AMD Ryzen 7 PRO 7840HS vs AMD Ryzen 7 PRO 7840U: comparison
Comparison of AMD Ryzen 7 PRO 7840HS and AMD Ryzen 7 PRO 7840U: key differences and a full specification table.
Key differences
AMD Ryzen 7 PRO 7840HS has a higher base clock (3.8 GHz vs 3.3 GHz).
At the same time, AMD Ryzen 7 PRO 7840U has a lower TDP (28 W vs 45 W).
Both processors match on: core count (8), thread count (16), maximum clock (5.1 GHz), L3 cache (16 MB), process node (4 nm), maximum memory size (256 GB), memory channels (2), PCIe version (4), maximum integrated graphics clock (2.7 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 7840HS | AMD Ryzen 7 PRO 7840U |
|---|---|---|
| Cores / threads | 8 / 16 | 8 / 16 |
| Max boost clock | 5.1 GHz | 5.1 GHz |
| L3 cache | 16 MB | 16 MB |
| TDP | 45 W | 28 W |
| Process | 4 nm | 4 nm |
| Integrated graphics | AMD Radeon 780M | AMD Radeon 780M |
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 7840HS | AMD Ryzen 7 PRO 7840U |
|---|---|---|
| General | ||
| Codename | Phoenix | Phoenix |
| Segment | Laptop | Mobile Workstation | Laptop | Mobile Workstation |
| Product line | AMD Ryzen 7 PRO Processors with Radeon Graphics | AMD Ryzen 7 PRO Processors with Radeon Graphics |
| Product family | AMD Ryzen PRO Processors | AMD Ryzen PRO Processors |
| Architecture | "Zen 4" | "Zen 4" |
| Process | 4 nm | 4 nm |
| Dies per package | 1 | 1 |
| 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, China, NA, EMEA, APJ, LATAM | Global, China, NA, EMEA, APJ, LATAM |
| Consumer oriented | No | No |
| Commercial oriented | Yes | Yes |
| CPU | ||
| Cores | 8 | 8 |
| Threads | 16 | 16 |
| Multithreading (SMT/HT) | Yes | Yes |
| Base clock | 3.8 GHz | 3.3 GHz |
| Max boost clock | 5.1 GHz | 5.1 GHz |
| L2 cache | 8 MB | 8 MB |
| L3 cache | 16 MB | 16 MB |
| TDP | 45 W | 28 W |
| Configurable TDP | 35–54 W | 15–30 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 | 256 GB | 256 GB |
| Memory types | DDR5, LPDDR5 | DDR5, LPDDR5 |
| Memory channels | 2 | 2 |
| ECC memory supported | Yes | Yes |
| Memory speed (text) | 4x2R | DDR5-5600 | | | 4x2R | LPDDR5x-7500 | 4x2R | DDR5-5600 | | | 4x2R | LPDDR5x-7500 |
| Memory form factor | UDIMM | UDIMM |
| Graphics | ||
| Integrated graphics | AMD Radeon 780M | AMD Radeon 780M |
| Has integrated graphics | Yes | Yes |
| Graphics max frequency | 2.7 GHz | 2.7 GHz |
| Graphics units | 12 | 12 |
| Max displays | 4 | 4 |
| DirectX | 12 | 12 |
| DisplayPort over USB-C | Yes | Yes |
| HDCP version | 2.3 | 2.3 |
| Adaptive sync | Yes | Yes |
| DisplayPort version | 2.1 | 2.1 |
| HDMI version | 2.1 | 2.1 |
| Multi-display support | Yes | Yes |
| Wireless display | Miracast | Miracast |
| I/O and interfaces | ||
| PCI Express revision | 4 | 4 |
| PCI Express lanes | 20 | 20 |
| USB 2.0 ports | 4 | 4 |
| USB 3.2 Gen 2 ports | 2 | 2 |
| NVMe support | Boot, RAID0, RAID1 | Boot, RAID0, RAID1 |
| Package and thermal | ||
| Sockets supported | FP7, FP7r2 | FP7, FP7r2 |
| TJUNCTION | 100 °C | 100 °C |
| Die size | 178 mm² | 178 mm² |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| AES-NI | Yes | Yes |
| Execute Disable Bit | Yes | Yes |
| 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) | 100-000000968 (FP7r2) 100-000000959 (FP7) | 100-000000961 (FP7r2), 100-000000970 (FP7) |