AMD Radeon Instinct MI455X vs AMD Radeon 890M
GPU Specs Compare
Graphics Card
Release Date
Jul 2026
Jul 2024
Generation
Radeon Instinct
Navi III IGP(Strix Point Mobile)
Type
Desktop
Integrated
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1000 MHz
400 MHz
Boost Clock
2400 MHz
2900 MHz
Memory Clock
1900 MHz
System Shared
Memory
Memory Size
432GB
System Shared
Memory Type
HBM4
System Shared
Memory Bus
24576bit
System Shared
Bandwidth
23.3TB/s
System Dependent
Render Config
Compute Units
256
16
Shading Units
32768
1024
TMUs
1024
64
ROPs
0
32
L1 Cache
32 KB (per CU)
128 KB per Array
L2 Cache
192 MB
2 MB
RT Cores
-
16
Theoretical Performance
Pixel Rate
0 MPixel/s
92.80 GPixel/s
Texture Rate
2457.6 GTexel/s
185.6 GTexel/s
FP16 (half)
157.3 TFLOPS
11.88 TFLOPS
FP32 (float)
157.3 TFLOPS
5.939 TFLOPS
FP64 (double)
2.458 TFLOPS
371.2 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
Strix Point
Architecture
CDNA 5.0
RDNA 3.5
Foundry
TSMC
TSMC
Process Size
2 nm
4 nm
Transistors
320 billion
34 billion
Die Size
Unknown
233 mm²
Board Design
TDP
2300W
15W
Suggested PSU
2700 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
2.1
Vulkan
N/A
1.3
Shader Model
N/A
6.8
📊 Benchmark
3DMark Time Spy
-
3,373
3DMark Time Spy Extreme
-
1,640
3DMark Speed Way
-
544