GPUs

Apple 80-Core M3 Ultra vs NVIDIA RTX PRO 4000 Blackwell Full Specs

10,240 Shaders
1.38GHz
8,960 Shaders
2.45GHz
Shared Memory819.2GB/sLPDDR5
24GB GDDR7672GB/s
··
28.26 TFLOPS
··
43.94 TFLOPS
Form Factor
iGPU
Form Factor
PCIe Card
TDP
Shared
TDP
140W
Power Connectors
-
Power Connectors
1x 16-Pin 12VHPWR

80-Core M3 Ultra80-Core M3 Ultra28.26 TFLOPSFP16
x1
RTX PRO 4000 BlackwellRTX PRO 4000 Blackwell1.41 PFLOPSFP4 Tensor Sparse
x49.75

Clock Speed
··
Clock Speed
··
Peak OPS
28.26 TFLOPSFP16
Peak OPS
1.41 PFLOPSFP4 Tensor Sparse
-
Tensor FP4
703 TFLOPS
FP4 Tensor Sparse
1.41 PFLOPS
-
Tensor FP8-16
351.5 TFLOPS
FP8-16 Tensor Sparse
703 TFLOPS
Tensor FP8-32
175.8 TFLOPS
FP8-32 Tensor Sparse
351.5 TFLOPS
-
Tensor FP16-16
175.8 TFLOPS
FP16-16 Tensor Sparse
351.5 TFLOPS
Tensor FP16-32
87.88 TFLOPS
FP16-32 Tensor Sparse
175.8 TFLOPS
-
BF16
43.94 TFLOPS
Tensor BF16
87.88 TFLOPS
BF16 Tensor Sparse
175.8 TFLOPS
Tensor TF32
-
Tensor TF32
43.94 TFLOPS
FP32
28.26 TFLOPS
FP32
43.94 TFLOPS
-
FP64
686.6 GFLOPS
-
Tensor INT8
351.5 TOPS
Ray
-
Ray
133.3 TOPS
Pixel Rate
441.6 GPixel/s
Pixel Rate
235.4 GPixel/s
Texture Rate
883.2 GTexel/s
Texture Rate
686.6 GTexel/s

Shaders
10,240 Shaders
Shaders
8,960 Shaders
TMUs
640 TMUs
TMUs
280 TMUs
ROPs
320 ROPs
ROPs
96 ROPs
Tensor Cores
-
Tensor Cores
280 T-Cores
RT Cores
80 RT-Cores
RT Cores
70 RT-Cores
EUs
1,280 EUs
SMs
70 SMs

Boost Clock
1.38GHz
Boost Clock
2.45GHz

L2 Cache
16.4MB shared
L2 Cache
49.1MB shared

Shared MemoryLPDDR5
24GB GDDR7
Memory Bus
1024-bit
Memory Bus
192-bit
Memory Speed
6.4GT/s
Memory Speed
28GT/s
Memory Bandwidth
819.2GB/s
Memory Bandwidth
672GB/s
ECC
-
ECC
Yes

TDP
Shared
TDP
140W

Multi-Monitor
8
Multi-Monitor
4
HDCP
-
HDCP
HDCP 2.3

-
4x DisplayPort 2.1

Encoder Model
4x Apple Media Engine 3
Encoder Model
2x NVENC 9

Decoder Model
2x Apple Media Engine 3
Decoder Model
2x NVDEC 6

Form Factor
iGPU
Form Factor
PCIe Card
PCIe
-
PCIe
1-Slots
-
Height
111.8 mm (4.4")
Width
241.3 mm (9.5")
Depth
20 mm (0.79")
Cooling
Passive
-
Cooling
Blower
1x Fan
Power Connectors
-
Power Connectors
1x 16-Pin 12VHPWR

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
M3 Ultra branding
Branding
RTX branding
Codename
G15D
Codename
NV193
Chip Variant
-
Chip Variant
GB203-200-A1
Market Segment
Workstation
Market Segment
Workstation
Release Date
Mar 5, 2025
Release Date
Mar 18, 2025

Foundry
TSMC
Foundry
TSMC
Fabrication Node
N3B
Fabrication Node
4NP
Die Size
954mm²
Die Size
378mm²
Transistor Count
184 Billion
Transistor Count
45.6 Billion
Transistor Density
193 MTr/mm²
Transistor Density
120.6 MTr/mm²

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