Product Compare

AMD Radeon RX 6300 vs NVIDIA GeForce GTX 660 Rev. 2

GPU GPU
Graphics Card
Release Date Unknown Sep 2014
Generation Navi II GeForce 600
Type Desktop Desktop
Bus Interface PCIe 4.0 x4 PCIe 3.0 x16
Clock Speeds
Base Clock 1000 MHz 980 MHz
Boost Clock 2040 MHz 1032 MHz
Memory Clock 2000 MHz 1502 MHz
Memory
Memory Size 2GB 2GB
Memory Type GDDR6 GDDR5
Memory Bus 32bit 192bit
Bandwidth 64.00GB/s 144.2GB/s
Render Config
Compute Units 12
Shading Units 768 960
TMUs 48 80
ROPs 32 24
RT Cores 12
L1 Cache 128 KB per Array 16 KB (per SMX)
L2 Cache 1024 KB 384 KB
L3 Cache 8 MB
Theoretical Performance
Pixel Rate 65.28 GPixel/s 20.64 GPixel/s
Texture Rate 97.92 GTexel/s 82.56 GTexel/s
FP16 (half) 6.267 TFLOPS
FP32 (float) 3.133 TFLOPS 1.981 TFLOPS
FP64 (double) 195.8 GFLOPS 82.56 GFLOPS
Graphics Processor
GPU Name Navi 24 GK104
GPU Variant Navi 24 XL
Architecture RDNA 2.0 Kepler
Foundry TSMC TSMC
Process Size 6 nm 28 nm
Transistors 5.4 billion 3.54 billion
Die Size 107 mm² 294 mm²
Board Design
TDP 32W 140W
Suggested PSU 200 W 300 W
Outputs 2x HDMI 2.1 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors None 1x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 2.2 3.0
Vulkan 1.3 1.1
Shader Model 6.7 5.1
CUDA 3.0