NVIDIA GeForce MX450 30.5W 10Gbps vs AMD Radeon RX 640 Mobile
GPU Specs Compare
Graphics Card
Release Date
Aug 2020
May 2019
Generation
GeForce MX
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x8
Clock Speeds
Base Clock
1395 MHz
1082 MHz
Boost Clock
1575 MHz
1218 MHz
Memory Clock
1250 MHz
1500 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
64bit
Bandwidth
80.00GB/s
48.00GB/s
Render Config
SM Count
14
-
Shading Units
896
640
TMUs
56
40
ROPs
32
16
L1 Cache
64 KB (per SM)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Compute Units
-
10
Theoretical Performance
Pixel Rate
50.40 GPixel/s
19.49 GPixel/s
Texture Rate
88.20 GTexel/s
48.72 GTexel/s
FP16 (half)
5.645 TFLOPS
1.559 TFLOPS
FP32 (float)
2.822 TFLOPS
1.559 TFLOPS
FP64 (double)
88.20 GFLOPS
97.44 GFLOPS
Graphics Processor
GPU Name
TU117
Polaris 23
GPU Variant
N18S-G5
Polaris 23 XT
Architecture
Turing
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
12 nm
14 nm
Transistors
4.7 billion
2.2 billion
Die Size
200 mm²
103 mm²
Board Design
TDP
31W
50W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.2
CUDA
7.5
-
Shader Model
6.6
6.4