Product Compare

AMD Radeon R9 390 X2 vs AMD Radeon Graphics 448SP

GPU GPU
Graphics Card
Release Date Sep 2015 Jan 2021
Generation Pirate Islands Lucienne
Type Desktop Integrated
Bus Interface PCIe 3.0 x16 IGP
Clock Speeds
Memory Clock 1350 MHz System Shared
Base Clock 300 MHz
Boost Clock 1800 MHz
Memory
Memory Size 8GB System Shared
Memory Type GDDR5 System Shared
Memory Bus 512bit System Shared
Bandwidth 345.6GB/s System Dependent
Render Config
Compute Units 40 7
Shading Units 2560 448
TMUs 160 32
ROPs 64 8
L1 Cache 16 KB (per CU)
L2 Cache 1024 KB
Theoretical Performance
Pixel Rate 64.00 GPixel/s 14.40 GPixel/s
Texture Rate 160.0 GTexel/s 57.60 GTexel/s
FP32 (float) 5.120 TFLOPS 1.613 TFLOPS
FP64 (double) 640.0 GFLOPS 100.8 GFLOPS
FP16 (half) 3.226 TFLOPS
Graphics Processor
GPU Name Grenada Lucienne
GPU Variant Grenada PRO(215-0880030)
Architecture GCN 2.0 GCN 5.1
Foundry TSMC TSMC
Process Size 28 nm 7 nm
Transistors 6.2 billion 9.8 billion
Die Size 438 mm² 156 mm²
Board Design
TDP 580W 25W
Suggested PSU 950 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 4x 8-pin None
Graphics Features
DirectX 12 (12_0) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.0 2.1
Vulkan 1.2 1.2
Shader Model 6.3 6.4