Apple 48-Core M1 Ultra

48-Core M1 Ultra

Apple 32-Core M4 Max

32-Core M4 Max

Apple 48-Core M1 Ultra vs Apple 32-Core M4 Max Full Specs

6,144 Shaders
1.3GHz
4,096 Shaders
1.58GHz
Shared Memory819.2GB/sLPDDR5
Shared Memory409.6GB/sLPDDR5X
··
15.93 TFLOPS
··
12.93 TFLOPS
Form Factor
iGPU
Form Factor
iGPU
TDP
Shared
TDP
Shared

48-Core M1 Ultra48-Core M1 Ultra15.93 TFLOPSFP16
x1.23
32-Core M4 Max32-Core M4 Max12.93 TFLOPSFP16
x1

Clock Speed
··
Clock Speed
··
Peak OPS
15.93 TFLOPSFP16
Peak OPS
12.93 TFLOPSFP16
FP16
15.93 TFLOPS
FP16
12.93 TFLOPS
FP32
15.93 TFLOPS
FP32
12.93 TFLOPS
Pixel Rate
248.8 GPixel/s
Pixel Rate
202 GPixel/s
Texture Rate
497.7 GTexel/s
Texture Rate
404 GTexel/s

Shaders
6,144 Shaders
Shaders
4,096 Shaders
TMUs
384 TMUs
TMUs
256 TMUs
ROPs
192 ROPs
ROPs
128 ROPs
RT Cores
-
RT Cores
32 RT-Cores
EUs
768 EUs
EUs
512 EUs

Boost Clock
1.3GHz
Boost Clock
1.58GHz

L2 Cache
8MB shared
L2 Cache
8MB shared

Shared MemoryLPDDR5
Shared MemoryLPDDR5X
Memory Bus
1024-bit
Memory Bus
384-bit
Memory Speed
6.4GT/s
Memory Speed
8.5GT/s
Memory Bandwidth
819.2GB/s
Memory Bandwidth
409.6GB/s
ECC
No
ECC
No

Max Resolution
6016x3384
Max Resolution
7680x4320
Refresh Rate Calculator
6016x3384
Resolution6K
Refresh Rate
60Hz
Refresh Rate Calculator
7680x4320
Resolution8K UHD
Refresh Rate
120Hz
Multi-Monitor
5
Multi-Monitor
4
DSC
Supported
DSC
Supported

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

Decoder
2x Apple Media Engine 2
Decoder
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
Blower
2x Fans
Cooling
Blower
2x Fans

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
M1 Ultra branding
Branding
M4 Max branding
Codename
G13D
Codename
G16C
Market Segment
Workstation
Market Segment
Laptop
Release Date
Mar 8, 2022
Release Date
Oct 30, 2024

Foundry
TSMC
Foundry
TSMC
Fabrication Node
N5
Fabrication Node
N3E
Die Size
865mm²
Die Size
454mm²
Transistor Count
114B
Transistor Count
76B
Transistor Density
132 MTr/mm²
Transistor Density
167 MTr/mm²