AMD Ryzen 5 6600H vs X940: comparison
Comparison of AMD Ryzen 5 6600H and X940: key differences and a full specification table.
Key differences
AMD Ryzen 5 6600H has more cores (6 vs 4), more threads (12 vs 4) and a higher base clock (3.3 GHz vs 2.4 GHz).
Both processors match on: TDP (45 W).
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 5 6600H | X940 |
|---|---|---|
| Cores / threads | 6 / 12 | 4 / 4 |
| Max boost clock | 4.5 GHz | — |
| L3 cache | 16 MB | — |
| TDP | 45 W | 45 W |
| Process | 6 nm | — |
| Integrated graphics | AMD Radeon 660M | — |
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 5 6600H | X940 |
|---|---|---|
| General | ||
| Codename | Rembrandt | Phenom |
| Segment | Mobile | Mobile |
| Product line | AMD Ryzen 5 Mobile Processors with Radeon Graphics | AMD Phenom II Black Edition Quad-Core Mobile Processors |
| Product family | AMD Ryzen Processors | AMD Phenom |
| Architecture | "Zen 3+" | — |
| Process | 6 nm | — |
| Dies per package | 1 | — |
| Unlocked for overclocking | No | Yes |
| Operating system support | 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 | — |
| Consumer oriented | Yes | — |
| CPU | ||
| Cores | 6 | 4 |
| Threads | 12 | 4 |
| Multithreading (SMT/HT) | Yes | — |
| Base clock | 3.3 GHz | 2.4 GHz |
| Max boost clock | 4.5 GHz | — |
| L1 cache | 384 KB | 512 KB |
| L2 cache | 3 MB | 2 MB |
| L3 cache | 16 MB | — |
| TDP | 45 W | 45 W |
| Instruction set | x86-64 | — |
| Instruction set extensions | AES, AMD-V, AVX, AVX2, FMA3, MMX(+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3, x86-64 | — |
| Boost technology | Precision Boost 2 | — |
| Memory | ||
| Max memory size | 64 GB | — |
| Memory types | DDR5 | DDR3 |
| Memory channels | 2 | — |
| ECC memory supported | Yes | — |
| Memory speed (text) | 4x1R | DDR5-4800 | | | 4x1R | LPDDR5-6400 | — |
| Memory form factor | UDIMM | — |
| Graphics | ||
| Integrated graphics | AMD Radeon 660M | — |
| Has integrated graphics | Yes | No |
| Graphics max frequency | 1.9 GHz | — |
| Graphics units | 6 | — |
| Graphics video max memory | 2 GB | — |
| Max displays | 4 | — |
| DirectX | 12 | — |
| OpenGL | 4.6 | — |
| OpenCL | 2.2 | — |
| DisplayPort over USB-C | Yes | — |
| Shading units | 384 | — |
| HDCP version | 2.2 | — |
| Adaptive sync | Yes | — |
| DisplayPort version | 2 | — |
| HDMI version | 2.1 | — |
| Multi-display support | Yes | — |
| Wireless display | Miracast | — |
| I/O and interfaces | ||
| PCI Express revision | 4 | — |
| PCI Express lanes | 20 | — |
| SATA ports | 0 | — |
| USB 2.0 ports | 4 | — |
| USB 3.2 Gen 2 ports | 2 | — |
| NVMe support | Boot, RAID0, RAID1, RAID10 | — |
| USB Type-C support | Yes | — |
| USB 3.2 Gen 1 ports | 0 | — |
| Package and thermal | ||
| Sockets supported | FP7 | S1 |
| TJUNCTION | 95 °C | 100 °C |
| Die size | 210 mm² | — |
| Security and virtualization | ||
| Execute Disable Bit | Yes | — |
| AMD PRO technologies | No | — |
| Identifiers | ||
| Product ID (OEM) | FP7:100-000000546 FP7r2: 100-000000562 | HMX940HIR42GM |