Apple M3 Ultra (32C80G) vs Intel Core i7-4820K Full Specs

Summary

32 Cores(24P+8E) 32 Threads(24P+8E) 4.05GHz	4 Cores 8 Threads 3.7GHz
TDP 300W	TDP 130W
Bandwidth 819.2GB/s LPDDR5	Bandwidth 59.7GB/s DDR3
iGPU 80-Core M3 Ultra	iGPU -
Peak·FP32·FP16 28.26 TFLOPSFP16	Peak·FP32·FP16 -
Socket -	Socket LGA 2011

Highlights

Geekbench 6 Single

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

M3 Ultra (32C80G)3,221

x4.78

Core i7-4820K674

x1

Show Top Score

Core Config

32 Cores 24P 8E	4 Cores 4P -
32 Threads 24P 8E	8 Threads 8P -

Clocks

Base Clock 4.05GHz	Base Clock 3.7GHz
Boost Clock -	Boost Clock 3.9GHz
Overclocking Locked	Overclocking Locked

Cache

L1i 192KB P 128KB E	L1i 32KB P -
L1d 128KB P 64KB E	L1d 32KB P -
L2 64MB P shared 4MB E shared	L2 256KB P - -
L3 -	L3 10MB
SLC Cache 96MB	SLC Cache -

Memory

Type LPDDR5	Type DDR3
Max Memory 128GB	Max Memory 64GB
ECC No	ECC No
Channels 8	Channels 4
Bus Width 1024-bit	Bus Width 256-bit
Speed 6400MT/s	Speed 1866MT/s
Bandwidth 819.2GB/s	Bandwidth 59.7GB/s
Bandwidth Calculator Channels Transfer Rate6400MT/s Calculated Bandwidth 819.2GB/s	Bandwidth Calculator Channels Transfer Rate1866MT/s Calculated Bandwidth 59.7GB/s

Power & Thermals

TDP 300W	TDP 130W
Max Operating Temp 100°C Max	Max Operating Temp -
T-Case -	T-Case 66.8°C Max
Included Cooler -	Included Cooler 0

Chipset Bus

Bus Type -	Bus Type DMI
Bus Config -	Bus Config 4 lanes
Bus Speed -	Bus Speed 5GT/s
Bus Bandwidth -	Bus Bandwidth 2.5GB/s

Expansion

PCIe PCIe 4.0 x32 63GB/sBandwidth

PCIe PCIe 3.0 x28 27.6GB/sBandwidth

iGPU

iGPU 80-Core M3 Ultra	iGPU -
Shaders 10240	Shaders -
Boost Clock 1.38GHz	Boost Clock -
Peak·FP32·FP16 28.26 TFLOPSFP16	Peak·FP32·FP16 -

NPU

NPU Model H15 Erebus	NPU Model -
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 Ivy Bridge
Family M Series	Family Core 4th Gen
Branding	Branding
Codename Palma-D M3 UltraVariant EverestP-Core Sawtooth E-Core	Codename Ivy Bridge-E Ivy Bridge-EVariant - -
Market Segment Workstation	Market Segment Workstation
Release Date Mar 5, 2025	Release Date Sep 1, 2013

Fabrication

Foundry TSMC	Foundry Intel
Fabrication Node N3B	Fabrication Node 22nm
Die Size 954mm²	Die Size 257mm²
Transistor Count 184 Billion	Transistor Count 1.9 Billion
Transistor Density 193 MTr/mm²	Transistor Density 7 MTr/mm²

Images

No images available

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Used In

Desktops Mac Studio(M3 Ultra, Early 2025)

Desktops -

Competitors

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IntelCore i7-4820K vs CPU AppleM5 Max (18C32G) IntelCore i7-4820K vs CPU AppleM5 Max (18C40G) IntelCore i7-4820K vs CPU AppleM3 Ultra (28C60G) Show 5 more