NVIDIA GeForce MX450 25W vs AMD Radeon R9 390X
GPU · Specs Compare
Graphics Card
Release Date
Aug 2020
Jun 2015
Generation
GeForce MX
Pirate Islands
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x16
Clock Speeds
Base Clock
720 MHz
—
Boost Clock
930 MHz
—
Memory Clock
1250 MHz
1500 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
512bit
Bandwidth
80.00GB/s
384.0GB/s
Render Config
SM Count
14
—
Shading Units
896
2816
TMUs
56
176
ROPs
32
64
L1 Cache
64 KB (per SM)
16 KB (per CU)
L2 Cache
512 KB
1024 KB
Compute Units
—
44
Theoretical Performance
Pixel Rate
29.76 GPixel/s
67.20 GPixel/s
Texture Rate
52.08 GTexel/s
184.8 GTexel/s
FP16 (half)
3.333 TFLOPS
—
FP32 (float)
1.667 TFLOPS
5.914 TFLOPS
FP64 (double)
52.08 GFLOPS
739.2 GFLOPS
Graphics Processor
GPU Name
TU117
Grenada
GPU Variant
N18S-G5
Grenada XT(215-0880004)
Architecture
Turing
GCN 2.0
Foundry
TSMC
TSMC
Process Size
12 nm
28 nm
Transistors
4.7 billion
6.2 billion
Die Size
200 mm²
438 mm²
Board Design
TDP
25W
275W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
600 W
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
7.5
—
Shader Model
6.6
6.3
Benchmark
3DMark Time Spy
1,706
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.