AMD Radeon R9 M290X vs NVIDIA GeForce MX450 30.5W 8Gbps
GPU Specs Compare
Graphics Card
Release Date
Jan 2014
Aug 2020
Generation
Gem System
GeForce MX
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
850 MHz
1035 MHz
Boost Clock
900 MHz
1275 MHz
Memory Clock
1200 MHz
2000 MHz
Memory
Memory Size
4GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
64bit
Bandwidth
153.6GB/s
64.00GB/s
Render Config
Compute Units
20
-
Shading Units
1280
896
TMUs
80
56
ROPs
32
32
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
512 KB
512 KB
SM Count
-
14
Theoretical Performance
Pixel Rate
28.80 GPixel/s
40.80 GPixel/s
Texture Rate
72.00 GTexel/s
71.40 GTexel/s
FP32 (float)
2.304 TFLOPS
2.285 TFLOPS
FP64 (double)
144.0 GFLOPS
71.40 GFLOPS
FP16 (half)
-
4.570 TFLOPS
Graphics Processor
GPU Name
Neptune
TU117
GPU Variant
Neptune XT(216-0847000)
-
Architecture
GCN 1.0
Turing
Foundry
TSMC
TSMC
Process Size
28 nm
12 nm
Transistors
2.8 billion
4.7 billion
Die Size
212 mm²
200 mm²
Board Design
TDP
100W
31W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
3.0
Vulkan
1.2.170
1.3
Shader Model
6.5 (5.1)
6.6
CUDA
-
7.5