Product Compare

AMD Radeon RX 6800 3456SP vs AMD Radeon 550X Mobile

GPU GPU
Graphics Card
Release Date Unknown Apr 2018
Generation Navi II Mobility Radeon
Type Desktop Mobile
Bus Interface PCIe 4.0 x16 PCIe 3.0 x8
Clock Speeds
Base Clock 1700 MHz 1100 MHz
Boost Clock 2250 MHz 1287 MHz
Memory Clock 2000 MHz 1500 MHz
Memory
Memory Size 16GB 4GB
Memory Type GDDR6 GDDR5
Memory Bus 256bit 64bit
Bandwidth 512.0GB/s 48.00GB/s
Render Config
Compute Units 54 10
Shading Units 3456 640
TMUs 216 40
ROPs 96 16
RT Cores 54
L1 Cache 128 KB per Array 16 KB (per CU)
L2 Cache 4 MB 256 KB
L3 Cache 128 MB
Theoretical Performance
Pixel Rate 216.0 GPixel/s 20.59 GPixel/s
Texture Rate 486.0 GTexel/s 51.48 GTexel/s
FP16 (half) 31.10 TFLOPS 1.647 TFLOPS
FP32 (float) 15.55 TFLOPS 1.647 TFLOPS
FP64 (double) 972.0 GFLOPS 103.0 GFLOPS
Graphics Processor
GPU Name Navi 21 Polaris 23
GPU Variant Navi 21 ES(215-121000066) Polaris 23 MXT
Architecture RDNA 2.0 GCN 4.0
Foundry TSMC GlobalFoundries
Process Size 7 nm 14 nm
Transistors 26.8 billion 2.2 billion
Die Size 520 mm² 103 mm²
Board Design
TDP 250W 50W
Suggested PSU 600 W
Outputs 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C No outputs
Power Connectors 2x 8-pin None
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.3 1.2
Shader Model 6.8 6.4