AMD Ryzen 9 9950X3D vs Apple M3 Ultra (32C80G) Full Specs
16 Cores 32 Threads 4.3GHz | 32 Cores(24P+8E) 32 Threads(24P+8E) 4.05GHz |
TDP 170W | TDP 300W |
Bandwidth 89.6GB/s DDR5 | Bandwidth 819.2GB/s LPDDR5 |
iGPU | iGPU |
·· 1.13 TFLOPSFP16 | ·· 28.26 TFLOPSFP16 |
Socket | Socket - |
16 Cores 16P - | 32 Cores 24P 8E |
32 Threads 32P - | 32 Threads 24P 8E |
Base Clock 4.3GHz | Base Clock 4.05GHz |
Boost Clock 5.7GHz | Boost Clock - |
Overclocking Unlocked | Overclocking Locked |
L1i 32KB P - | L1i 192KB P 128KB E |
L1d 48KB P - | L1d 128KB P 64KB E |
L2 1MB P - - | L2 64MB P shared 4MB E shared |
L3 128MB(V-Cache) | L3 - |
SLC Cache - | SLC Cache 96MB |
Type DDR5 | Type LPDDR5 |
Max Memory 192GB | Max Memory 128GB |
ECC Yes | ECC No |
Channels 2 | Channels 8 |
Bus Width 128-bit | Bus Width 1024-bit |
Speed 5600MT/s | Speed 6400MT/s |
Bandwidth 89.6GB/s | Bandwidth 819.2GB/s |
Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 89.6GB/s | Bandwidth Calculator Channels Transfer Rate Calculated Bandwidth 819.2GB/s |
TDP 170W | TDP 300W |
Max Operating Temp 95°C Max | Max Operating Temp 100°C Max |
Included Cooler 0 | Included Cooler - |
Bus Type PCIe | Bus Type - |
Bus Config 8 lanes | Bus Config - |
Bus Speed 32GT/s | Bus Speed - |
Bus Bandwidth 32GB/s | Bus Bandwidth - |
PCIe PCIe 5.0 x2494.5GB/sBandwidth | PCIe PCIe 4.0 x3263GB/sBandwidth |
iGPU | iGPU |
Shaders 128 | Shaders 10240 |
Boost Clock 2.2GHz | Boost Clock 1.38GHz |
·· 1.13 TFLOPSFP16 | ·· 28.26 TFLOPSFP16 |
NPU Model - | NPU Model H15 Erebus |
NPU Cores - | NPU Cores 32 |
NPU Clock - | NPU Clock 2.36GHz |
Performance - | Performance 36 TOPSFP16 |
Manufacturer | Manufacturer |
ISA x86-64 | ISA AArch64 |
Architecture | Architecture Apple Silicon 13ARMv8.6-A |
Family | Family |
Branding ![]() | Branding ![]() |
Codename Granite Ridge EldoraDie Granite Ridge 2CCD 3DVariant - - | Codename Palma-D - M3 UltraVariant EverestP-Core Sawtooth E-Core |
Market Segment Desktop | Market Segment Workstation |
Release Date Jan 6, 2025 | Release Date Mar 5, 2025 |
Foundry TSMC | Foundry TSMC |
Other Foundries TSMCIO | Other Foundries - |
Fabrication Node N4X N6IO | Fabrication Node N3B - |
Die Size 141mm² 122mm²IO | Die Size 954mm² - |
Transistor Count 16.6 Billion 3.4 BillionIO | Transistor Count 184 Billion - |
Transistor Density 118 MTr/mm² 28 MTr/mm²IO | Transistor Density 193 MTr/mm² - |
No images available
No images available
Desktops - | Desktops |



