Ryzen 7 7745HX vs Ryzen 5 3450U
Aggregate performance score
Ryzen 7 7745HX outperforms Ryzen 5 3450U by a whopping 387% based on our aggregate benchmark results.
Primary details
Comparing Ryzen 5 3450U and Ryzen 7 7745HX processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1423 | 281 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | AMD Picasso (Ryzen 3000 APU) | no data |
| Power efficiency | 26.60 | 35.31 |
| Architecture codename | Picasso-U (Zen+) (2019−2020) | Dragon Range (Zen 4) (2023) |
| Release date | 1 May 2020 (4 years ago) | 4 January 2023 (2 years ago) |
Detailed specifications
Ryzen 5 3450U and Ryzen 7 7745HX 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 | 4 (Quad-Core) | 8 (Octa-Core) |
| Threads | 8 | 16 |
| Base clock speed | 2.1 GHz | 3.6 GHz |
| Boost clock speed | 3.5 GHz | 5.1 GHz |
| L1 cache | 384 KB | 64K (per core) |
| L2 cache | 2 MB | 1 MB (per core) |
| L3 cache | 4 MB | 32 MB (shared) |
| Chip lithography | 12 nm | CCD = 5 nm, I/O = 6 nm |
| Die size | no data | 71 mm2 |
| Maximum core temperature | 105 °C | 100 °C |
| Number of transistors | 4500 Million | 6,570 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | + |
| Unlocked multiplier | - | + |
Compatibility
Information on Ryzen 5 3450U and Ryzen 7 7745HX 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 | no data | 1 |
| Socket | FP5 | FL1 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Ryzen 5 3450U and Ryzen 7 7745HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | + | + |
| FMA | + | + |
| AVX | + | + |
| Precision Boost 2 | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Ryzen 5 3450U and Ryzen 7 7745HX are enumerated here.
| AMD-V | - | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Ryzen 5 3450U and Ryzen 7 7745HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card Compare | AMD Radeon RX Vega 8 (Ryzen 2000/3000) ( - 1200 MHz) | AMD Radeon 610M (400 - 2200 MHz) |
Peripherals
Specifications and connection of peripherals supported by Ryzen 5 3450U and Ryzen 7 7745HX.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 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.
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.
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.
Geekbench 5.5 Multi-Core
Blender(-)
Geekbench 5.5 Single-Core
7-Zip Single
7-Zip
WebXPRT 3
CrossMark Overall
Pros & cons summary
| Performance score | 4.19 | 20.39 |
| Integrated graphics card | 4.37 | 2.79 |
| Recency | 1 May 2020 | 4 January 2023 |
| Physical cores | 4 | 8 |
| Threads | 8 | 16 |
| Power consumption (TDP) | 15 Watt | 55 Watt |
Ryzen 5 3450U has 56.6% faster integrated GPU, and 266.7% lower power consumption.
Ryzen 7 7745HX, on the other hand, has a 386.6% higher aggregate performance score, an age advantage of 2 years, and 100% more physical cores and 100% more threads.
The Ryzen 7 7745HX is our recommended choice as it beats the Ryzen 5 3450U in performance tests.
Other comparisons
We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.
