AMD Radeon R9 M390X vs NVIDIA RTX A3000 Mobile
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Apr 2021
Generation
Crystal System
Ampere-MW
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1250 MHz
1375 MHz
Base Clock
—
600 MHz
Boost Clock
—
1230 MHz
Memory
Memory Size
4GB
6GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
160.0GB/s
264.0GB/s
Render Config
Compute Units
32
—
Shading Units
2048
4096
TMUs
128
128
ROPs
32
64
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
4 MB
SM Count
—
32
Tensor Cores
—
128
RT Cores
—
32
Theoretical Performance
Pixel Rate
23.14 GPixel/s
78.72 GPixel/s
Texture Rate
92.54 GTexel/s
157.4 GTexel/s
FP16 (half)
2.961 TFLOPS
10.08 TFLOPS
FP32 (float)
2.961 TFLOPS
10.08 TFLOPS
FP64 (double)
185.1 GFLOPS
157.4 GFLOPS
Graphics Processor
GPU Name
Amethyst
GA104
GPU Variant
Amethyst XT
—
Architecture
GCN 3.0
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
5 billion
17.4 billion
Die Size
366 mm²
392 mm²
Board Design
TDP
75W
70W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.8
CUDA
—
8.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.