Product Compare

AMD Radeon R9 370 vs AMD Radeon R9 390 X2

GPU GPU
Graphics Card
Release Date May 2015 Sep 2015
Generation Pirate Islands Pirate Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 925 MHz
Boost Clock 975 MHz
Memory Clock 1400 MHz 1350 MHz
Memory
Memory Size 2GB 8GB
Memory Type GDDR5 GDDR5
Memory Bus 256bit 512bit
Bandwidth 179.2GB/s 345.6GB/s
Render Config
Compute Units 24 40
Shading Units 1280 2560
TMUs 80 160
ROPs 32 64
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 512 KB 1024 KB
Theoretical Performance
Pixel Rate 31.20 GPixel/s 64.00 GPixel/s
Texture Rate 78.00 GTexel/s 160.0 GTexel/s
FP32 (float) 2.496 TFLOPS 5.120 TFLOPS
FP64 (double) 156.0 GFLOPS 640.0 GFLOPS
Graphics Processor
GPU Name Trinidad Grenada
GPU Variant Trinidad PRO(215-0870020) Grenada PRO(215-0880030)
Architecture GCN 1.0 GCN 2.0
Foundry TSMC TSMC
Process Size 28 nm 28 nm
Transistors 2.8 billion 6.2 billion
Die Size 212 mm² 438 mm²
Board Design
TDP 110W 580W
Suggested PSU 300 W 950 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors 1x 6-pin 4x 8-pin
Graphics Features
DirectX 12 (11_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2 1.2
Shader Model 5.1 6.3