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What the Computex 2025 reports actually said
Before Computex 2025, reports said NVIDIA and MediaTek might unveil Arm-based chips for Windows PCs under the N1 and N1X names. That was an expectation reported by secondary outlets, not an official launch announcement from either company. The distinction matters: a rumored event appearance is not the same as a product reveal, demonstration, or announcement of retail systems and shipping plans.
The chips did not appear as announced PC products at Computex, held in Taipei from May 20 to 23, 2025. Tom’s Hardware’s pre-show report described the prospective N1 family, but its wording was conditional. MediaTek’s official Computex page and showcase announcement did not list N1X or N1 as unveiled PC processors.
What MediaTek did announce at Computex
MediaTek’s official program centered on “AI for Everyone: From Edge to Cloud.” CEO Rick Tsai delivered the keynote on May 20, and the company highlighted AI, connectivity, automotive, and hybrid-computing work. Its NVIDIA-related news concerned the GB10 Grace Blackwell Superchip and NVLink Fusion-related cooperation—not an N1X or N1 PC launch. The program also featured a 5G generative-AI gateway concept, automotive and connected-home technologies, Dimensity Auto Cockpit C-X1, 5G-Advanced satellite-network technology, and AI-enhanced display and scaler technologies.
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- AI Performance: 767 AI TOPS
- OC mode: 2632 MHz (OC mode)/ 2602 MHz (Default mode)
- Powered by the NVIDIA Blackwell architecture and DLSS 4
- Axial-tech fan design features a smaller fan hub that facilitates longer blades and a barrier ring that increases downward air pressure
- A 2.5-slot design maximizes compatibility and cooling efficiency for superior performance in small chassis
That distinction is useful context: NVIDIA and MediaTek’s collaboration was publicly visible in 2025, but the PC-chip announcement readers were expecting did not happen at that show. MediaTek’s keynote recap and joint executive session discuss the broader relationship.
Why the expected launch slipped
Later coverage described N1X as delayed toward 2026. Reports attributed the slippage to a combination of Windows or platform-readiness issues, chip revisions, and uncertain PC-market demand. These are reported explanations, not a detailed official postmortem from NVIDIA or MediaTek; the exact internal cause has not been established in the public statements cited here.
The absence from Computex 2025 is clear, while the reasons for it remain less certain. Tom’s Guide’s delay report and Tom’s Hardware’s follow-up describe the reported issues; neither should be read as confirmation of a single definitive cause.
Rank #2
- Powered by the NVIDIA Blackwell architecture and DLSS 4
- Powered by GeForce RTX 5070 Ti
- Integrated with 16GB GDDR7 256bit memory interface
- PCIe 5.0
- WINDFORCE cooling system
RTX Spark was the later N1X reveal
On June 1, 2026, NVIDIA introduced RTX Spark at GTC Taipei as a Windows PC platform developed with MediaTek and Microsoft. In the keynote, CEO Jensen Huang identified RTX Spark as the N1X built in partnership with MediaTek. The most accurate description is therefore that RTX Spark is the publicly revealed product/platform associated with N1X—not a separate chip unrelated to the earlier reports.
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NVIDIA described RTX Spark as a PC platform for local AI agents, AI development, content creation, and gaming. Its official disclosures included these specifications:
| RTX Spark component | Publicly disclosed detail |
|---|---|
| CPU | Custom 20-core Arm CPU developed with MediaTek |
| GPU | NVIDIA Blackwell RTX GPU, with up to 6,144 CUDA cores |
| AI performance | Up to 1 petaflop, as stated by NVIDIA |
| Memory | Up to 128 GB unified memory |
| Manufacturing process | TSMC 3 nm |
| Operating system | Windows platform developed in close collaboration with Microsoft |
These are vendor disclosures, not independent test results. “Up to” figures describe the platform’s stated maximum, not necessarily every system configuration. NVIDIA’s GTC Taipei keynote, announcement with Microsoft, and Microsoft’s Windows Experience post describe the platform.
Rank #3
- Powered by the NVIDIA Blackwell architecture and DLSS 4. System Requirements: Minimum 850W PSU with 16-pin 12V-2x6 (12VHPWR) connector required. Verify before purchasing.
- Military-grade components deliver rock-solid power and longer lifespan for ultimate durability. Compatibility: 348mm (13.7") length, 3.6 slots, 4.3 lbs. Confirm case clearance and slot spacing. GPU bracket included.
- Protective PCB coating helps protect against short circuits caused by moisture, dust, or debris
- 3.6-slot design with massive fin array optimized for airflow from three Axial-tech fans
- Phase-change GPU thermal pad helps ensure optimal thermal performance and longevity, outlasting traditional thermal paste for graphics cards under heavy loads
What the headline figures do—and do not—tell you
One petaflop is an AI-throughput claim, not a universal score for everyday speed. Its meaning depends on factors such as precision format, workload, sparsity assumptions, software, and whether the figure is theoretical or measured. It does not by itself predict web or office responsiveness, gaming frame rates, battery life, compile times, or video-export times.
NVIDIA also gave capability examples including 90 GB 3D scenes, 12K 4:2:2 video editing, 120-billion-parameter language models with a one-million-token context, and 1440p gaming above 100 frames per second with ray tracing, DLSS, and Reflex. Those are NVIDIA-stated examples, not independent benchmarks or guarantees for every configuration. A buyer should wait for system-specific reviews before using them to compare real-world performance.
N1X, N1, GB10, DGX Spark and RTX Spark are not interchangeable names
| Name | Safest description |
|---|---|
| N1X | The reported chip name NVIDIA later associated with RTX Spark |
| N1 | A related or separate product mentioned in reporting, without equivalent official public specifications or schedule |
| GB10 | The NVIDIA–MediaTek Grace Blackwell superchip |
| DGX Spark | An AI developer and personal-supercomputer platform associated with GB10 |
| RTX Spark | The Windows PC platform publicly unveiled in 2026 and identified with N1X |
MediaTek described its GB10 work as a collaboration with NVIDIA and said NVIDIA was responsible for product and go-to-market strategy in an earnings-call transcript. That collaboration provides context for the later partnership, but GB10/DGX Spark and N1X/RTX Spark have different target uses and software positioning. The former is oriented toward AI development and personal AI-supercomputer workloads; the latter was presented as a Windows PC platform. See MediaTek’s Q1 2025 earnings-call transcript.
Rank #4
- Powered by the NVIDIA Blackwell architecture and DLSS 4
- Powered by GeForce RTX 5060
- Integrated with 8GB GDDR7 128bit memory interface
- PCIe 5.0
- WINDFORCE cooling system
N1 remains the least settled name in this story. Later reporting referred to it as a second or smaller chip, but the cited official NVIDIA material focuses on RTX Spark/N1X and does not provide a complete independent N1 specification or product schedule. It is not established here that N1 shipped, has a confirmed price, or has a confirmed OEM lineup.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why the platform could matter—and what remains to prove
RTX Spark’s pitch combines MediaTek’s Arm system-on-chip expertise, NVIDIA’s RTX graphics and AI software ecosystem, and Microsoft’s Windows platform work. That could appeal to creators, gamers, and developers who want local AI capabilities alongside a Windows PC. Microsoft positioned the platform within the Copilot+ PC ecosystem, while NVIDIA emphasized agentic AI, rendering, video, gaming, and large-model execution.
But a strong specification sheet does not settle whether a new Windows on Arm system is a good fit. Compatibility, software maturity, and the specific system design matter as much as headline compute figures. In particular:
Best Value
- Powered by the NVIDIA Blackwell architecture and DLSS 4 OC mode: 2640MHz/Default mode: 2610MHz (Boost Clock)
- Military-grade components deliver rock-solid power and longer lifespan for ultimate durability
- Protective PCB coating helps protect against short circuits caused by moisture, dust, or debris
- 3.125-slot design with massive fin array optimized for airflow from three Axial-tech fans
- Phase-change GPU thermal pad helps ensure optimal thermal performance and longevity, outlasting traditional thermal paste for graphics cards under heavy loads
- Application support: Native Arm applications should generally offer the best experience. x86 and x64 programs may run through Windows emulation, with possible effects on performance, plugins, and specialized software. Check support for essential applications before buying.
- Drivers and peripherals: GPU capability does not guarantee support for every capture device, audio interface, printer, scanner, enterprise security tool, engineering device, or kernel-level utility. Confirm that required hardware and drivers work on the exact system.
- Games: Check both Windows on Arm compatibility and anti-cheat support for the games you play. A powerful GPU cannot make an incompatible title work.
- Unified memory: The announced maximum is up to 128 GB, shared between CPU and GPU. It is not equivalent to a system with 128 GB of system RAM plus 128 GB of dedicated VRAM.
- Portability and battery: The platform announcement covers Windows PCs, but a chip’s process node does not establish battery life. Results depend on the finished laptop, display, cooling, power settings, and workload; independent system tests are needed.
- Price, availability, and upgrades: The cited announcements do not establish final retail pricing, regional availability, battery ratings, every OEM shipping date, warranty terms, or upgradeability. Verify those details for the specific model rather than inferring them from the platform reveal.
For buyers comparing categories, RTX Spark’s differentiator is the combination of Windows on Arm with NVIDIA RTX/CUDA-oriented capability and substantial shared memory. Apple Silicon Macs are a non-Windows alternative; Qualcomm Snapdragon X systems represent a more established Windows on Arm choice; AMD Ryzen AI and Intel Core Ultra PCs retain the x86 application environment; and conventional RTX laptops pair an x86 CPU with a discrete NVIDIA GPU. These are positioning distinctions, not performance rankings: comparable independent tests and current model pricing are needed for a value comparison.
What a prospective buyer should verify
- List essential applications and peripherals. Confirm whether each is native Arm, supported through emulation, or unsupported; check with the software or hardware vendor where compatibility is critical.
- Match the hardware to the workload. Decide whether you need CUDA, RTX rendering, gaming, local AI experimentation, or just ordinary productivity. Do not pay a premium for AI throughput you will not use.
- Check the exact system configuration. Compare memory capacity, cooling, display, storage, ports, and whether storage or other components can be upgraded. Treat 128 GB as a platform maximum, not a promise for all models.
- Wait for independent reviews if reliability matters. Look for measured application and game performance, battery life, thermals, driver behavior, and compatibility—not only vendor capability examples.
- Compare the total price with alternatives. A conventional RTX laptop may be the safer option for established Windows game and driver support; an x86 system may fit legacy business software better. Make the decision against the actual model, price, and workload.
Bottom line: a real project, but not a 2025 launch
The original Computex 2025 framing was premature: N1X and N1 were reported as expected products, but neither debuted there. NVIDIA’s June 1, 2026 RTX Spark reveal later connected the N1X name to a real NVIDIA–MediaTek Windows PC platform. N1, by contrast, remains publicly less defined. For buyers, RTX Spark is promising on paper, but compatibility, independent performance, price, availability, and system-level battery results determine whether it is a sensible purchase.
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