Product Compare

AMD Radeon RX 6400 vs NVIDIA GeForce GTX 1660 Ti Max Q

GPU GPU
Graphics Card
Release Date Jan 2022 Apr 2019
Generation Navi II GeForce 16 Mobile
Type Desktop Mobile
Bus Interface PCIe 4.0 x4 PCIe 3.0 x16
Clock Speeds
Base Clock 1923 MHz 1140 MHz
Boost Clock 2321 MHz 1335 MHz
Memory Clock 2000 MHz 1500 MHz
Memory
Memory Size 4GB 6GB
Memory Type GDDR6 GDDR6
Memory Bus 64bit 192bit
Bandwidth 128.0GB/s 288.0GB/s
Render Config
Compute Units 12
Shading Units 768 1536
TMUs 48 96
ROPs 32 48
RT Cores 12
L1 Cache 128 KB per Array 64 KB (per SM)
L2 Cache 1024 KB 1536 KB
L3 Cache 16 MB
SM Count 24
Theoretical Performance
Pixel Rate 74.27 GPixel/s 64.08 GPixel/s
Texture Rate 111.4 GTexel/s 128.2 GTexel/s
FP16 (half) 7.130 TFLOPS 8.202 TFLOPS
FP32 (float) 3.565 TFLOPS 4.101 TFLOPS
FP64 (double) 222.8 GFLOPS 128.2 GFLOPS
Graphics Processor
GPU Name Navi 24 TU116
GPU Variant Navi 24 XL(215-135000046)
Architecture RDNA 2.0 Turing
Foundry TSMC TSMC
Process Size 6 nm 12 nm
Transistors 5.4 billion 6.6 billion
Die Size 107 mm² 284 mm²
Board Design
TDP 53W Unknown
Suggested PSU 250 W
Outputs 1x HDMI 2.11x DisplayPort 1.4a Portable Device Dependent
Power Connectors None None
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.2 3.0
Vulkan 1.3 1.3
Shader Model 6.7 6.7
CUDA 7.5