Pentium 3805U vs Ryzen 9 PRO 7945
Aggregate performance score
Ryzen 9 PRO 7945 outperforms Pentium 3805U by a whopping 3821% 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 | 215 | 2901 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | no data | 0.04 |
| Market segment | Server | Laptop |
| Series | no data | Intel Pentium |
| Power efficiency | 17.29 | 1.91 |
| Designer | AMD | Intel |
| Manufacturer | TSMC | Intel |
| Architecture codename | Raphael (2023−2025) | Broadwell-U (2015) |
| Release date | 13 June 2023 (2 years ago) | 1 March 2015 (10 years ago) |
| Launch price (MSRP) | no data | $161 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Performance to price scatter graph
Detailed specifications
Ryzen 9 PRO 7945 and Pentium 3805U 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) | 2 (Dual-core) |
| Threads | 24 | 2 |
| Base clock speed | 3.7 GHz | 1.9 GHz |
| Boost clock speed | 5.4 GHz | 1.9 GHz |
| Bus rate | no data | 5 GT/s |
| L1 cache | 64 KB (per core) | 64K (per core) |
| L2 cache | 1 MB (per core) | 256K (per core) |
| L3 cache | 64 MB (shared) | 2 MB (shared) |
| Chip lithography | 5 nm | 14 nm |
| Die size | 2x 71 mm2 | 82 mm2 |
| Maximum core temperature | no data | 105 °C |
| Maximum case temperature (TCase) | 47 °C | 105 °C |
| Number of transistors | 13,140 million | 1300 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
Compatibility
Information on Ryzen 9 PRO 7945 and Pentium 3805U 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 | AM5 | FCBGA1168 |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 9 PRO 7945 and Pentium 3805U. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2 |
| AES-NI | + | - |
| AVX | + | - |
| Enhanced SpeedStep (EIST) | no data | + |
| Turbo Boost Technology | no data | - |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| Flex Memory Access | no data | + |
| Smart Response | no data | - |
| FDI | no data | + |
| Fast Memory Access | no data | + |
| Precision Boost 2 | + | no data |
Security technologies
Ryzen 9 PRO 7945 and Pentium 3805U technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | - |
| EDB | no data | + |
| Identity Protection | - | + |
| OS Guard | no data | - |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 9 PRO 7945 and Pentium 3805U are enumerated here.
| AMD-V | + | + |
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 9 PRO 7945 and Pentium 3805U. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5 | DDR3 |
| Maximum memory size | no data | 16 GB |
| Max memory channels | no data | 2 |
| Maximum memory bandwidth | no data | 25.6 GB/s |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | AMD Radeon Graphics | Intel HD Graphics for 5th Generation Intel Processors |
| Quick Sync Video | - | + |
| Clear Video | no data | + |
| Graphics max frequency | no data | 800 MHz |
| InTru 3D | no data | + |
Graphics interfaces
Available interfaces and connections of Ryzen 9 PRO 7945 and Pentium 3805U integrated GPUs.
| Number of displays supported | no data | 3 |
| eDP | no data | + |
| DisplayPort | - | + |
| HDMI | - | + |
Graphics API support
APIs supported by Ryzen 9 PRO 7945 and Pentium 3805U integrated GPUs, sometimes API versions are included.
| DirectX | no data | 11.2/12 |
Peripherals
Specifications and connection of peripherals supported by Ryzen 9 PRO 7945 and Pentium 3805U.
| PCIe version | 5.0 | 2.0 |
| PCI Express lanes | 24 | 12 |
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.
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 | 26.66 | 0.68 |
| Integrated graphics card | 1.73 | 0.68 |
| Recency | 13 June 2023 | 1 March 2015 |
| Physical cores | 12 | 2 |
| Threads | 24 | 2 |
| Chip lithography | 5 nm | 14 nm |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Ryzen 9 PRO 7945 has a 3820.6% higher aggregate performance score, 154.4% faster integrated GPU, an age advantage of 8 years, 500% more physical cores and 1100% more threads, and a 180% more advanced lithography process.
Pentium 3805U, on the other hand, has 333.3% lower power consumption.
The AMD Ryzen 9 PRO 7945 is our recommended choice as it beats the Intel Pentium 3805U in performance tests.
Be aware that Ryzen 9 PRO 7945 is a server/workstation processor while Pentium 3805U is a notebook one.
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