AMD Radeon R9 M390 Mac Edition vs NVIDIA GeForce MX450 30.5W 8Gbps
GPU Specs Compare
Graphics Card
Release Date
May 2015
Aug 2020
Generation
Crystal System
GeForce MX
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x4
Clock Speeds
Memory Clock
1365 MHz
2000 MHz
Base Clock
-
1035 MHz
Boost Clock
-
1275 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
64bit
Bandwidth
174.7GB/s
64.00GB/s
Render Config
Compute Units
16
-
Shading Units
1024
896
TMUs
64
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
30.66 GPixel/s
40.80 GPixel/s
Texture Rate
61.31 GTexel/s
71.40 GTexel/s
FP32 (float)
1.962 TFLOPS
2.285 TFLOPS
FP64 (double)
122.6 GFLOPS
71.40 GFLOPS
FP16 (half)
-
4.570 TFLOPS
Graphics Processor
GPU Name
Pitcairn
TU117
GPU Variant
Pitcairn PRO(215-0828062)
-
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
80W
31W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.3
Shader Model
5.1
6.6
CUDA
-
7.5