Product Compare

AMD Radeon RX 6800 3456SP vs AMD Radeon RX 560 XT

GPU GPU
Graphics Card
Release Date Unknown Mar 2019
Generation Navi II Polaris
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1700 MHz 1074 MHz
Boost Clock 2250 MHz 1226 MHz
Memory Clock 2000 MHz 1750 MHz
Memory
Memory Size 16GB 4GB
Memory Type GDDR6 GDDR5
Memory Bus 256bit 256bit
Bandwidth 512.0GB/s 224.0GB/s
Render Config
Compute Units 54 28
Shading Units 3456 1792
TMUs 216 112
ROPs 96 32
RT Cores 54
L1 Cache 128 KB per Array 16 KB (per CU)
L2 Cache 4 MB 2 MB
L3 Cache 128 MB
Theoretical Performance
Pixel Rate 216.0 GPixel/s 39.23 GPixel/s
Texture Rate 486.0 GTexel/s 137.3 GTexel/s
FP16 (half) 31.10 TFLOPS 4.394 TFLOPS
FP32 (float) 15.55 TFLOPS 4.394 TFLOPS
FP64 (double) 972.0 GFLOPS 274.6 GFLOPS
Graphics Processor
GPU Name Navi 21 Ellesmere
GPU Variant Navi 21 ES(215-121000066) Polaris 10 LE1
Architecture RDNA 2.0 GCN 4.0
Foundry TSMC GlobalFoundries
Process Size 7 nm 14 nm
Transistors 26.8 billion 5.7 billion
Die Size 520 mm² 232 mm²
Board Design
TDP 250W 150W
Suggested PSU 600 W 450 W
Outputs 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C 1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors 2x 8-pin 1x 6-pin
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