AMD Radeon Vega 11 vs AMD Radeon Instinct MI455X
GPU · Specs Compare
Graphics Card
Release Date
Sep 2019
Jul 2026
Generation
Picasso
Radeon Instinct
Type
Integrated
Desktop
Bus Interface
IGP
PCIe 6.0 x16
Clock Speeds
Base Clock
300 MHz
1000 MHz
Boost Clock
1400 MHz
2400 MHz
Memory Clock
System Shared
1900 MHz
Memory
Memory Size
System Shared
432GB
Memory Type
System Shared
HBM4
Memory Bus
System Shared
24576bit
Bandwidth
System Dependent
23.3TB/s
Render Config
Compute Units
11
256
Shading Units
704
32768
TMUs
44
1024
ROPs
8
0
L1 Cache
—
32 KB (per CU)
L2 Cache
—
192 MB
Theoretical Performance
Pixel Rate
11.20 GPixel/s
0 MPixel/s
Texture Rate
61.60 GTexel/s
2457.6 GTexel/s
FP16 (half)
3.942 TFLOPS
157.3 TFLOPS
FP32 (float)
1.971 TFLOPS
157.3 TFLOPS
FP64 (double)
123.2 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
Picasso
MI450 256CU
Architecture
GCN 5.0
CDNA 5.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
2 nm
Transistors
4.94 billion
320 billion
Die Size
210 mm²
Unknown
Board Design
TDP
15W
2300W
Outputs
No outputs
No outputs
Power Connectors
None
None
Suggested PSU
—
2700 W
Graphics Features
DirectX
12 (12_1)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.2
N/A
Shader Model
6.4
N/A
▲ Specs Compare
Data sourced from official specifications and benchmark tests.