Apple M3 Ultra (28C60G) vs Intel Core i5-12400 Full Specs

Summary

28 Cores(20P+8E) 28 Threads(20P+8E) 4.05GHz	6 Cores 12 Threads 2.5GHz
TDP 300W	TDP 65W
Bandwidth 819.2GB/s LPDDR5	Bandwidth 76.8GB/s DDR5·DDR4
iGPU 60-Core M3 Ultra	iGPU UHD 730 1450MHz
Peak·FP32·FP16 21.2 TFLOPSFP16	Peak·FP32·FP16 1.11 TFLOPSFP16
Socket -	Socket LGA 1700

Highlights

Geekbench 6 Single

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

M3 Ultra (28C60G)3,213

x1.46

Core i5-124002,206

x1

Show Top Score

Core Config

28 Cores 20P 8E	6 Cores 6P -
28 Threads 20P 8E	12 Threads 12P -

Clocks

Base Clock 4.05GHz	Base Clock 2.5GHz
Boost Clock -	Boost Clock 4.4GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 192KB P 128KB E	L1i 32KB P -
L1d 128KB P 64KB E	L1d 48KB P -
L2 64MB P shared 4MB E shared	L2 1.25MB P - -
L3 -	L3 18MB
SLC Cache 96MB	SLC Cache -

Memory

Type LPDDR5	Type DDR5·DDR4
Max Memory 128GB	Max Memory 128GB
ECC No	ECC No
Channels 8	Channels 2
Bus Width 1024-bit	Bus Width 128-bit
Speed 6400MT/s	Speed 4800MT/s
Bandwidth 819.2GB/s	Bandwidth 76.8GB/s
Bandwidth Calculator Channels Transfer Rate6400MT/s UC·Spec·OC 819.2GB/s	Bandwidth Calculator Channels Transfer Rate4800MT/s UC·Spec·OC 76.8GB/s

Power & Thermals

TDP 300W	TDP 65W
Peak Power -	Peak Power 117W
Max Operating Temp 100°C Max	Max Operating Temp 100°C Max
Included Cooler -	Included Cooler 1

Chipset Bus

Bus Type -	Bus Type DMI
Bus Config -	Bus Config 8 lanes
Bus Speed -	Bus Speed 16GT/s
Bus Bandwidth -	Bus Bandwidth 16GB/s

Expansion

PCIe PCIe 4.0 x32 63GB/sBandwidth	PCIe PCIe 5.0 x16 63GB/sBandwidth
-	PCIe Secondary PCIe 4.0 x4 7.9GB/sBandwidth

iGPU

iGPU 60-Core M3 Ultra	iGPU UHD 730 1450MHz
Shaders 7680	Shaders 192
Boost Clock 1.38GHz	Boost Clock 1.45GHz
Peak·FP32·FP16 21.2 TFLOPSFP16	Peak·FP32·FP16 1.11 TFLOPSFP16

NPU

NPU Model H15 Erebus	NPU Model GNA 3.0
NPU Cores 32	NPU Cores -
NPU Clock 2.36GHz	NPU Clock -
Performance 36 TOPSFP16	Performance -

Chip

Manufacturer Apple	Manufacturer Intel
ISA AArch64	ISA x86-64
Architecture Apple Silicon 13ARMv8.6-A	Architecture Alder Lake
Family M Series	Family Core 12th Gen
Branding	Branding
Codename Palma-D M3 UltraVariant EverestP-Core Sawtooth E-Core	Codename Alder Lake-S Alder Lake-6PVariant Golden CoveP-Core -
Market Segment Workstation	Market Segment Desktop
Release Date Mar 5, 2025	Release Date Jan 18, 2022

Fabrication

Foundry TSMC	Foundry Intel
Fabrication Node N3B	Fabrication Node Intel 7
Die Size 954mm²	Die Size 158mm²
Transistor Count 184B	Transistor Count 11.4B
Transistor Density 193 MTr/mm²	Transistor Density 72 MTr/mm²

Images