Ryzen 5 7645HX vs Ryzen Threadripper 1920X
Aggregate performance score
Ryzen 5 7645HX outperforms Ryzen Threadripper 1920X by a moderate 16% based on our aggregate benchmark results.
Primary details
Comparing Ryzen Threadripper 1920X and Ryzen 5 7645HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 490 | 380 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.35 | no data |
| Market segment | Desktop processor | Laptop |
| Series | AMD Ryzen Threadripper | no data |
| Power efficiency | 7.64 | 35.56 |
| Architecture codename | Zen (2017−2020) | Dragon Range (Zen4) (2023) |
| Release date | 13 July 2017 (7 years ago) | 4 January 2023 (1 year ago) |
| Launch price (MSRP) | $799 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen Threadripper 1920X and Ryzen 5 7645HX basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 12 (Dodeca-Core) | 6 (Hexa-Core) |
| Threads | 24 | 12 |
| Base clock speed | 3.5 GHz | 4 GHz |
| Boost clock speed | 3.5 GHz | 5 GHz |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 35 | no data |
| L1 cache | 1.125 MB | 64K (per core) |
| L2 cache | 6 MB | 1 MB (per core) |
| L3 cache | 32 MB | 32 MB (shared) |
| Chip lithography | 14 nm | 5 nm |
| Die size | 213 mm2 | 71 mm2 |
| Maximum core temperature | no data | 100 °C |
| Number of transistors | 9600 Million | 6570 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | + |
| Unlocked multiplier | + | - |
Compatibility
Information on Ryzen Threadripper 1920X and Ryzen 5 7645HX compatibility with other computer components: 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 (Uniprocessor) | 1 |
| Socket | SP3r2 | FL1 |
| Power consumption (TDP) | 180 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen Threadripper 1920X and Ryzen 5 7645HX. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen Threadripper 1920X and Ryzen 5 7645HX are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen Threadripper 1920X and Ryzen 5 7645HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 Quad-channel | DDR5-5200 |
| Maximum memory size | 2 TiB | no data |
| Max memory channels | 4 | no data |
| Maximum memory bandwidth | 85.33 GB/s | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | - | AMD Radeon 610M |
Peripherals
Specifications and connection of peripherals supported by Ryzen Threadripper 1920X and Ryzen 5 7645HX.
| PCIe version | 3.0 | 5.0 |
| PCI Express lanes | 60 | 28 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score 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.
Pros & cons summary
| Performance score | 14.59 | 16.98 |
| Recency | 13 July 2017 | 4 January 2023 |
| Physical cores | 12 | 6 |
| Threads | 24 | 12 |
| Chip lithography | 14 nm | 5 nm |
| Power consumption (TDP) | 180 Watt | 45 Watt |
Ryzen Threadripper 1920X has 100% more physical cores and 100% more threads.
Ryzen 5 7645HX, on the other hand, has a 16.4% higher aggregate performance score, an age advantage of 5 years, a 180% more advanced lithography process, and 300% lower power consumption.
The Ryzen 5 7645HX is our recommended choice as it beats the Ryzen Threadripper 1920X in performance tests.
Note that Ryzen Threadripper 1920X is a desktop processor while Ryzen 5 7645HX is a notebook one.
Should you still have questions on choice between Ryzen Threadripper 1920X and Ryzen 5 7645HX, ask them in Comments section, and we shall answer.
Similar processor comparisons
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.
