NVIDIA GeForce RTX 3080 Ti Mobile vs AMD Instinct MI300X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
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
810 MHz
1000 MHz
Boost Clock
1260 MHz
2100 MHz
Memory Clock
2000 MHz
2525 MHz
Memory
Memory Size
16GB
192GB
Memory Type
GDDR6
HBM3
Memory Bus
256bit
8192bit
Bandwidth
512.0GB/s
10.3TB/s
Render Config
SM Count
58
—
Shading Units
7424
19456
TMUs
232
1216
ROPs
96
0
Tensor Cores
232
—
RT Cores
58
—
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
121.0 GPixel/s
0 MPixel/s
Texture Rate
292.3 GTexel/s
2553.6 GTexel/s
FP16 (half)
18.71 TFLOPS
653.7 TFLOPS
FP32 (float)
18.71 TFLOPS
81.72 TFLOPS
FP64 (double)
292.3 GFLOPS
81.72 TFLOPS
Graphics Processor
GPU Name
GA103S
Aqua Vanjaram
GPU Variant
GN20-E8-A1
—
Architecture
Ampere
CDNA 3.0
Foundry
Samsung
TSMC
Process Size
8 nm
5 nm
Transistors
Unknown
153 billion
Die Size
496 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
6.5
N/A
Benchmark
3DMark Time Spy
12,905
—
3DMark Time Spy Extreme
6,164
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.