NVIDIA Grace Blackwell GB10 vs Apple M5 Max (18C32G) Full Specs
20 Cores(10P+10E) 20 Threads(10P+10E) 3GHz | 18 Cores(6P+12M) 18 Threads(6P+12M) 4.61GHz |
TDP 150W | TDP 140W |
Bandwidth 273.1GB/s LPDDR5X | Bandwidth 460.8GB/s LPDDR5X |
iGPU | iGPU |
·· 992.9 TFLOPSFP16 | ·· 26.54 TFLOPSFP16 |
20 Cores 10P - 10E | 18 Cores 6P 12M - |
20 Threads 10P - 10E | 18 Threads 6P 12M - |
Base Clock 3GHz | Base Clock 4.61GHz |
Overclocking Locked | Overclocking Locked |
L1i 64KB P - | L1i 192KB P 192KB M |
L1d 64KB P - | L1d 128KB P 128KB M |
L2 1MB P - - | L2 1MB P 16MB P shared 16MB M shared |
SLC Cache - | SLC Cache 48MB |
Type LPDDR5X | Type LPDDR5X |
Max Memory 128GB | Max Memory 96GB |
ECC No | ECC No |
Channels 4 | Channels 3 |
Bus Width 256-bit | Bus Width 384-bit |
Speed 8533MT/s | Speed 9600MT/s |
Bandwidth 273.1GB/s | Bandwidth 460.8GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 273.1GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 460.8GB/s |
TDP 150W | TDP 140W |
Max Operating Temp - | Max Operating Temp 100°C Max |
- | PCIe PCIe 4.0 x1631.5GB/sBandwidth |
iGPU | iGPU |
Shaders 6144 | Shaders 4096 |
Boost Clock 2.52GHz | Boost Clock 1.62GHz |
·· 992.9 TFLOPSFP16 | ·· 26.54 TFLOPSFP16 |
NPU Model - | NPU Model H17 Hyperion |
NPU Cores - | NPU Cores 16 |
NPU Clock - | NPU Clock 2.45GHz |
Performance - | Performance 38 TOPSINT8 |
Manufacturer | Manufacturer |
ISA AArch64 | ISA AArch64 |
Architecture | Architecture Apple Silicon 15ARMv9.2-A |
Family - | Family |
Branding ![]() | Branding ![]() |
Codename Grace Blackwell GB10Die Grace Blackwell GB10Variant Cortex-X925P-Core - Cortex-A725E-Core | Codename Sotra-S - M5 MaxVariant AS15PP-Core AS15MM-Core - |
Market Segment Embedded | Market Segment Desktop |
Release Date Jan 6, 2025 | Release Date Mar 3, 2026 |
Foundry TSMC | Foundry TSMC |
Fabrication Node N3E | Fabrication Node N3P |
No images available
No images available
Laptops - | Laptops |
Desktops | Desktops - |



