AMD Ryzen 7 PRO 7745 vs AMD Ryzen 5 PRO 7645: comparison
Comparison of AMD Ryzen 7 PRO 7745 and AMD Ryzen 5 PRO 7645: key differences and a full specification table.
Key differences
AMD Ryzen 7 PRO 7745 has more cores (8 vs 6), more threads (16 vs 12) and a higher maximum clock (5.3 GHz vs 5.1 GHz).
Both processors match on: base clock (3.8 GHz), L3 cache (32 MB), TDP (65 W), process node (5 nm), maximum memory size (128 GB), memory channels (2), PCIe version (5), maximum integrated graphics clock (2.2 GHz).
These are specification values: they show differences between the models but do not determine a performance winner. For a specific workload, rely on independent benchmarks.
Key specifications
| Parameter | AMD Ryzen 7 PRO 7745 | AMD Ryzen 5 PRO 7645 |
|---|---|---|
| Cores / threads | 8 / 16 | 6 / 12 |
| Max boost clock | 5.3 GHz | 5.1 GHz |
| L3 cache | 32 MB | 32 MB |
| TDP | 65 W | 65 W |
| Process | 5 nm | 5 nm |
| Integrated graphics | AMD Radeon Graphics | AMD Radeon Graphics |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | AMD Ryzen 7 PRO 7745 | AMD Ryzen 5 PRO 7645 |
|---|---|---|
| General | ||
| Codename | Raphael | Raphael |
| Segment | Desktop | Desktop |
| Architecture | "Zen 4" | "Zen 4" |
| Process | 5 nm | 5 nm |
| Dies per package | 2 | 2 |
| Unlocked for overclocking | No | No |
| Operating system support | Windows 11 - 64-Bit Edition, Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit | Windows 11 - 64-Bit Edition, Windows 10 - 64-Bit Edition, RHEL x86 64-Bit, Ubuntu x86 64-Bit |
| Regional availability | Global | Global |
| Consumer oriented | Yes | Yes |
| Commercial oriented | Yes | Yes |
| Recommended cooling | AMD Wraith Spire | AMD Wraith Spire |
| CPU | ||
| Cores | 8 | 6 |
| Threads | 16 | 12 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 3.8 GHz | 3.8 GHz |
| Max boost clock | 5.3 GHz | 5.1 GHz |
| L1 cache | 512 KB | 384 KB |
| L2 cache | 8 MB | 6 MB |
| L3 cache | 32 MB | 32 MB |
| TDP | 65 W | 65 W |
| Instruction set | x86-64 | x86-64 |
| Instruction set extensions | AES, AMD-V, AVX, AVX2, AVX512, FMA3, MMX(+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3, x86-64 | AES, AMD-V, AVX, AVX2, AVX512, FMA3, MMX(+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3, x86-64 |
| Boost technology | Precision Boost 2 | Precision Boost 2 |
| Memory | ||
| Max memory size | 128 GB | 128 GB |
| Memory types | DDR5 | DDR5 |
| Memory channels | 2 | 2 |
| ECC memory supported | Yes | Yes |
| Memory speed (text) | 2x1R | DDR5-5200 | | | 2x2R | DDR5-5200 | | | 4x1R | DDR5-3600 | | | 4x2R | DDR5-3600 | 2x1R | DDR5-5200 | | | 2x2R | DDR5-5200 | | | 4x1R | DDR5-3600 | | | 4x2R | DDR5-3600 |
| Memory form factor | UDIMM | UDIMM |
| Graphics | ||
| Integrated graphics | AMD Radeon Graphics | AMD Radeon Graphics |
| Has integrated graphics | Yes | Yes |
| Graphics max frequency | 2.2 GHz | 2.2 GHz |
| Graphics units | 2 | 2 |
| DisplayPort over USB-C | Yes | Yes |
| I/O and interfaces | ||
| PCI Express revision | 5 | 5 |
| PCI Express lanes | 28 | 28 |
| USB 2.0 ports | 1 | 1 |
| USB 3.2 Gen 2 ports | 4 | 4 |
| NVMe support | Boot, RAID0, RAID1, RAID10 | Boot, RAID0, RAID1, RAID10 |
| Compatible chipsets | A620, X670E, X670, B650E, B650 | A620, X670E, X670, B650E, B650 |
| USB Type-C support | Yes | Yes |
| USB 3.2 Gen 1 ports | 0 | 0 |
| Package and thermal | ||
| Sockets supported | AM5 | AM5 |
| TJUNCTION | 95 °C | 95 °C |
| Die size | 71 mm² | 71 mm² |
| I/O die process | 6 nm | 6 nm |
| I/O die size | 122 mm² | 122 mm² |
| Security and virtualization | ||
| Supported technologies | AMD PRO technologies | AMD PRO technologies |
| AMD PRO technologies | Yes | Yes |
| Technologies | ||
| Precision Boost Overdrive | No | No |
| AMD EXPO memory profiles | No | No |
| Curve Optimizer | No | No |
| Identifiers | ||
| Product ID (OEM) | 100-000000599 | 100-000000600 |
| Product ID (MPK) | 100-100000599MPK | 100-100000600MPK |