AMD Radeon Instinct MI355X vs AMD Radeon RX 580 OEM
GPU Specs Compare
Graphics Card
Release Date
Jun 2025
Jun 2016
Generation
Radeon Instinct
Polaris
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
1120 MHz
Boost Clock
2400 MHz
1266 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
288GB
8GB
Memory Type
HBM3e
GDDR5
Memory Bus
8192bit
256bit
Bandwidth
8.19TB/s
256.0GB/s
Render Config
Compute Units
256
36
Shading Units
16384
2304
TMUs
1024
144
ROPs
0
32
Tensor Cores
1216
-
L1 Cache
32 KB (per CU)
16 KB (per CU)
L2 Cache
32 MB
2 MB
L3 Cache
256 MB
-
Theoretical Performance
Pixel Rate
0 MPixel/s
40.51 GPixel/s
Texture Rate
2457.6 GTexel/s
182.3 GTexel/s
FP16 (half)
78.64 TFLOPS
5.834 TFLOPS
FP32 (float)
78.64 TFLOPS
5.834 TFLOPS
FP64 (double)
39.32 TFLOPS
364.6 GFLOPS
Graphics Processor
GPU Name
MI350 256CU
Ellesmere
Architecture
CDNA 4.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
3 nm
14 nm
Transistors
185 billion
5.7 billion
Die Size
Unknown
232 mm²
GPU Variant
-
Polaris 10 XT(215-0876184)
Board Design
TDP
1400W
150W
Suggested PSU
1800 W
450 W
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
N/A
12 (12_0)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.2
Shader Model
N/A
6.4