Product Compare

AMD Radeon R9 M385 vs AMD Radeon RX 6900 XT

GPU GPU
Graphics Card
Release Date May 2015 Oct 2020
Generation Gem System Navi II
Type Mobile Desktop
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 900 MHz 1825 MHz
Boost Clock 1000 MHz 2250 MHz
Memory Clock 1200 MHz 2000 MHz
Memory
Memory Size 4GB 16GB
Memory Type GDDR5 GDDR6
Memory Bus 128bit 256bit
Bandwidth 76.80GB/s 512.0GB/s
Render Config
Compute Units 14 80
Shading Units 896 5120
TMUs 56 320
ROPs 16 128
L1 Cache 16 KB (per CU) 128 KB per Array
L2 Cache 256 KB 4 MB
RT Cores 80
L3 Cache 128 MB
Theoretical Performance
Pixel Rate 16.00 GPixel/s 288.0 GPixel/s
Texture Rate 56.00 GTexel/s 720.0 GTexel/s
FP32 (float) 1.792 TFLOPS 23.04 TFLOPS
FP64 (double) 112.0 GFLOPS 1440.0 GFLOPS
FP16 (half) 46.08 TFLOPS
Graphics Processor
GPU Name Strato Navi 21
GPU Variant Strato XT Navi 21 XTX(215-121000167)
Architecture GCN 2.0 RDNA 2.0
Foundry TSMC TSMC
Process Size 28 nm 7 nm
Transistors 2.08 billion 26.8 billion
Die Size 160 mm² 520 mm²
Board Design
TDP Unknown 300W
Outputs Portable Device Dependent 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Suggested PSU 700 W
Power Connectors 2x 8-pin
Graphics Features
DirectX 12 (12_0) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.2.170 1.4
Shader Model 6.5 6.8