Product Compare

AMD Radeon R9 390X vs AMD Radeon E9390 PCIe

GPU GPU
Graphics Card
Release Date Jun 2015 Oct 2019
Generation Pirate Islands Embedded
Type Desktop Mobile
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Memory Clock 1500 MHz 1250 MHz
Base Clock 713 MHz
Boost Clock 1089 MHz
Memory
Memory Size 8GB 8GB
Memory Type GDDR5 GDDR5
Memory Bus 512bit 256bit
Bandwidth 384.0GB/s 160.0GB/s
Render Config
Compute Units 44 28
Shading Units 2816 1792
TMUs 176 112
ROPs 64 32
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 1024 KB 2 MB
Theoretical Performance
Pixel Rate 67.20 GPixel/s 34.85 GPixel/s
Texture Rate 184.8 GTexel/s 122.0 GTexel/s
FP32 (float) 5.914 TFLOPS 3.903 TFLOPS
FP64 (double) 739.2 GFLOPS 243.9 GFLOPS
FP16 (half) 3.903 TFLOPS
Graphics Processor
GPU Name Grenada Ellesmere
GPU Variant Grenada XT(215-0880004)
Architecture GCN 2.0 GCN 4.0
Foundry TSMC GlobalFoundries
Process Size 28 nm 14 nm
Transistors 6.2 billion 5.7 billion
Die Size 438 mm² 232 mm²
Board Design
TDP 275W 75W
Suggested PSU 600 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 4x DisplayPort 1.4a
Power Connectors 1x 6-pin + 1x 8-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