AMD Radeon Instinct MI355X vs NVIDIA GeForce RTX 4080 16 GB
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Sep 2022
Generation
Radeon Instinct
GeForce 40
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1000 MHz
2205 MHz
Boost Clock
2400 MHz
2505 MHz
Memory Clock
2000 MHz
1400 MHz
Memory
Memory Size
288GB
16GB
Memory Type
HBM3e
GDDR6X
Memory Bus
8192bit
256bit
Bandwidth
8.19TB/s
716.8GB/s
Render Config
Compute Units
256
—
Shading Units
16384
9728
TMUs
1024
304
ROPs
0
112
Tensor Cores
1216
304
L1 Cache
32 KB (per CU)
128 KB (per SM)
L2 Cache
32 MB
64 MB
L3 Cache
256 MB
—
SM Count
—
76
RT Cores
—
76
Theoretical Performance
Pixel Rate
0 MPixel/s
280.6 GPixel/s
Texture Rate
2457.6 GTexel/s
761.5 GTexel/s
FP16 (half)
78.64 TFLOPS
48.74 TFLOPS
FP32 (float)
78.64 TFLOPS
48.74 TFLOPS
FP64 (double)
39.32 TFLOPS
761.5 GFLOPS
Graphics Processor
GPU Name
MI350 256CU
AD103
Architecture
CDNA 4.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
3 nm
4 nm
Transistors
185 billion
45.9 billion
Die Size
Unknown
379 mm²
GPU Variant
—
AD103-300-A1
Board Design
TDP
1400W
320W
Suggested PSU
1800 W
700 W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 16-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
Shader Model
N/A
6.6
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.