AMD Radeon RX 6400 vs NVIDIA GeForce RTX 3080 Max Q
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2021
Generation
Navi II
GeForce 30 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x4
PCIe 4.0 x16
Clock Speeds
Base Clock
1923 MHz
780 MHz
Boost Clock
2321 MHz
1245 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
64bit
256bit
Bandwidth
128.0GB/s
384.0GB/s
Render Config
Compute Units
12
—
Shading Units
768
6144
TMUs
48
192
ROPs
32
96
RT Cores
12
48
L1 Cache
128 KB per Array
128 KB (per SM)
L2 Cache
1024 KB
4 MB
L3 Cache
16 MB
—
SM Count
—
48
Tensor Cores
—
192
Theoretical Performance
Pixel Rate
74.27 GPixel/s
119.5 GPixel/s
Texture Rate
111.4 GTexel/s
239.0 GTexel/s
FP16 (half)
7.130 TFLOPS
15.30 TFLOPS
FP32 (float)
3.565 TFLOPS
15.30 TFLOPS
FP64 (double)
222.8 GFLOPS
239.0 GFLOPS
Graphics Processor
GPU Name
Navi 24
GA104
GPU Variant
Navi 24 XL(215-135000046)
GA104-775-A1
Architecture
RDNA 2.0
Ampere
Foundry
TSMC
Samsung
Process Size
6 nm
8 nm
Transistors
5.4 billion
17.4 billion
Die Size
107 mm²
392 mm²
Board Design
TDP
53W
80W
Suggested PSU
250 W
—
Outputs
1x HDMI 2.11x DisplayPort 1.4a
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.2
3.0
Vulkan
1.3
1.3
Shader Model
6.7
6.6
CUDA
—
8.6
▲ Specs Compare
Data sourced from official specifications and benchmark tests.