Product Compare

AMD Radeon Sky 900 vs AMD Radeon Instinct MI250X

GPU GPU
Graphics Card
Release Date Mar 2013 Nov 2021
Generation Radeon Sky Radeon Instinct
Type Desktop Professional
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 825 MHz 1000 MHz
Boost Clock 950 MHz 1700 MHz
Memory Clock 1250 MHz 1600 MHz
Memory
Memory Size 3GB 128GB
Memory Type GDDR5 HBM2e
Memory Bus 384bit 8192bit
Bandwidth 240.0GB/s 3277GB/s
Render Config
Compute Units 28 220
Shading Units 1792 14080
TMUs 112 880
ROPs 32 0
L1 Cache 16 KB (per CU) 16 KB (per CU)
L2 Cache 768 KB 16 MB
Theoretical Performance
Pixel Rate 30.40 GPixel/s 0 MPixel/s
Texture Rate 106.4 GTexel/s 1496 GTexel/s
FP32 (float) 3.405 TFLOPS 47.87 TFLOPS
FP64 (double) 851.2 GFLOPS 47.87 TFLOPS
FP16 (half) 383.0 TFLOPS
Graphics Processor
GPU Name Tahiti Aldebaran
GPU Variant Orthrus Aldebaran XT
Architecture GCN 1.0 CDNA 2.0
Foundry TSMC TSMC
Process Size 28 nm 6 nm
Transistors 4.313 billion 58.2 billion
Die Size 352 mm² Unknown
Board Design
TDP 300W 500W
Suggested PSU 700 W 900 W
Outputs 1x DVI1x mini-DisplayPort 1.2 No outputs
Power Connectors 2x 8-pin 2x 8-pin
Graphics Features
DirectX 12 (11_1) N/A
OpenGL 4.6 N/A
OpenCL 1.2 3.0
Vulkan 1.2 N/A
Shader Model 5.1 N/A