Ryzen Threadripper 1900X vs Ryzen 5 PRO 7645
Aggregate performance score
Ryzen 5 PRO 7645 outperforms Ryzen Threadripper 1900X by an impressive 61% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 5 PRO 7645 and Ryzen Threadripper 1900X processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 373 | 730 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 3.74 |
| Market segment | Server | Desktop processor |
| Series | no data | AMD Ryzen Threadripper |
| Power efficiency | 24.84 | 5.56 |
| Architecture codename | Raphael (2023−2024) | Zen (2017−2020) |
| Release date | 13 June 2023 (1 year ago) | 30 July 2017 (7 years ago) |
| Launch price (MSRP) | no data | $549 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Ryzen 5 PRO 7645 and Ryzen Threadripper 1900X 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 | 6 (Hexa-Core) | 8 (Octa-Core) |
| Threads | 12 | 16 |
| Base clock speed | 3.8 GHz | 3.8 GHz |
| Boost clock speed | 5.1 GHz | 3.8 GHz |
| Bus rate | no data | 4 × 8 GT/s |
| Multiplier | no data | 38 |
| L1 cache | 64 KB (per core) | 768 KB |
| L2 cache | 1 MB (per core) | 4 MB |
| L3 cache | 32 MB (shared) | 16 MB |
| Chip lithography | 5 nm | 14 nm |
| Die size | 71 mm2 | 213 mm2 |
| Maximum case temperature (TCase) | 61 °C | no data |
| Number of transistors | 6,570 million | 9600 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 5 PRO 7645 and Ryzen Threadripper 1900X 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 | 1 (Uniprocessor) |
| Socket | AM5 | SP3r2 |
| Power consumption (TDP) | 65 Watt | 180 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 PRO 7645 and Ryzen Threadripper 1900X. 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 5 PRO 7645 and Ryzen Threadripper 1900X are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 PRO 7645 and Ryzen Threadripper 1900X. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR4 Quad-channel |
| Maximum memory size | no data | 2 TiB |
| Max memory channels | no data | 4 |
| Maximum memory bandwidth | no data | 85.33 GB/s |
| ECC memory support | - | + |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | - |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 PRO 7645 and Ryzen Threadripper 1900X.
| PCIe version | 5.0 | 3.0 |
| PCI Express lanes | 24 | 60 |
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 | 17.13 | 10.62 |
| Recency | 13 June 2023 | 30 July 2017 |
| Physical cores | 6 | 8 |
| Threads | 12 | 16 |
| Chip lithography | 5 nm | 14 nm |
| Power consumption (TDP) | 65 Watt | 180 Watt |
Ryzen 5 PRO 7645 has a 61.3% higher aggregate performance score, an age advantage of 5 years, a 180% more advanced lithography process, and 176.9% lower power consumption.
Ryzen Threadripper 1900X, on the other hand, has 33.3% more physical cores and 33.3% more threads.
The Ryzen 5 PRO 7645 is our recommended choice as it beats the Ryzen Threadripper 1900X in performance tests.
Be aware that Ryzen 5 PRO 7645 is a server/workstation processor while Ryzen Threadripper 1900X is a desktop one.
Should you still have questions on choice between Ryzen 5 PRO 7645 and Ryzen Threadripper 1900X, 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.
