Product Compare

AMD Radeon RX 6900 XT vs AMD Radeon RX 9070 GRE

GPU GPU
Graphics Card
Release Date Oct 2020 May 2025
Generation Navi II Navi IV
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 1825 MHz 1420 MHz
Boost Clock 2250 MHz 2790 MHz
Memory Clock 2000 MHz 2250 MHz
Memory
Memory Size 16GB 12GB
Memory Type GDDR6 GDDR6
Memory Bus 256bit 192bit
Bandwidth 512.0GB/s 432.0GB/s
Render Config
Compute Units 80 48
Shading Units 5120 3072
TMUs 320 192
ROPs 128 96
RT Cores 80 48
L1 Cache 128 KB per Array 128 KB (per SM)
L2 Cache 4 MB 8 MB
L3 Cache 128 MB 48 MB
SM Count 46
Tensor Cores 96
Theoretical Performance
Pixel Rate 288.0 GPixel/s 267.8 GPixel/s
Texture Rate 720.0 GTexel/s 535.7 GTexel/s
FP16 (half) 46.08 TFLOPS 68.57 TFLOPS
FP32 (float) 23.04 TFLOPS 34.28 TFLOPS
FP64 (double) 1440.0 GFLOPS 1071.4 GFLOPS
Graphics Processor
GPU Name Navi 21 Navi 48
GPU Variant Navi 21 XTX(215-121000167) Navi 48 XL
Architecture RDNA 2.0 RDNA 4.0
Foundry TSMC TSMC
Process Size 7 nm 4 nm
Transistors 26.8 billion 53.9 billion
Die Size 520 mm² 357 mm²
Board Design
TDP 300W 220W
Suggested PSU 700 W 550 W
Outputs 1x HDMI 2.12x DisplayPort 1.4a1x USB Type-C 1x HDMI 2.1b3x DisplayPort 2.1a
Power Connectors 2x 8-pin 2x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 2.2
Vulkan 1.4 1.3
Shader Model 6.8 6.8
CUDA 12.0