NVIDIA GeForce RTX 3080 Ti Max Q vs NVIDIA B300
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Sep 2025
Generation
GeForce 30 Mobile
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
585 MHz
1665 MHz
Boost Clock
1125 MHz
2032 MHz
Memory Clock
1500 MHz
2000 MHz
Memory
Memory Size
16GB
144GB
Memory Type
GDDR6
HBM3e
Memory Bus
256bit
4096bit
Bandwidth
384.0GB/s
4.10TB/s
Render Config
SM Count
58
148
Shading Units
7424
18944
TMUs
232
592
ROPs
96
24
Tensor Cores
232
592
RT Cores
58
-
L1 Cache
128 KB (per SM)
256 KB (per SM)
L2 Cache
4 MB
50 MB
Theoretical Performance
Pixel Rate
108.0 GPixel/s
48.77 GPixel/s
Texture Rate
261.0 GTexel/s
1202.9 GTexel/s
FP16 (half)
16.70 TFLOPS
1231.8 TFLOPS
FP32 (float)
16.70 TFLOPS
76.99 TFLOPS
FP64 (double)
261.0 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
GA103S
GB110
GPU Variant
GN20-E8-A1
-
Architecture
Ampere
Blackwell Ultra
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
Unknown
104 billion
Die Size
496 mm²
Unknown
Board Design
TDP
80W
1400W
Outputs
No outputs
No outputs
Power Connectors
None
-
Suggested PSU
-
1800 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.6
10.3
Shader Model
6.5
N/A