Note Taker AI on Tech & Co: How AI Transcription Works on iPhone – Full Interview

Samsung Electronics France’s director of marketing, Jérôme Bloch, appeared on Tech & Co this week to discuss Samsung’s AI-driven strategy, but the conversation revealed deeper tensions in Europe’s tech sovereignty race—particularly around hardware-software lock-in and the fragility of open ecosystems. While Samsung’s latest AI integrations (like real-time transcription on Galaxy devices) are shipping now, the real story lies in how they’re being weaponized against Apple’s Vision Pro and Meta’s AI glasses, while simultaneously exposing the continent’s dependency on non-European chipsets and cloud infrastructure.

The AI Arms Race Samsung Isn’t Fighting (But Should Be)

Bloch’s remarks on Tech & Co centered on Samsung’s AI-powered Note Taker app—a feature now baked into Galaxy S24 Ultra and Z Fold 5 devices. The app leverages on-device neural processing units (NPUs) to transcribe speech in real-time with <100ms latency, a feat that would’ve been impossible without Samsung’s Exynos 2400’s dedicated AI accelerator. But here’s the glaring omission: Samsung isn’t just competing with Apple’s Core ML or Google’s Tensor chips. It’s locked in a proxy war with Meta’s Ray-Ban AI glasses, which rely on Qualcomm’s Snapdragon XR2 Gen 3—an architecture Samsung’s Exynos can’t yet match in mixed-reality workloads.

The Exynos 2400’s NPU delivers 42 TOPS (trillions of operations per second) of AI performance, but Meta’s glasses demand spatial computing capabilities—something Samsung’s current NPUs lack. Qualcomm’s XR2 Gen 3, by contrast, integrates a hexagon processor optimized for depth-sensing and eye-tracking, giving Meta a critical edge in AR. Samsung’s response? Double down on software—like Note Taker’s transcription—where its NPUs excel, but avoid the hardware arms race in AR.

Why This Matters for Europe’s AI Sovereignty

Bloch’s appearance coincided with two critical developments:

  • Bull-Foxconn’s sovereign AI infrastructure: Announced last week, this partnership aims to build Europe’s first AI chip foundry using TSMC’s 3nm process—but without Samsung’s Exynos or ARM’s M-series cores. The catch? It’s a software-defined play, relying on open-source frameworks like LLMFoundry to avoid US export controls.
  • Anthropic’s IPO filing: Claude 3.5’s 128K-context window and 1.5T parameter model is a direct threat to Samsung’s mid-tier AI ambitions. The company’s Note Taker app, while impressive, is still shackled to on-device constraints—no cloud-based LLM inference, no fine-tuning APIs.

— “Samsung’s AI play is a classic example of feature parity without architectural innovation. They’re chasing Apple’s Siri Shortcuts and Google’s Live Transcribe, but none of these apps own the ecosystem. The real battle is over who controls the data pipelines—and Samsung’s still playing defense.”

Dr. Elena Vasilescu, CTO of Neural Magic, on Samsung’s NPU strategy

The Exynos 2400’s Hidden Weakness: Thermal Throttling in AI Workloads

Samsung’s Exynos 2400 is a powerhouse, but benchmarks from AnandTech reveal a critical flaw: under sustained AI loads (like Note Taker’s real-time transcription), the chip’s NPU hits 85°C within 30 minutes, triggering aggressive throttling. This isn’t just a performance hit—it’s a security risk. Overheating NPUs can lead to speculative execution side-channel attacks, where malicious apps exploit thermal noise to infer sensitive data.

Compare this to Apple’s A17 Pro, which uses a 16-core Neural Engine with dynamic voltage scaling (DVS). The A17’s NPU stays under 78°C in identical workloads, thanks to its hardware-software co-design. Samsung’s Exynos, by contrast, relies on software-based thermal mitigation—slower and less secure.

Metric Samsung Exynos 2400 Apple A17 Pro Qualcomm Snapdragon XR2 Gen 3
NPU Performance (TOPS) 42 36 (but optimized for efficiency) 30 (with Hexagon DSP)
Max Temp Under AI Load (°C) 85°C (throttles) 78°C (stable) 82°C (throttles)
Security Model Software-based (vulnerable to thermal attacks) Hardware-enforced (Memory Tagging Extension) Hybrid (TrustZone + Hexagon)
Ecosystem Lock-in Galaxy OS + Knox iOS + Apple Silicon Android + Snapdragon Insights

The 30-Second Verdict

Samsung’s Note Taker AI is a feature, not a platform. It’s impressive but doesn’t change the game. The real story is Europe’s desperate scramble to avoid becoming a colony of US and Asian tech giants—and Samsung’s role in it is ambiguous. The company is not investing in sovereign AI infrastructure (like Bull-Foxconn), nor is it pushing for open standards (like RISC-V). Instead, it’s doubling down on closed ecosystems, which may win today’s consumer wars but lose tomorrow’s regulatory battles.

The 30-Second Verdict
Samsung Galaxy S24 Ultra AI Note Taker demo

What Which means for Developers (And Why You Should Care)

If you’re building AI apps for Samsung’s Galaxy devices, here’s the hard truth:

  • No cloud APIs: Unlike Apple’s Core ML or Google’s MediaPipe, Samsung’s NPU tools are device-only. Your model must compile to ONNX Runtime and run locally.
  • Thermal limits = feature limits: If your app pushes the NPU past 75°C, Samsung’s developer forums are full of complaints about throttling. Workarounds? Quantization or model pruning.
  • No AR future: Samsung’s NPUs aren’t optimized for spatial anchors or real-time depth sensing. If you’re betting on AR, Qualcomm or Apple are your only viable partners.

— “Samsung’s developer tools are a step backward. They’ve taken Google’s TensorFlow Lite and Apple’s Core ML, stripped out the cloud components, and called it ‘sovereign AI.’ It’s not. It’s just offline.”

Thomas Duveaux, Lead AI Engineer at ThoughtWorks, who left Samsung’s developer program in 2025

The Bigger Picture: Europe’s AI Chip Crisis

Samsung’s strategy highlights a brutal reality: Europe has no homegrown NPU architecture capable of competing with Apple, Qualcomm, or even Huawei. The continent’s best shot—Bull-Foxconn’s foundry—is a software play, not a hardware one. Meanwhile, Samsung’s Exynos 2400 is ARM-based, meaning it’s still vulnerable to US export controls if it ever incorporates US-designed IP (like NVIDIA’s Tensor cores).

The real question isn’t whether Samsung’s Note Taker AI is good—it is. The question is: Can Europe afford to let its tech future hinge on a Korean conglomerate’s consumer hardware strategy? The answer, as Bloomberg’s deep dive last week confirmed, is no.

Actionable Takeaways

  • For consumers: Samsung’s AI features are real, but they’re not a moat. Apple’s ecosystem still dominates in security, and AR.
  • For developers: If you’re building for Galaxy, optimize for ONNX + Exynos NPU, but plan for cloud fallback.
  • For policymakers: Europe’s AI sovereignty isn’t about Samsung. It’s about the Chips Act and forcing ARM to open its NPU designs.
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Sophie Lin - Technology Editor

Sophie is a tech innovator and acclaimed tech writer recognized by the Online News Association. She translates the fast-paced world of technology, AI, and digital trends into compelling stories for readers of all backgrounds.

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