Product Compare

AMD Radeon RX 550 Mobile vs AMD Radeon RX 6900 XT

GPU GPU
Graphics Card
Release Date Jul 2017 Oct 2020
Generation Mobility Radeon Navi II
Type Mobile Desktop
Bus Interface PCIe 3.0 x8 PCIe 4.0 x16
Clock Speeds
Base Clock 1100 MHz 1825 MHz
Boost Clock 1287 MHz 2250 MHz
Memory Clock 1500 MHz 2000 MHz
Memory
Memory Size 2GB 16GB
Memory Type GDDR5 GDDR6
Memory Bus 128bit 256bit
Bandwidth 96.00GB/s 512.0GB/s
Render Config
Compute Units 10 80
Shading Units 640 5120
TMUs 40 320
ROPs 16 128
L1 Cache 16 KB (per CU) 128 KB per Array
L2 Cache 512 KB 4 MB
RT Cores 80
L3 Cache 128 MB
Theoretical Performance
Pixel Rate 20.59 GPixel/s 288.0 GPixel/s
Texture Rate 51.48 GTexel/s 720.0 GTexel/s
FP16 (half) 1.647 TFLOPS 46.08 TFLOPS
FP32 (float) 1.647 TFLOPS 23.04 TFLOPS
FP64 (double) 103.0 GFLOPS 1440.0 GFLOPS
Graphics Processor
GPU Name Lexa Navi 21
GPU Variant Lexa PRO(215-0904018) Navi 21 XTX(215-121000167)
Architecture GCN 4.0 RDNA 2.0
Foundry GlobalFoundries TSMC
Process Size 14 nm 7 nm
Transistors 2.2 billion 26.8 billion
Die Size 103 mm² 520 mm²
Board Design
TDP 50W 300W
Outputs No outputs 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C
Power Connectors None 2x 8-pin
Suggested PSU 700 W
Graphics Features
DirectX 12 (12_0) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.2 1.4
Shader Model 6.4 6.8