Ryzen 5 PRO 8645HS vs FX-8370
Aggregate performance score
Ryzen 5 PRO 8645HS outperforms FX-8370 by a whopping 277% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1648 | 603 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 0.93 | no data |
| Market segment | Desktop processor | Server |
| Power efficiency | 1.19 | 12.41 |
| Designer | AMD | AMD |
| Manufacturer | GlobalFoundries | TSMC |
| Architecture codename | Vishera (2012−2015) | Hawk Point (2024−2025) |
| Release date | 2 September 2014 (11 years ago) | 16 April 2024 (1 year ago) |
| Launch price (MSRP) | $199 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
FX-8370 and Ryzen 5 PRO 8645HS 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 | 8 (Octa-Core) | 6 (Hexa-Core) |
| Threads | 8 | 12 |
| Base clock speed | 4 GHz | 4.3 GHz |
| Boost clock speed | 4.3 GHz | 5 GHz |
| L1 cache | no data | 64 KB (per core) |
| L2 cache | 8192 KB | 1 MB (per core) |
| L3 cache | no data | 16 MB (shared) |
| Chip lithography | 32 nm | 4 nm |
| Die size | 315 mm2 | 178 mm2 |
| Maximum core temperature | 61 °C | no data |
| Number of transistors | 1,200 million | 25,000 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | + | - |
| P0 Vcore voltage | Min: 1.2 V - Max: 1.4 V | no data |
Compatibility
Information on FX-8370 and Ryzen 5 PRO 8645HS 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 |
| Socket | AM3+ | FP7 |
| Power consumption (TDP) | 125 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by FX-8370 and Ryzen 5 PRO 8645HS. You'll probably need this information if you require some particular technology.
| AES-NI | + | + |
| FMA | + | - |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by FX-8370 and Ryzen 5 PRO 8645HS are enumerated here.
| AMD-V | + | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by FX-8370 and Ryzen 5 PRO 8645HS. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | On certain motherboards (Chipset feature) | AMD Radeon 760M |
Peripherals
Specifications and connection of peripherals supported by FX-8370 and Ryzen 5 PRO 8645HS.
| PCIe version | n/a | 4.0 |
| PCI Express lanes | no data | 20 |
Synthetic benchmarks
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.
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. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 3.51 | 13.22 |
| Recency | 2 September 2014 | 16 April 2024 |
| Physical cores | 8 | 6 |
| Threads | 8 | 12 |
| Chip lithography | 32 nm | 4 nm |
| Power consumption (TDP) | 125 Watt | 45 Watt |
FX-8370 has 33.3% more physical cores.
Ryzen 5 PRO 8645HS, on the other hand, has a 276.6% higher aggregate performance score, an age advantage of 9 years, 50% more threads, a 700% more advanced lithography process, and 177.8% lower power consumption.
The AMD Ryzen 5 PRO 8645HS is our recommended choice as it beats the AMD FX-8370 in performance tests.
Note that FX-8370 is a desktop processor while Ryzen 5 PRO 8645HS is a server/workstation one.
Other comparisons
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