Intel Pentium Gold 8505 vs Intel Pentium Gold 6405U: comparison
Comparison of Intel Pentium Gold 8505 and Intel Pentium Gold 6405U: key differences and a full specification table.
Key differences
Intel Pentium Gold 8505 has more cores (5 vs 2), more threads (6 vs 4), a newer PCIe version (4 vs 2) and a higher maximum integrated graphics clock (1.1 GHz vs 950 MHz).
Both processors match on: maximum memory size (64 GB), memory channels (2).
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 | Intel Pentium Gold 8505 | Intel Pentium Gold 6405U |
|---|---|---|
| Cores / threads | 5 / 6 | 2 / 4 |
| Max boost clock | 4.4 GHz | — |
| L3 cache | 8 MB | — |
| TDP | — | 15 W |
| Process | Intel 7 | 14 nm |
| Integrated graphics | UHD-графика Intel для процессоров Intel Core 12-го поколения | UHD-графика Intel для процессоров Intel Core 10-го поколения |
Full specification table
Differing values are highlighted. This is not a better/worse rating: numbers from different architectures are not always comparable.
| Parameter | Intel Pentium Gold 8505 | Intel Pentium Gold 6405U |
|---|---|---|
| General | ||
| Model | 8505 | 6405U |
| Codename | Alder Lake | Comet Lake |
| Segment | Mobile | Mobile |
| Product line | Процессор Intel Pentium класса Gold | Процессор Intel Pentium класса Gold |
| Process | Intel 7 | 14 nm |
| Launch date | Q1 2022 | Q4 2019 |
| Status | Launched | Launched |
| Embedded options available | No | No |
| CPU | ||
| Cores | 5 | 2 |
| Threads | 6 | 4 |
| Multithreading (SMT/HT) | Yes | Yes |
| Performance cores | 1 | — |
| Efficient cores | 4 | — |
| Base clock | — | 2.4 GHz |
| Max boost clock | 4.4 GHz | — |
| P-core max turbo | 4.4 GHz | — |
| E-core max turbo | 3.3 GHz | — |
| L3 cache | 8 MB | — |
| Cache (level unspecified) | — | 2 MB |
| Bus speed | — | 4 GT/s |
| TDP | — | 15 W |
| Processor base power | 15 W | — |
| Maximum turbo power | 55 W | — |
| Minimum assured power | 12 W | — |
| Configurable TDP-down | — | 12.5 W |
| cTDP-down base frequency | — | 800 MHz |
| Turbo Boost | — | No |
| 64-bit support | — | Yes |
| Instruction set width | 64 bit | 64 bit |
| Instruction set extensions | SSE4.1, SSE4.2, AVX2 | SSE4.1, SSE4.2 |
| Memory | ||
| Max memory size | 64 GB | 64 GB |
| Memory types | DDR5, DDR4, LPDDR5, LPDDR4X | DDR4, LPDDR3 |
| Memory channels | 2 | 2 |
| Max memory bandwidth | — | 37.5 GB/s |
| ECC memory supported | No | No |
| Graphics | ||
| Integrated graphics | UHD-графика Intel для процессоров Intel Core 12-го поколения | UHD-графика Intel для процессоров Intel Core 10-го поколения |
| Has integrated graphics | Yes | Yes |
| Graphics base frequency | — | 300 MHz |
| Graphics max frequency | 1.1 GHz | 950 MHz |
| Graphics units | 48 | — |
| Graphics video max memory | — | 32 GB |
| Max displays | 4 | 3 |
| Max resolution (DP) | 7680x4320@60Hz | 4096x2304@60Hz |
| Max resolution (HDMI) | 4096x2304@60Hz | 4096x2304@24Hz |
| Max resolution (eDP) | 4096x2304@120Hz | 4096x2304@60Hz |
| DirectX | 12.1 | 12 |
| OpenGL | 4.6 | 4.5 |
| OpenCL | 3 | — |
| Graphics device ID | 0x46B3 | 0x9B21 |
| Quick Sync Video | Yes | Yes |
| Clear Video HD | — | Yes |
| Clear Video | — | Yes |
| Graphics output | eDP 1.4b, DP 1.4a, HDMI 2.1 | eDP/DP/HDMI/DVI |
| 4K support | — | Yes, at 60Hz |
| Multi-format codec engines | 1 | — |
| I/O and interfaces | ||
| PCI Express revision | 4 | 2 |
| Chipset PCIe revision | 3 | — |
| PCI Express lanes | 20 | 12 |
| PCI Express configurations | — | 1x4, 2x2, 1x2+2x1 and 4x1 |
| Thunderbolt 4 | Yes | — |
| Package and thermal | ||
| Sockets supported | FCBGA1744 | FCBGA1528 |
| Max CPU configuration | 1 | 1 |
| Package size | 50 x 25 | 46mm x 24mm |
| TJUNCTION | 100 °C | 100 °C |
| Security and virtualization | ||
| Virtualization (VT-x / AMD-V) | Yes | Yes |
| Virtualization for Directed I/O (VT-d) | Yes | Yes |
| Extended Page Tables (EPT) | Yes | Yes |
| AES-NI | Yes | Yes |
| Execute Disable Bit | Yes | Yes |
| Intel Trusted Execution Technology | — | No |
| Secure Key | Yes | Yes |
| Intel OS Guard | Yes | Yes |
| Intel Boot Guard | Yes | — |
| Intel Software Guard Extensions | — | Yes |
| Mode-based Execute Control | Yes | — |
| Control-Flow Enforcement Technology | Yes | — |
| Threat Detection Technology | Yes | — |
| QuickAssist Software Acceleration | Yes | — |
| Technologies | ||
| Enhanced SpeedStep | — | Yes |
| Idle States | — | Yes |
| Thermal Monitoring Technologies | Yes | Yes |
| Identity Protection Technology | — | Yes |
| Transactional Synchronization Extensions | — | No |
| Deep Learning Boost | Yes | — |
| Volume Management Device | Yes | — |
| Thread Director | Yes | — |
| Speed Shift Technology | Yes | Yes |
| Flex Memory Access | Yes | Yes |
| Optane Memory Supported | — | No |
| Smart Sound Technology | Yes | — |
| HD Audio | Yes | — |
| Wake on Voice | Yes | — |
| Gaussian & Neural Accelerator | Yes (3) | — |
| Image Processing Unit | Yes (6) | — |
| MIPI SoundWire | Yes (1.2) | — |
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