iGPU instead of Xe2‑class Arc 140V/140T.
- NPU 5 with 50 TOPS vs first‑generation NPU in Arrow Lake.
- Higher LPDDR5X data rate (9600 vs 8533 MT/s) and up to 96 GB support.
Alternatives & Competitors
Should You Buy It?
Recommended for the right buyer
You want a thin‑and‑light AI PC or premium business laptop where strong CPU, iGPU and NPU performance matter more than maximum PCIe expansion or overclocking.
Avoid if…
- You plan to add a high‑end discrete GPU and need many PCIe lanes.
- You want an unlocked CPU for manual overclocking.
- Your workload is heavily CPU‑bound at sustained >65 W in a desktop replacement.
Use Cases
Interesting Facts
Panther Lake is Intel’s first client SoC family built on the Intel 18A process node.
The Arc B390 iGPU with 12 Xe3 cores can approach Xbox Series S‑class gaming performance in some titles at 30 W limits.
Intel’s own benchmarks show up to ~5.5× better GPU AI performance vs Raptor Lake‑P and ~3.5× faster Adobe After Effects workloads.
Some OEMs ship Core Ultra X7 358H in mini PCs and NUCs, not just laptops.
The 358H typically appears with Arc B390 (12 Xe3 cores), while lower Panther Lake SKUs use cut‑down Arc B370 (10 Xe3) or smaller iGPUs.
Despite marketing labels like “2 nm” on some databases, Intel confirms the CPU compute tile is manufactured on Intel 18A.
The NPU 5 is the same generation used across Core Ultra Series 3, scaled to 50 TOPS on the X7 358H.
Panther Lake is designed to be more efficient than Arrow Lake, with Intel claiming up to ~40% lower power for similar multi‑thread performance.
The 16‑core / 16‑thread configuration omits SMT entirely, relying on heterogeneous cores instead.
LPDDR5X‑9600 support gives roughly double the theoretical memory bandwidth of DDR5‑4800 platforms.
People Also Ask
Is Intel Core Ultra X7 358H good for gaming?
It is surprisingly capable for integrated graphics. The Arc B390 iGPU with 12 Xe3 cores handles many 1080p titles at medium/high with upscaling, but it’s still not a replacement for a dedicated RTX 4050/4060 laptop GPU for high‑refresh 1440p+ gaming.
What is the TDP of Core Ultra X7 358H?
Intel specifies a configurable PL1 base power of 15–25 W and a maximum turbo power (PL2) of 80 W, with common laptop implementations using 25–45 W sustained PL1 depending on the design.
How much RAM does Core Ultra X7 358H support?
It supports dual‑channel LPDDR5X memory at up to 9600 MT/s, with a maximum capacity of 96 GB depending on the OEM implementation.
Does Core Ultra X7 358H have a dedicated NPU?
Yes. It includes Intel NPU 5 with up to 50 TOPS INT8 AI performance, used for local AI features like background blur, noise suppression and small LLM inference.
Is the multiplier unlocked on Core Ultra X7 358H?
No. The multiplier is locked, so overclocking is limited to power limits and memory ratios rather than core frequency.
What process node is Core Ultra X7 358H built on?
The CPU compute tile uses Intel’s 18A process. The 12‑Xe3 GPU tile is manufactured by TSMC on N3E, and the platform controller tile on TSMC N6.
How many PCIe lanes does Core Ultra X7 358H have?
The platform controller provides 12 PCIe lanes from the CPU: four PCIe 5.0 and eight PCIe 4.0, which is sufficient for one NVMe SSD and some Thunderbolt 4 / USB4 connectivity but fewer than some competitor platforms.
Can Core Ultra X7 358H run 4K video editing smoothly?
Yes, for light to moderate 4K timelines. The 16 CPU cores, fast LPDDR5X and Arc B390 iGPU with media engines handle 4K editing in Premiere and Resolve well, though complex effects and long 4K exports still benefit from a discrete GPU.
Is Core Ultra X7 358H better than AMD Ryzen AI 9 HX 470?
It trades blows. Intel often leads in integrated GPU and NPU AI performance, while AMD offers 12C/24T with SMT and strong CPU multi‑thread. The best choice depends on your mix of gaming, AI and CPU workloads.
What laptops use Core Ultra X7 358H?
It appears in devices like the Dell XPS 14/16, MSI Prestige 14/16 AI+, HP EliteBook X G2i, Asus ExpertBook Ultra and various Lenovo IdeaPad/Yoga models, plus mini PCs like the Asus NUC 16 Pro and Minisforum EliteMini M2 Pro.
Frequently Asked Questions
Does Core Ultra X7 358H support DDR5 SO‑DIMMs?
No. It supports only LPDDR5X memory, typically soldered on‑board. If you want socketed DDR5, look at Arrow Lake‑H or other Intel platforms instead.
Can I upgrade the RAM on a Core Ultra X7 358H laptop?
Usually not. LPDDR5X is soldered; you must configure the desired amount (e.g., 32 GB or 64 GB) at purchase time.
What GPU does Core Ultra X7 358H have?
It integrates an Intel Arc B390 GPU with 12 Xe3‑LPG cores, up to 2.5 GHz boost, 1536 shading units and hardware ray tracing.
Is Core Ultra X7 358H suitable for AI development?
Yes, especially for on‑device AI. The 50 TOPS NPU and capable GPU make it a good platform for running and testing small‑medium models locally, though training large models still favors desktop GPUs.
Does Core Ultra X7 358H support Thunderbolt 4?
The SoC’s platform controller integrates Thunderbolt 4 / USB4 support; actual port availability depends on the laptop’s design.
How does Core Ultra X7 358H compare to Core Ultra 7 265H?
X7 358H is generally faster in CPU multi‑thread and much faster in GPU and AI workloads thanks to Panther Lake’s 18A compute tile, Arc B390 iGPU and NPU 5, but Arrow Lake‑H platforms may offer more mature firmware and DDR5 SO‑DIMM slots.
Is Core Ultra X7 358H good for streaming?
It’s adequate for 1080p software encoding, and the NPU can help with background blur and noise suppression. For high‑quality 1080p60 or 1440p streams, a dedicated GPU with NVENC is still preferable.
What cooling does Core Ultra X7 358H need?
At 25 W PL1 it can be passively cooled in some designs, but most implementations use a dual‑fan or vapor‑chamber solution to handle 35–45 W PL1 and short bursts up to 80 W.
Can Core Ultra X7 358H run Windows 11 Copilot+ features?
Yes. Intel positions Core Ultra Series 3 as a Copilot+ PC platform, with the NPU and GPU supporting local AI features like Recall, Live Captions and Cocreator.
Is Core Ultra X7 358H a good choice for a mini PC?
Yes. Its 25–45 W power range and strong iGPU make it a solid fit for small form factor mini PCs and NUCs, as seen in devices like the Asus NUC 16 Pro and Minisforum EliteMini M2 Pro.