Product Compare

AMD Radeon R9 380 vs AMD Radeon RX 580X Mobile

GPU GPU
Graphics Card
Release Date Jun 2015 Apr 2018
Generation Pirate Islands Mobility Radeon
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 MXM-B (3.0)
Clock Speeds
Memory Clock 1375 MHz 2000 MHz
Base Clock 1000 MHz
Boost Clock 1077 MHz
Memory
Memory Size 2GB 8GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 176.0GB/s 256.0GB/s
Render Config
Compute Units 28 36
Shading Units 1792 2304
TMUs 112 144
ROPs 32 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 2 MB
Theoretical Performance
Pixel Rate 31.04 GPixel/s 34.46 GPixel/s
Texture Rate 108.6 GTexel/s 155.1 GTexel/s
FP16 (half) 3.476 TFLOPS 4.963 TFLOPS
FP32 (float) 3.476 TFLOPS 4.963 TFLOPS
FP64 (double) 217.3 GFLOPS 310.2 GFLOPS
Graphics Processor
GPU Name Antigua Polaris 20
GPU Variant Antigua PRO(215-0877000) Polaris 20M XT
Architecture GCN 3.0 GCN 4.0
Foundry TSMC GlobalFoundries
Process Size 28 nm 14 nm
Transistors 5 billion 5.7 billion
Die Size 366 mm² 232 mm²
Board Design
TDP 190W 100W
Suggested PSU 450 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 2x 6-pin None
Graphics Features
DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan 1.2 1.2
Shader Model 6.3 6.4