AMD Ryzen 9 9950X3D vs Apple M3 Ultra (28C60G) Full Specs

Summary

16 Cores 32 Threads 4.3GHz	28 Cores(20P+8E) 28 Threads(20P+8E) 4.05GHz
TDP 170W	TDP 300W
Bandwidth 89.6GB/s DDR5	Bandwidth 819.2GB/s LPDDR5
iGPU Radeon 2CU 2200MHz RDNA 2	iGPU 60-Core M3 Ultra
Peak·FP32·FP16 1.13 TFLOPSFP16	Peak·FP32·FP16 21.2 TFLOPSFP16
Socket AM5	Socket -

Highlights

Geekbench 6 Single

Geekbench 6 Single Geekbench 6 Multi Max Bandwidth iGPU Peak iGPU FP32 iGPU FP16 NPU TOPS TDP

Ryzen 9 9950X3D3,527

x1.10

M3 Ultra (28C60G)3,221

x1

Show Top Score

Core Config

16 Cores 16P -	28 Cores 20P 8E
32 Threads 32P -	28 Threads 20P 8E

Clocks

Base Clock 4.3GHz	Base Clock 4.05GHz
Boost Clock 5.7GHz	Boost Clock -
Overclocking Unlocked	Overclocking Locked

Cache

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

Memory

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 Rate5600MT/s Calculated Bandwidth 89.6GB/s	Bandwidth Calculator Channels Transfer Rate6400MT/s Calculated Bandwidth 819.2GB/s

Power & Thermals

TDP 170W	TDP 300W
Max Operating Temp 95°C Max	Max Operating Temp 100°C Max
Included Cooler 0	Included Cooler -

Chipset Bus

Bus Type PCIe	Bus Type -
Bus Config 8 lanes	Bus Config -
Bus Speed 32GT/s	Bus Speed -
Bus Bandwidth 32GB/s	Bus Bandwidth -

Expansion

PCIe PCIe 5.0 x24 94.5GB/sBandwidth

PCIe PCIe 4.0 x32 63GB/sBandwidth

iGPU

iGPU Radeon 2CU 2200MHz RDNA 2	iGPU 60-Core M3 Ultra
Shaders 128	Shaders 7680
Boost Clock 2.2GHz	Boost Clock 1.38GHz
Peak·FP32·FP16 1.13 TFLOPSFP16	Peak·FP32·FP16 21.2 TFLOPSFP16

NPU

NPU Model -	NPU Model H15 Erebus
NPU Cores -	NPU Cores 32
NPU Clock -	NPU Clock 2.36GHz
Performance -	Performance 36 TOPSFP16

Chip

Manufacturer AMD	Manufacturer Apple
ISA x86-64	ISA AArch64
Architecture Zen 5	Architecture Apple Silicon 13ARMv8.6-A
Family Ryzen 9000	Family M Series
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

Fabrication

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 -

Images

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Used In

Desktops -

Desktops Mac Studio(M3 Ultra, Early 2025)

Competitors

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