NVIDIA GeForce RTX 5080 Mobile vs NVIDIA GeForce MX450 30.5W 10Gbps
GPU Specs Compare
Graphics Card
Release Date
Apr 2025
Aug 2020
Generation
GeForce 50 Mobile
GeForce MX
Type
Mobile
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
975 MHz
1395 MHz
Boost Clock
1500 MHz
1575 MHz
Memory Clock
1750 MHz
1250 MHz
Memory
Memory Size
16GB
2GB
Memory Type
GDDR7
GDDR6
Memory Bus
256bit
64bit
Bandwidth
896.0GB/s
80.00GB/s
Render Config
SM Count
60
14
Shading Units
7680
896
TMUs
240
56
ROPs
96
32
Tensor Cores
240
-
RT Cores
60
-
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
64 MB
512 KB
Theoretical Performance
Pixel Rate
144.0 GPixel/s
50.40 GPixel/s
Texture Rate
360.0 GTexel/s
88.20 GTexel/s
FP16 (half)
23.04 TFLOPS
5.645 TFLOPS
FP32 (float)
23.04 TFLOPS
2.822 TFLOPS
FP64 (double)
360.0 GFLOPS
88.20 GFLOPS
Graphics Processor
GPU Name
GB203
TU117
Architecture
Blackwell 2.0
Turing
Foundry
TSMC
TSMC
Process Size
5 nm
12 nm
Transistors
45.6 billion
4.7 billion
Die Size
378 mm²
200 mm²
GPU Variant
-
N18S-G5
Board Design
TDP
80W
31W
Suggested PSU
550 W
-
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
12.0
7.5
Shader Model
6.8
6.6