AMD Radeon Instinct MI355X vs NVIDIA GeForce RTX 4070 Max-Q
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Jan 2023
Generation
Radeon Instinct
GeForce 40 Mobile
Type
Professional
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1000 MHz
735 MHz
Boost Clock
2400 MHz
1230 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
288GB
8GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
128bit
Bandwidth
8.19TB/s
256.0GB/s
Render Config
Compute Units
256
—
Shading Units
16384
4608
TMUs
1024
144
ROPs
0
48
Tensor Cores
1216
144
L1 Cache
32 KB (per CU)
128 KB (per SM)
L2 Cache
32 MB
32 MB
L3 Cache
256 MB
—
SM Count
—
36
RT Cores
—
36
Theoretical Performance
Pixel Rate
0 MPixel/s
59.04 GPixel/s
Texture Rate
2457.6 GTexel/s
177.1 GTexel/s
FP16 (half)
78.64 TFLOPS
11.34 TFLOPS
FP32 (float)
78.64 TFLOPS
11.34 TFLOPS
FP64 (double)
39.32 TFLOPS
177.1 GFLOPS
Graphics Processor
GPU Name
MI350 256CU
AD106
Architecture
CDNA 4.0
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
3 nm
5 nm
Transistors
185 billion
22.9 billion
Die Size
Unknown
188 mm²
GPU Variant
—
GN21-X6
Board Design
TDP
1400W
35W
Suggested PSU
1800 W
—
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
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
6.8
CUDA
—
8.9
▲ Specs Compare
Data sourced from official specifications and benchmark tests.