Product Compare

AMD Radeon R9 M395X vs AMD Radeon R9 380X

GPU GPU
Graphics Card
Release Date May 2015 Nov 2015
Generation Crystal System Pirate Islands
Type Mobile Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1250 MHz 1425 MHz
Memory
Memory Size 8GB 4GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 256bit
Bandwidth 160.0GB/s 182.4GB/s
Render Config
Compute Units 32 32
Shading Units 2048 2048
TMUs 128 128
ROPs 32 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 512 KB
Theoretical Performance
Pixel Rate 23.14 GPixel/s 31.04 GPixel/s
Texture Rate 92.54 GTexel/s 124.2 GTexel/s
FP16 (half) 2.961 TFLOPS 3.973 TFLOPS
FP32 (float) 2.961 TFLOPS 3.973 TFLOPS
FP64 (double) 185.1 GFLOPS 248.3 GFLOPS
Graphics Processor
GPU Name Amethyst Antigua
GPU Variant Amethyst XT Antigua XT(215-0877016)
Architecture GCN 3.0 GCN 3.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 5 billion 5 billion
Die Size 366 mm² 366 mm²
Board Design
TDP 75W 190W
Outputs No outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors None 2x 6-pin
Suggested PSU 450 W
Graphics Features
DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.0 2.0
Vulkan 1.2 1.2
Shader Model 6.3 6.3
Benchmarks
3DMark Time Spy 2514 3011