Product Compare

AMD Radeon R9 285 vs AMD Radeon R9 M380

GPU GPU
Graphics Card
Release Date Sep 2014 May 2015
Generation Volcanic Islands Gem System
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1375 MHz 1500 MHz
Base Clock 900 MHz
Boost Clock 1000 MHz
Memory
Memory Size 2GB 4GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 128bit
Bandwidth 176.0GB/s 96.00GB/s
Render Config
Compute Units 28 12
Shading Units 1792 768
TMUs 112 48
ROPs 32 16
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 256 KB
Theoretical Performance
Pixel Rate 29.38 GPixel/s 16.00 GPixel/s
Texture Rate 102.8 GTexel/s 48.00 GTexel/s
FP16 (half) 3.290 TFLOPS
FP32 (float) 3.290 TFLOPS 1.536 TFLOPS
FP64 (double) 205.6 GFLOPS 96.00 GFLOPS
Graphics Processor
GPU Name Tonga Strato
GPU Variant Tonga PRO(215-0851128) Strato PRO
Architecture GCN 3.0 GCN 2.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 5 billion 2.08 billion
Die Size 366 mm² 160 mm²
Board Design
TDP 190W Unknown
Suggested PSU 450 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 Portable Device Dependent
Power Connectors 2x 6-pin
Graphics Features
DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.2.170 1.2.170
Shader Model 6.5 6.5