NVIDIA GeForce MX450 30.5W 10Gbps vs NVIDIA B300
GPU Specs Compare
Graphics Card
Release Date
Aug 2020
Sep 2025
Generation
GeForce MX
Server Blackwell
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 5.0 x16
Clock Speeds
Base Clock
1395 MHz
1665 MHz
Boost Clock
1575 MHz
2032 MHz
Memory Clock
1250 MHz
2000 MHz
Memory
Memory Size
2GB
144GB
Memory Type
GDDR6
HBM3e
Memory Bus
64bit
4096bit
Bandwidth
80.00GB/s
4.10TB/s
Render Config
SM Count
14
148
Shading Units
896
18944
TMUs
56
592
ROPs
32
24
L1 Cache
64 KB (per SM)
256 KB (per SM)
L2 Cache
512 KB
50 MB
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
50.40 GPixel/s
48.77 GPixel/s
Texture Rate
88.20 GTexel/s
1202.9 GTexel/s
FP16 (half)
5.645 TFLOPS
1231.8 TFLOPS
FP32 (float)
2.822 TFLOPS
76.99 TFLOPS
FP64 (double)
88.20 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
TU117
GB110
GPU Variant
N18S-G5
-
Architecture
Turing
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
12 nm
5 nm
Transistors
4.7 billion
104 billion
Die Size
200 mm²
Unknown
Board Design
TDP
31W
1400W
Outputs
No outputs
No outputs
Power Connectors
None
-
Suggested PSU
-
1800 W
Graphics Features
DirectX
12 (12_1)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
7.5
10.3
Shader Model
6.6
N/A