GPUs

Apple 76-Core M2 Ultra vs Apple 80-Core M3 Ultra Full Specs

9,728 Shaders
1.4GHz
10,240 Shaders
1.38GHz
Shared Memory819.2GB/sLPDDR5
Shared Memory819.2GB/sLPDDR5
··
27.2 TFLOPS
··
28.26 TFLOPS
Form Factor
iGPU
Form Factor
iGPU
TDP
Shared
TDP
Shared

Clock Speed
··
Clock Speed
··
Peak OPS
27.2 TFLOPSFP16
Peak OPS
28.26 TFLOPSFP16
FP32
27.2 TFLOPS
FP32
28.26 TFLOPS
Pixel Rate
425 GPixel/s
Pixel Rate
441.6 GPixel/s
Texture Rate
850 GTexel/s
Texture Rate
883.2 GTexel/s

Shaders
9,728 Shaders
Shaders
10,240 Shaders
TMUs
608 TMUs
TMUs
640 TMUs
ROPs
304 ROPs
ROPs
320 ROPs
RT Cores
-
RT Cores
80 RT-Cores
EUs
1,216 EUs
EUs
1,280 EUs

Boost Clock
1.4GHz
Boost Clock
1.38GHz

L2 Cache
16MB shared
L2 Cache
16MB 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
8
Multi-Monitor
8

Encoder Model
4x Apple Media Engine 2
Encoder Model
4x Apple Media Engine 3
Codec
AVC (H.264)
HEVC (H.265)
ProRes
Codec
AVC (H.264)
HEVC (H.265)
ProRes

Decoder Model
2x Apple Media Engine 2
Decoder Model
2x Apple Media Engine 3
Codec
AVC (H.264)
HEVC (H.265)
-
ProRes
Codec
AVC (H.264)
HEVC (H.265)
AV1
ProRes

Form Factor
iGPU
Form Factor
iGPU
Cooling
Passive
Cooling
Passive

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
M2 Ultra branding
Branding
M3 Ultra branding
Codename
G14D
Codename
G15D
Market Segment
Workstation
Market Segment
Workstation
Release Date
Jun 5, 2023
Release Date
Mar 5, 2025

Foundry
TSMC
Foundry
TSMC
Fabrication Node
N5P
Fabrication Node
N3B
Die Size
971mm²
Die Size
954mm²
Transistor Count
134 Billion
Transistor Count
184 Billion
Transistor Density
138 MTr/mm²
Transistor Density
193 MTr/mm²