AMD Radeon RX 6400 vs NVIDIA GeForce GTX 1660
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Mar 2019
Generation
Navi II
GeForce 16
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x16
Clock Speeds
Base Clock
1923 MHz
1530 MHz
Boost Clock
2321 MHz
1785 MHz
Memory Clock
2000 MHz
2001 MHz
Memory
Memory Size
4GB
6GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
192bit
Bandwidth
128.0GB/s
192.1GB/s
Render Config
Compute Units
12
-
Shading Units
768
1408
TMUs
48
88
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
-
22
Theoretical Performance
Pixel Rate
74.27 GPixel/s
85.68 GPixel/s
Texture Rate
111.4 GTexel/s
157.1 GTexel/s
FP16 (half)
7.130 TFLOPS
10.05 TFLOPS
FP32 (float)
3.565 TFLOPS
5.027 TFLOPS
FP64 (double)
222.8 GFLOPS
157.1 GFLOPS
Graphics Processor
GPU Name
Navi 24
TU116
GPU Variant
Navi 24 XL(215-135000046)
TU116-300-A1
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
120W
Suggested PSU
250 W
300 W
Outputs
1x HDMI 2.11x DisplayPort 1.4a
1x DVI1x HDMI 2.01x DisplayPort 1.4a
Power Connectors
None
1x 8-pin
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
6.6
CUDA
-
7.5
📊 Benchmark
3DMark Time Spy
-
5,444
3DMark Time Spy Extreme
-
2,465