AMD Radeon RX 580 vs AMD Radeon Instinct MI355X
GPU Specs Compare
Graphics Card
Release Date
Apr 2017
Jun 2025
Generation
Polaris
Radeon Instinct
Type
Desktop
Professional
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1257 MHz
1000 MHz
Boost Clock
1340 MHz
2400 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
8GB
288GB
Memory Type
GDDR5
HBM3e
Memory Bus
256bit
8192bit
Bandwidth
256.0GB/s
8.19TB/s
Render Config
Compute Units
36
256
Shading Units
2304
16384
TMUs
144
1024
ROPs
32
0
L1 Cache
16 KB (per CU)
32 KB (per CU)
L2 Cache
2 MB
32 MB
Tensor Cores
-
1216
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
42.88 GPixel/s
0 MPixel/s
Texture Rate
193.0 GTexel/s
2457.6 GTexel/s
FP16 (half)
6.175 TFLOPS
78.64 TFLOPS
FP32 (float)
6.175 TFLOPS
78.64 TFLOPS
FP64 (double)
385.9 GFLOPS
39.32 TFLOPS
Graphics Processor
GPU Name
Polaris 20
MI350 256CU
GPU Variant
Polaris 20 XTX(215-0910038)
-
Architecture
GCN 4.0
CDNA 4.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
3 nm
Transistors
5.7 billion
185 billion
Die Size
232 mm²
Unknown
Board Design
TDP
185W
1400W
Suggested PSU
450 W
1800 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
No outputs
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.7
N/A