Intel Data Center GPU Max Subsystem vs NVIDIA B300 SXM6 AC
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Sep 2025
Generation
Data Center GPU
Server Blackwell
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
900 MHz
1665 MHz
Boost Clock
1600 MHz
2032 MHz
Memory Clock
1565 MHz
2000 MHz
Memory
Memory Size
128GB
288GB
Memory Type
HBM2e
HBM3e
Memory Bus
8192bit
8192bit
Bandwidth
3205GB/s
8.19TB/s
Render Config
Shading Units
16384
18944
TMUs
1024
592
ROPs
0
24
Tensor Cores
1024
592
RT Cores
128
-
L1 Cache
64 KB (per EU)
256 KB (per SM)
L2 Cache
408 MB
126 MB
SM Count
-
148
Theoretical Performance
Pixel Rate
0 MPixel/s
48.77 GPixel/s
Texture Rate
1638 GTexel/s
1202.9 GTexel/s
FP16 (half)
52.43 TFLOPS
76.99 TFLOPS
FP32 (float)
52.43 TFLOPS
76.99 TFLOPS
FP64 (double)
52.43 TFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Ponte Vecchio
GB110
Architecture
Generation 12.5
Blackwell Ultra
Foundry
Intel
TSMC
Process Size
10 nm
5 nm
Transistors
100 billion
208 billion
Die Size
1280 mm²
1628 mm²
Board Design
TDP
2400W
1100W
Suggested PSU
2800 W
1500 W
Outputs
No outputs
No outputs
Power Connectors
1x 16-pin
-
Graphics Features
DirectX
12 (12_1)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
Shader Model
6.6
N/A
CUDA
-
10.3