NVIDIA B300 SXM6 AC vs NVIDIA GeForce RTX 4050 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Jan 2023
Generation
Server Blackwell
GeForce 40 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1665 MHz
1455 MHz
Boost Clock
2032 MHz
1755 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
288GB
6GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
96bit
Bandwidth
8.19TB/s
192.0GB/s
Render Config
SM Count
148
20
Shading Units
18944
2560
TMUs
592
80
ROPs
24
48
Tensor Cores
592
80
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
126 MB
12 MB
RT Cores
—
20
Theoretical Performance
Pixel Rate
48.77 GPixel/s
84.24 GPixel/s
Texture Rate
1202.9 GTexel/s
140.4 GTexel/s
FP16 (half)
76.99 TFLOPS
8.986 TFLOPS
FP32 (float)
76.99 TFLOPS
8.986 TFLOPS
FP64 (double)
1202.9 GFLOPS
140.4 GFLOPS
Graphics Processor
GPU Name
GB110
AD107
Architecture
Blackwell Ultra
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
208 billion
18.9 billion
Die Size
1628 mm²
159 mm²
GPU Variant
—
GN21-X2
Board Design
TDP
1100W
50W
Suggested PSU
1500 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
Benchmark
3DMark Time Spy
—
1,788
▲ Specs Compare
Data sourced from official specifications and benchmark tests.