AMD® Ryzen™ 9 7945HX3D
The AMD Ryzen 9 7945HX3D is a laptop processor released on July 27, 2023, built on the Zen 4 architecture using a 5 nm process. It has 16 cores and 32 threads, a base clock of 2.30 GHz, a maximum boost of 5.40 GHz, 128 MB of L3 cache, a 55 W TDP and the FL1 socket.
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Overview
SummaryThe AMD Ryzen 9 7945HX3D is a laptop processor with 16 cores and 32 threads, built on the Zen 4 architecture. It launched in Jul 2023. Clocks run from 2.3 GHz base to 5.4 GHz boost. A 128-MB L3 cache backs the cores (9.0 MB per core). It addresses DDR5 memory up to 64 GB across 2 channels. The chip drops into the FL1 socket and exposes PCIe 5.0 (28 lanes). Rated TDP is 55 W.
Core Configuration
5 specsThe AMD Ryzen 9 7945HX3D has 16 physical cores and runs 32 logical threads. It runs 2 threads per core. It runs at a base clock of 2.30 GHz and boosts up to 5.40 GHz.
Architecture & Generation
8 specsThe AMD Ryzen 9 7945HX3D is a laptop processor, belongs to the AMD Ryzen 9 family, uses the Zen 4 architecture, carries the codename Dragon Range and is manufactured on a 5 nm process. It launched in Jul 2023.
Cache
4 specsThe AMD Ryzen 9 7945HX3D has 16 MB of L2 cache and 128 MB of L3 cache. That adds up to about 144.0 MB of cache, or 9.00 MB per core. Feex has no recorded L1 cache size for this processor.
Cache Hierarchy
2 levelsThe AMD Ryzen 9 7945HX3D has a 2-level cache hierarchy: L2 at 16 MB and L3 at 128 MB. L3 is the largest level and makes up about 89% of the cache listed here.
Memory Support
6 specsThe AMD Ryzen 9 7945HX3D supports DDR5 memory, addresses up to 64 GB of memory and uses 2 memory channels. It does not support DDR4 and LPDDR memory.
Graphics
1 specThe AMD Ryzen 9 7945HX3D includes integrated graphics.
Platform & Compatibility
3 specsThe AMD Ryzen 9 7945HX3D uses the FL1 socket, supports PCI Express 5.0 and provides up to 28 PCIe lanes.
Power & Thermals
1 specThe AMD Ryzen 9 7945HX3D has a rated TDP of 55 W.
Platform Capabilities
0 supported, 0 not supportedInstruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.
Instruction Sets
0 supportedSecurity and Reliability
0 supportedVirtualization
0 supportedFeex has no record for AES-NI, AVX-512, AVX2, AVX, AVX-VNNI and CET, which is different from being unsupported.
Feex has no record for AMD SEV, AMD SME, Control-flow Enforcement (CET), Execute Disable (NX), Memory Encryption and SMAP, which is different from being unsupported.
Feex has no record for AMD SVM, AMD-V (Hardware Virtualization), NPT / RVI, IOMMU and Second-Level Address Translation, which is different from being unsupported.
Naming & Aliases
3 specsIts normalized catalog name is AMD Ryzen 9 7945HX3D.
Real-world compute in the Feex fleet
No machines yetNo Feex fleet machines with the AMD Ryzen 9 7945HX3D have reported compute telemetry yet, so real-world compute for this processor is not recorded.
Data Coverage
37% recordedFeex has recorded 37% of the specifications it tracks for the AMD Ryzen 9 7945HX3D. Values Feex does not hold are shown as "Not recorded" rather than estimated.
Not recorded: Core Configuration: Performance Cores, Efficiency Cores, Hybrid Architecture, All-Core Boost and Unlocked Multiplier. Architecture & Generation: ISA Family and Market Status. Cache: L1 Cache (Total), L2 Cache (per Core) and L4 Cache. Memory Support: Memory Bandwidth, ECC Memory and Max Memory Speed. Graphics: Graphics Base Clock, Graphics Max Clock, Execution Units, Display Outputs and Max Video Memory. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count, Foundry and Launch Price. Naming & Aliases: SKU, Model Number, Processor Number and Part Number. Performance: single-core and multi-core ratings and all computed performance metrics.
Common questions
9 answeredHow many cores and threads does the AMD Ryzen 9 7945HX3D have?
The AMD Ryzen 9 7945HX3D has 16 cores and 32 threads.
What architecture does the AMD Ryzen 9 7945HX3D use?
The AMD Ryzen 9 7945HX3D is built on the Zen 4 architecture.
Does the AMD Ryzen 9 7945HX3D have integrated graphics?
Yes. The AMD Ryzen 9 7945HX3D includes integrated graphics.
What socket does the AMD Ryzen 9 7945HX3D use?
The AMD Ryzen 9 7945HX3D uses the FL1 socket.
What memory does the AMD Ryzen 9 7945HX3D support?
The AMD Ryzen 9 7945HX3D supports DDR5 up to 64 GB across 2 channels.
How fast does the AMD Ryzen 9 7945HX3D run?
The AMD Ryzen 9 7945HX3D can boost up to 5.4 GHz, with a 2.3 GHz base clock.
What is the TDP of the AMD Ryzen 9 7945HX3D?
The AMD Ryzen 9 7945HX3D has a TDP of 55 W.
What is the AMD Ryzen 9 7945HX3D best for?
Based on its specifications, the AMD Ryzen 9 7945HX3D is well suited for Mini PCs and graphics-included builds.
How much cache does the AMD Ryzen 9 7945HX3D have?
The AMD Ryzen 9 7945HX3D has 16384 KB of L2 cache and 128 MB of L3 cache.