GPUs

Apple 64-Core M1 Ultra vs Apple 60-Core M3 Ultra Full Specs

8,192 Shaders
1.3GHz
7,680 Shaders
1.38GHz
Shared Memory819.2GB/sLPDDR5
Shared Memory819.2GB/sLPDDR5
··
21.23 TFLOPS
··
21.2 TFLOPS
Form Factor
iGPU
Form Factor
iGPU
TDP
Shared
TDP
Shared

64-Core M1 Ultra64-Core M1 Ultra21.23 TFLOPSFP16
x1.00
60-Core M3 Ultra60-Core M3 Ultra21.2 TFLOPSFP16
x1

Clock Speed
··
Clock Speed
··
Peak OPS
21.23 TFLOPSFP16
Peak OPS
21.2 TFLOPSFP16
FP32
21.23 TFLOPS
FP32
21.2 TFLOPS
Pixel Rate
331.8 GPixel/s
Pixel Rate
331.2 GPixel/s
Texture Rate
663.6 GTexel/s
Texture Rate
662.4 GTexel/s

Shaders
8,192 Shaders
Shaders
7,680 Shaders
TMUs
512 TMUs
TMUs
480 TMUs
ROPs
256 ROPs
ROPs
240 ROPs
RT Cores
-
RT Cores
60 RT-Cores
EUs
1,024 EUs
EUs
960 EUs

Boost Clock
1.3GHz
Boost Clock
1.38GHz

L2 Cache
8.2MB shared
L2 Cache
16.4MB shared

Shared MemoryLPDDR5
Shared MemoryLPDDR5
Memory Bus
1024-bit
Memory Bus
1024-bit
Memory Speed
6.4GT/s
Memory Speed
6.4GT/s
Memory Bandwidth
819.2GB/s
Memory Bandwidth
819.2GB/s
ECC
No
ECC
No

Multi-Monitor
5
Multi-Monitor
8

Encoder Model
4x Apple Media Engine 2
Encoder Model
4x Apple Media Engine 3

Decoder Model
2x Apple Media Engine 2
Decoder Model
2x Apple Media Engine 3

Form Factor
iGPU
Form Factor
iGPU
Cooling
Passive
Cooling
Passive

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
M1 Ultra branding
Branding
M3 Ultra branding
Codename
G13D
Codename
G15D
Market Segment
Workstation
Market Segment
Workstation
Release Date
Mar 8, 2022
Release Date
Mar 5, 2025

Foundry
TSMC
Foundry
TSMC
Fabrication Node
N5
Fabrication Node
N3B
Die Size
865mm²
Die Size
954mm²
Transistor Count
114 Billion
Transistor Count
184 Billion
Transistor Density
132 MTr/mm²
Transistor Density
193 MTr/mm²

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