NVIDIA GeForce RTX 3080 Mobile vs AMD Radeon Instinct MI300X
GPU Specs Compare
Graphics Card
Release Date
Jan 2021
Dec 2023
Generation
GeForce 30 Mobile
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1110 MHz
1000 MHz
Boost Clock
1545 MHz
2100 MHz
Memory Clock
1750 MHz
1300 MHz
Memory
Memory Size
8GB
192GB
Memory Type
GDDR6
HBM3
Memory Bus
256bit
8192bit
Bandwidth
448.0GB/s
5.32TB/s
Render Config
SM Count
48
-
Shading Units
6144
19456
TMUs
192
1216
ROPs
96
0
Tensor Cores
192
1216
RT Cores
48
-
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
4 MB
16 MB
Compute Units
-
304
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
148.3 GPixel/s
0 MPixel/s
Texture Rate
296.6 GTexel/s
2553.6 GTexel/s
FP16 (half)
18.98 TFLOPS
81.72 TFLOPS
FP32 (float)
18.98 TFLOPS
81.72 TFLOPS
FP64 (double)
296.6 GFLOPS
40.86 TFLOPS
Graphics Processor
GPU Name
GA104
Aqua Vanjaram
GPU Variant
GA104-775-A1
-
Architecture
Ampere
CDNA 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
17.4 billion
153 billion
Die Size
392 mm²
1017 mm²
Board Design
TDP
115W
750W
Outputs
No outputs
No outputs
Power Connectors
None
None
Suggested PSU
-
1150 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.6
-
Shader Model
6.6
N/A