NVIDIA GeForce RTX 4080 Mobile vs AMD Radeon Instinct MI300X
GPU · Specs Compare
Graphics Card
Release Date
Jan 2023
Dec 2023
Generation
GeForce 40 Mobile
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1290 MHz
1000 MHz
Boost Clock
1665 MHz
2100 MHz
Memory Clock
2250 MHz
1300 MHz
Memory
Memory Size
12GB
192GB
Memory Type
GDDR6
HBM3
Memory Bus
192bit
8192bit
Bandwidth
432.0GB/s
5.32TB/s
Render Config
SM Count
58
—
Shading Units
7424
19456
TMUs
232
1216
ROPs
80
0
Tensor Cores
232
1216
RT Cores
58
—
L1 Cache
128 KB (per SM)
16 KB (per CU)
L2 Cache
48 MB
16 MB
Compute Units
—
304
L3 Cache
—
256 MB
Theoretical Performance
Pixel Rate
133.2 GPixel/s
0 MPixel/s
Texture Rate
386.3 GTexel/s
2553.6 GTexel/s
FP16 (half)
24.72 TFLOPS
81.72 TFLOPS
FP32 (float)
24.72 TFLOPS
81.72 TFLOPS
FP64 (double)
386.3 GFLOPS
40.86 TFLOPS
Graphics Processor
GPU Name
AD104
Aqua Vanjaram
GPU Variant
GN21-X9
—
Architecture
Ada Lovelace
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
35.8 billion
153 billion
Die Size
294 mm²
1017 mm²
Board Design
TDP
110W
750W
Outputs
Portable Device Dependent
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
8.9
—
Shader Model
6.8
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.