GPUs

Apple 48-Core M1 Ultra vs Apple 80-Core M3 Ultra Full Specs

6,144 Shaders
1.3GHz
10,240 Shaders
1.38GHz
Shared Memory819.2GB/sLPDDR5
Shared Memory819.2GB/sLPDDR5
··
15.93 TFLOPS
··
28.26 TFLOPS
Form Factor
iGPU
Form Factor
iGPU
TDP
Shared
TDP
Shared

48-Core M1 Ultra48-Core M1 Ultra15.93 TFLOPSFP16
x1
80-Core M3 Ultra80-Core M3 Ultra28.26 TFLOPSFP16
x1.77

Clock Speed
··
Clock Speed
··
Peak OPS
15.93 TFLOPSFP16
Peak OPS
28.26 TFLOPSFP16
FP32
15.93 TFLOPS
FP32
28.26 TFLOPS
Pixel Rate
248.8 GPixel/s
Pixel Rate
441.6 GPixel/s
Texture Rate
497.7 GTexel/s
Texture Rate
883.2 GTexel/s

Shaders
6,144 Shaders
Shaders
10,240 Shaders
TMUs
384 TMUs
TMUs
640 TMUs
ROPs
192 ROPs
ROPs
320 ROPs
RT Cores
-
RT Cores
80 RT-Cores
EUs
768 EUs
EUs
1,280 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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