NVIDIA GeForce RTX 3080 Mobile 16 GB vs AMD Radeon RX 6650M XT
GPU Specs Compare
Graphics Card
Release Date
Jan 2021
Jan 2022
Generation
GeForce 30 Mobile
Mobility Radeon
Type
Mobile
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1110 MHz
2068 MHz
Boost Clock
1545 MHz
2416 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
16GB
8GB
Memory Type
GDDR6
GDDR6
Memory Bus
256bit
128bit
Bandwidth
448.0GB/s
256.0GB/s
Render Config
SM Count
48
-
Shading Units
6144
2048
TMUs
192
128
ROPs
96
64
Tensor Cores
192
-
RT Cores
48
32
L1 Cache
128 KB (per SM)
128 KB per Array
L2 Cache
4 MB
2 MB
Compute Units
-
32
L3 Cache
-
32 MB
Theoretical Performance
Pixel Rate
148.3 GPixel/s
154.6 GPixel/s
Texture Rate
296.6 GTexel/s
309.2 GTexel/s
FP16 (half)
18.98 TFLOPS
19.79 TFLOPS
FP32 (float)
18.98 TFLOPS
9.896 TFLOPS
FP64 (double)
296.6 GFLOPS
618.5 GFLOPS
Graphics Processor
GPU Name
GA104
Navi 23
GPU Variant
GA104-775-A1
-
Architecture
Ampere
RDNA 2.0
Foundry
Samsung
TSMC
Process Size
8 nm
7 nm
Transistors
17.4 billion
11.06 billion
Die Size
392 mm²
237 mm²
Board Design
TDP
115W
120W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
2.1
Vulkan
1.3
1.3
CUDA
8.6
-
Shader Model
6.8
6.5