AMD Radeon Instinct MI355X vs AMD Radeon RX 580 2048SP
GPU · Specs Compare
Graphics Card
Release Date
Jun 2025
Oct 2018
Generation
Radeon Instinct
Polaris
Type
Professional
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
1168 MHz
Boost Clock
2400 MHz
1284 MHz
Memory Clock
2000 MHz
1750 MHz
Memory
Memory Size
288GB
4GB
Memory Type
HBM3e
GDDR5
Memory Bus
8192bit
256bit
Bandwidth
8.19TB/s
224.0GB/s
Render Config
Compute Units
256
32
Shading Units
16384
2048
TMUs
1024
128
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
41.09 GPixel/s
Texture Rate
2457.6 GTexel/s
164.4 GTexel/s
FP16 (half)
78.64 TFLOPS
5.259 TFLOPS
FP32 (float)
78.64 TFLOPS
5.259 TFLOPS
FP64 (double)
39.32 TFLOPS
328.7 GFLOPS
Graphics Processor
GPU Name
MI350 256CU
Polaris 20
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 20 XL(215-0910052)
Board Design
TDP
1400W
150W
Suggested PSU
1800 W
450 W
Outputs
No outputs
1x DVI1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 8-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
Benchmark
3DMark Time Spy
—
3,826
▲ Specs Compare
Data sourced from official specifications and benchmark tests.