Product Compare

AMD Radeon RX 6650 XT vs NVIDIA GeForce RTX 3080

GPU GPU
Graphics Card
Release Date May 2022 Sep 2020
Generation Navi II GeForce 30
Type Desktop Desktop
Bus Interface PCIe 4.0 x8 PCIe 4.0 x16
Clock Speeds
Base Clock 2055 MHz 1440 MHz
Boost Clock 2635 MHz 1710 MHz
Memory Clock 2190 MHz 1188 MHz
Memory
Memory Size 8GB 10GB
Memory Type GDDR6 GDDR6X
Memory Bus 128bit 320bit
Bandwidth 280.3GB/s 760.3GB/s
Render Config
Compute Units 32
Shading Units 2048 8704
TMUs 128 272
ROPs 64 96
RT Cores 32 68
L1 Cache 128 KB per Array 128 KB (per SM)
L2 Cache 2 MB 5 MB
L3 Cache 32 MB
SM Count 68
Tensor Cores 272
Theoretical Performance
Pixel Rate 168.6 GPixel/s 164.2 GPixel/s
Texture Rate 337.3 GTexel/s 465.1 GTexel/s
FP16 (half) 21.59 TFLOPS 29.77 TFLOPS
FP32 (float) 10.79 TFLOPS 29.77 TFLOPS
FP64 (double) 674.6 GFLOPS 465.1 GFLOPS
Graphics Processor
GPU Name Navi 23 GA102
GPU Variant Navi 23 KXT(215-130000136) GA102-200-KD-A1
Architecture RDNA 2.0 Ampere
Foundry TSMC Samsung
Process Size 7 nm 8 nm
Transistors 11.06 billion 28.3 billion
Die Size 237 mm² 628 mm²
Board Design
TDP 176W 320W
Suggested PSU 450 W 700 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors 1x 8-pin 1x 12-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.3 1.3
Shader Model 6.5 6.6
CUDA 8.6