CPUs

Apple M3 Max (16C40G) vs Apple M4 Max (16C40G) Full Specs

16 Cores(12P+4E)
16 Threads(12P+4E)
4.05GHz
16 Cores(12P+4E)
16 Threads(12P+4E)
4.51GHz
TDP
140W
TDP
140W
Bandwidth
409.6GB/s
LPDDR5
Bandwidth
546.1GB/s
LPDDR5X
iGPU
iGPU
··
14.13 TFLOPSFP16
··
16.16 TFLOPSFP16

M3 Max (16C40G)M3 Max (16C40G)3,182
x1
M4 Max (16C40G)M4 Max (16C40G)4,060
x1.28

16 Cores
12P
4E
16 Cores
12P
4E
16 Threads
12P
4E
16 Threads
12P
4E

Base Clock
4.05GHz
Base Clock
4.51GHz
Overclocking
Locked
Overclocking
Locked

L1i
192KB P
128KB E
L1i
192KB P
128KB E
L1d
128KB P
64KB E
L1d
128KB P
64KB E
L2
32MB P shared
4MB E shared
L2
32MB P shared
4MB E shared
SLC Cache
48MB
SLC Cache
48MB

Type
LPDDR5
Type
LPDDR5X
Max Memory
128GB
Max Memory
128GB
ECC
No
ECC
No
Channels
4
Channels
4
Bus Width
512-bit
Bus Width
512-bit
Speed
6400MT/s
Speed
8533MT/s
Bandwidth
409.6GB/s
Bandwidth
546.1GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
409.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
546.1GB/s

TDP
140W
TDP
140W
Max Operating Temp
100°C Max
Max Operating Temp
100°C Max

PCIe
PCIe 4.0 x16
31.5GB/sBandwidth
PCIe
PCIe 4.0 x16
31.5GB/sBandwidth

iGPU
iGPU
Shaders
5120
Shaders
5120
Boost Clock
1.38GHz
Boost Clock
1.58GHz
··
14.13 TFLOPSFP16
··
16.16 TFLOPSFP16

NPU Model
H15 Erebus
NPU Model
H16 Aether
NPU Cores
16
NPU Cores
16
NPU Clock
2.36GHz
NPU Clock
2.36GHz
Performance
18 TOPSFP16
Performance
38 TOPSINT8

Manufacturer
Manufacturer
ISA
AArch64
ISA
AArch64
Architecture
Architecture
Family
Family
Branding
M3 Max  branding
Branding
M4 Max  branding
Codename
Palma-M
M3 MaxVariant
EverestP-Core
Sawtooth E-Core
Codename
Brava
M4 MaxVariant
AS14PP-Core
AS14EE-Core
Market Segment
Desktop
Market Segment
Desktop
Release Date
Oct 30, 2023
Release Date
Oct 30, 2024

Foundry
TSMC
Foundry
TSMC
Fabrication Node
N3B
Fabrication Node
N3E
Die Size
477mm²
Die Size
454mm²
Transistor Count
92 Billion
Transistor Count
76 Billion
Transistor Density
193 MTr/mm²
Transistor Density
167 MTr/mm²

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