Ryzen 9 7945HX3D: specs and benchmarks
Aggregate performance score
Ryzen 9 7945HX3D provides good benchmark performance at 36.52% of a leader's which is a 96-core EPYC 9655P.
Summary
AMD started Ryzen 9 7945HX3D sales 27 July 2023. This is a Dragon Range-HX (Zen 4) architecture notebook processor primarily aimed at home systems. It has 16 cores and 32 threads, and is based on 5 nm manufacturing technology, with a max turbo frequency of 5400 MHz and an unlocked multiplier.
Compatibility-wise, this is AMD Socket FL1 processor with a TDP of 55 Watt. It supports DDR5-5200 memory.
Primary details
Ryzen 9 7945HX3D processor market type (desktop or notebook), architecture, sales start time and pricing.
| Place in the ranking | 96 | |
| Place by popularity | not in top-100 | |
| Market segment | Laptop | |
| Series | AMD Dragon Range (Zen 4, Ryzen 7045) | |
| Power efficiency | 62.84 | of 100.00 (Core Ultra 7 164U) |
| Architecture codename | Dragon Range-HX (Zen 4) (2023−2024) | |
| Release date | 27 July 2023 (1 year ago) |
Detailed specifications
Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.
| Physical cores | 16 (Hexadeca-Core) | |
| Threads | 32 | |
| Base clock speed | 2.3 GHz | of 4.7 GHz (FX-9590) |
| Boost clock speed | 5.4 GHz | of 6.2 GHz (Core i9-14900KS) |
| L1 cache | 64 KB (per core) | of 80 KB (EPYC 9965) |
| L2 cache | 1 MB (per core) | of 2 MB (Xeon 6980P) |
| L3 cache | 128 MB (shared) | of 1152 MB (EPYC 9684X) |
| Chip lithography | 5 nm | of 3 nm (Apple M3 Max 16-Core) |
| Die size | 2x 71 mm2 | |
| Maximum core temperature | 89 °C | of 110 °C (Atom x7-E3950) |
| Number of transistors | 17,840 million | of 135,240 million (EPYC 9684X) |
| 64 bit support | + | |
| Unlocked multiplier | + |
Compatibility
Information on Ryzen 9 7945HX3D compatibility with other computer components and devices: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | of 8 (Opteron 842) |
| Socket | FL1 | |
| Power consumption (TDP) | 55 Watt | of 3100 ‑ 4500 (Ryzen 7 7435H) |
Technologies and extensions
Technological capabilities and additional instructions supported by Ryzen 9 7945HX3D. You'll probably need this information if you require some particular technology.
| AES-NI | + | |
| AVX | + | |
| Precision Boost 2 | + |
Virtualization technologies
Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.
| AMD-V | + |
Memory specs
Types, maximum amount and channel number of RAM supported by Ryzen 9 7945HX3D's memory controller. Depending on the motherboard, higher memory frequency may be supported.
| Supported memory types | DDR5-5200 |
Graphics specifications
General parameters of a GPU integrated into Ryzen 9 7945HX3D.
| Integrated graphics card | AMD Radeon 610M (400 - 2200 MHz) |
Peripherals
Specifications and connection types of supported peripherals.
| PCIe version | 5.0 | |
| PCI Express lanes | 28 | of 128 (EPYC 7551P) |
Benchmark performance
Single-core and multi-core benchmark results of Ryzen 9 7945HX3D. Overall benchmark performance is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Cinebench 11.5 64-bit multi-core
Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Cinebench 15 64-bit single-core
Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.
Cinebench 11.5 64-bit single-core
Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.
TrueCrypt AES
TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.
WinRAR 4.0
WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.
Geekbench 5.5 Multi-Core
Blender(-)
Geekbench 5.5 Single-Core
7-Zip Single
7-Zip
WebXPRT 3
Send your test results of Ryzen 9 7945HX3D.
Intel equivalent
According to our data, the closest Intel alternative to Ryzen 9 7945HX3D is Core i9-13980HX, which is slower by 19% and lower by 47 positions in our ranking.
Here are some closest Intel rivals to Ryzen 9 7945HX3D:
Similar processors
Here is our recommendation of several processors that are more or less close in performance to the one reviewed.
Recommended GPUs
People consider these graphics cards to be good for Ryzen 9 7945HX3D, according to our PC configuration statistics.
These are the fastest graphics cards for Ryzen 9 7945HX3D in our user configuration statistics. There is a total of 151 configurations using Ryzen 9 7945HX3D in our database.
