NVIDIA B300 vs NVIDIA GeForce RTX 4060 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Jan 2023
Generation
Server Blackwell
GeForce 40 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1665 MHz
1545 MHz
Boost Clock
2032 MHz
1890 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
144GB
8GB
Memory Type
HBM3e
GDDR6
Memory Bus
4096bit
128bit
Bandwidth
4.10TB/s
256.0GB/s
Render Config
SM Count
148
24
Shading Units
18944
3072
TMUs
592
96
ROPs
24
48
Tensor Cores
592
96
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
32 MB
RT Cores
—
24
Theoretical Performance
Pixel Rate
48.77 GPixel/s
90.72 GPixel/s
Texture Rate
1202.9 GTexel/s
181.4 GTexel/s
FP16 (half)
1231.8 TFLOPS
11.61 TFLOPS
FP32 (float)
76.99 TFLOPS
11.61 TFLOPS
FP64 (double)
1202.9 GFLOPS
181.4 GFLOPS
Graphics Processor
GPU Name
GB110
AD107
Architecture
Blackwell Ultra
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
104 billion
18.9 billion
Die Size
Unknown
159 mm²
GPU Variant
—
GN21-X4
Board Design
TDP
1400W
115W
Suggested PSU
1800 W
—
Outputs
No outputs
Portable Device Dependent
Power Connectors
—
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
10.3
8.9
Shader Model
N/A
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.