Product Compare

AMD Radeon Graphics 448SP vs AMD Radeon R9 M290X

GPU GPU
Graphics Card
Release Date Jan 2021 Jan 2014
Generation Lucienne Gem System
Type Integrated Mobile
Bus Interface IGP PCIe 3.0 x16
Clock Speeds
Base Clock 300 MHz 850 MHz
Boost Clock 1800 MHz 900 MHz
Memory Clock System Shared 1200 MHz
Memory
Memory Size System Shared 4GB
Memory Type System Shared GDDR5
Memory Bus System Shared 256bit
Bandwidth System Dependent 153.6GB/s
Render Config
Compute Units 7 20
Shading Units 448 1280
TMUs 32 80
ROPs 8 32
L1 Cache 16 KB (per CU)
L2 Cache 512 KB
Theoretical Performance
Pixel Rate 14.40 GPixel/s 28.80 GPixel/s
Texture Rate 57.60 GTexel/s 72.00 GTexel/s
FP16 (half) 3.226 TFLOPS
FP32 (float) 1.613 TFLOPS 2.304 TFLOPS
FP64 (double) 100.8 GFLOPS 144.0 GFLOPS
Graphics Processor
GPU Name Lucienne Neptune
Architecture GCN 5.1 GCN 1.0
Foundry TSMC TSMC
Process Size 7 nm 28 nm
Transistors 9.8 billion 2.8 billion
Die Size 156 mm² 212 mm²
GPU Variant Neptune XT(216-0847000)
Board Design
TDP 25W 100W
Outputs No outputs Portable Device Dependent
Power Connectors None None
Graphics Features
DirectX 12 (12_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.1 2.1 (1.2)
Vulkan 1.2 1.2.170
Shader Model 6.4 6.5 (5.1)