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LIMCHIP CO., LIMITED
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7840U
Brand: AMD
7840U is the AMD Ryzen 7 7840U mobile processor built on Zen 4 Phoenix architecture in TSMC 4 nm FinFET. With 8 cores, 16 threads, 3.3 GHz base and 5.1 GHz boost clock, 24 MB total cache, integrated Radeon 780M graphics with 12 RDNA 3 CUs, DDR5/LPDDR5x memory, 28 W default and 15-30 W configurable TDP, it powers ultra-thin premium laptops with AMD Ryzen AI up to 10 TOPS NPU.
Stock & Date Code
| Brand | Part Number | Qty | D/C | Note |
|---|---|---|---|---|
| AMD | 7840U | 600 | 25+ | AMD 7840U AMD Ryzen 7 7840U mobile processor, 8-core/16-thread Zen 4 Phoenix architecture, 3.3 GHz base / 5.1 GHz boost, 24 MB total cache, Radeon 780M GPU, 28 W default / 15-30 W cTDP, FP8 socket, TSMC 4 nm, DDR5/LPDDR5X memory.; confirm date code, lot and packing condition by RFQ. |
Listed stock and date code are subject to final RFQ confirmation.
MCU / Processor Specifications
| Parameter | Value / Specification |
|---|---|
| Core / Architecture | Zen 4 (Phoen ), 8-core, 16-thread, TSMC 4 nm FinFET, × 86-64 |
| Clock Frequency | 3.3 GHz base, up to 5.1 GHz boost (Precision Boost 2) |
| Memory / Cache | 8 MB L2, 16 MB L3 (24 MB total); DDR5-5600 / LPDDR5 × -7500, 2-channel, up to 256 GB |
| Interfaces / Connectivity | PCIe 4.0 (20 lanes), 2× USB4 (40 Gb/s), 2× USB 3.2 Gen 2, NVMe RAID 0/1/10 |
| Graphics Engine | AMD Radeon 780M, 12 GPU cores, up to 2700 MHz, 4× display support, HDMI 2.1, DP 2.1 |
| TDP / Power | 28 W default, 15-30 W cTDP, Tjm 100°C |
| AI Engine | AMD Ryzen AI, up to 10 TOPS NPU, up to 32 TOPS overall |
| Instruction Set Extensions | A , A 2, A -512, FMA3, AES, SHA, SSE4. × |
| CPU Socket | FP7 / FP7r2 / FP8 BGA socket |
| Security | AMD Enhanced Virus Protection (it), AMD Secure Processor |
| Launch Date | May 3, 2023 |
| Package / Case | FP8 (BGA) |
Embedded Processor Features & Applications
- 7840U features the AMD Zen 4 Phoenix architecture with 8 cores and 16 threads in TSMC 4 nm FinFET process for ultra-thin premium laptop computing
- 3.3 GHz base and up to 5.1 GHz boost clock with Precision Boost 2 delivers high single-thread burst and sustained multi-core throughput for mobile productivity
- 8 MB L2 plus 16 MB L3 cache (24 MB total) with DDR5-5600 and LPDDR5x-7500 dual-channel memory supporting up to 256 GB capacity
- Integrated AMD Radeon 780M graphics with 12 RDNA 3 compute units at up to 2700 MHz supports 4 independent displays, HDMI 2.1 and DisplayPort 2.1 for premium visuals
- PCIe 4.0 (20 lanes), dual USB4 40 Gb/s, NVMe RAID 0/1/10 and 15-30 W configurable TDP enable thin, fanless and ultraportable laptop designs
- AMD Ryzen AI delivers up to 10 TOPS NPU and 32 TOPS overall for AI-accelerated workloads including Windows Studio Effects and real-time inference
- AVX-512, AES-NI and AMD Secure Processor with Enhanced Virus Protection provide enterprise-grade instruction throughput and hardware-backed security
Need Price & Availability for 7840U?
LimChip can confirm current price, date code, packing condition, lot traceability and shipment schedule for 7840U.
Listed stock is subject to final RFQ confirmation.
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Commercial and shipment details for 7840U are confirmed with the formal quotation.
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Frequently Asked Questions
Is 7840U available from LimChip?
LimChip can confirm current availability, price, quantity, date code and lead time for 7840U by RFQ.
What should buyers check before ordering 7840U?
Buyers should check exact suffix, package, memory option, firmware compatibility and lifecycle status for 7840U, together with live stock and traceable supply.
How do I request a quote for 7840U?
Use the RFQ button and include required quantity, target date code, package/case requirement, delivery country, company name and contact details.