NVIDIA GeForce RTX 3080 12 GB vs AMD Radeon RX 6400
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2022
Generation
GeForce 30
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
1260 MHz
1923 MHz
Boost Clock
1710 MHz
2321 MHz
Memory Clock
1188 MHz
2000 MHz
Memory
Memory Size
12GB
4GB
Memory Type
GDDR6X
GDDR6
Memory Bus
384bit
64bit
Bandwidth
912.4GB/s
128.0GB/s
Render Config
SM Count
70
-
Shading Units
8960
768
TMUs
280
48
ROPs
96
32
Tensor Cores
280
-
RT Cores
70
12
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
6 MB
1024 KB
Compute Units
-
12
L3 Cache
-
16 MB
Theoretical Performance
Pixel Rate
164.2 GPixel/s
74.27 GPixel/s
Texture Rate
478.8 GTexel/s
111.4 GTexel/s
FP16 (half)
30.64 TFLOPS
7.130 TFLOPS
FP32 (float)
30.64 TFLOPS
3.565 TFLOPS
FP64 (double)
478.8 GFLOPS
222.8 GFLOPS
Graphics Processor
GPU Name
GA102
Navi 24
GPU Variant
GA102-220-A1
Navi 24 XL(215-135000046)
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
6 nm
Transistors
28.3 billion
5.4 billion
Die Size
628 mm²
107 mm²
Board Design
TDP
350W
53W
Suggested PSU
750 W
250 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.11x DisplayPort 1.4a
Power Connectors
1x 12-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.2
Vulkan
1.3
1.3
CUDA
8.6
-
Shader Model
6.8
6.7