NVIDIA GeForce RTX 5070 Mobile vs NVIDIA GeForce MX450 25W
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
907 MHz
720 MHz
Boost Clock
1425 MHz
930 MHz
Memory Clock
1500 MHz
1250 MHz
Memory
Memory Size
8GB
2GB
Memory Type
GDDR7
GDDR6
Memory Bus
128bit
64bit
Bandwidth
384.0GB/s
80.00GB/s
Render Config
SM Count
36
14
Shading Units
4608
896
TMUs
144
56
ROPs
48
32
Tensor Cores
144
-
RT Cores
36
-
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
32 MB
512 KB
Theoretical Performance
Pixel Rate
68.40 GPixel/s
29.76 GPixel/s
Texture Rate
205.2 GTexel/s
52.08 GTexel/s
FP16 (half)
13.13 TFLOPS
3.333 TFLOPS
FP32 (float)
13.13 TFLOPS
1.667 TFLOPS
FP64 (double)
205.2 GFLOPS
52.08 GFLOPS
Graphics Processor
GPU Name
GB206
TU117
GPU Variant
GB206
N18S-G5
Architecture
Blackwell 2.0
Turing
Foundry
TSMC
TSMC
Process Size
5 nm
12 nm
Transistors
21.9 billion
4.7 billion
Die Size
181 mm²
200 mm²
Board Design
TDP
50W
25W
Suggested PSU
300 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
📊 Benchmark
3DMark Time Spy
13,629
1,706