AMD Radeon Instinct MI455X vs AMD Radeon RX 9060 XT 8 GB
GPU · Specs Compare
Graphics Card
Release Date
Jul 2026
Jun 2025
Generation
Radeon Instinct
Navi IV
Type
Desktop
Desktop
Bus Interface
PCIe 6.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1000 MHz
1700 MHz
Boost Clock
2400 MHz
3130 MHz
Memory Clock
1900 MHz
2518 MHz
Memory
Memory Size
432GB
8GB
Memory Type
HBM4
GDDR6
Memory Bus
24576bit
128bit
Bandwidth
23.3TB/s
322.3GB/s
Render Config
Compute Units
256
32
Shading Units
32768
2048
TMUs
1024
128
ROPs
0
64
L1 Cache
32 KB (per CU)
256 KB (per SM)
L2 Cache
192 MB
4 MB
SM Count
—
132
Tensor Cores
—
528
RT Cores
—
32
L3 Cache
—
32 MB
Theoretical Performance
Pixel Rate
0 MPixel/s
200.3 GPixel/s
Texture Rate
2457.6 GTexel/s
400.6 GTexel/s
FP16 (half)
157.3 TFLOPS
51.28 TFLOPS
FP32 (float)
157.3 TFLOPS
25.64 TFLOPS
FP64 (double)
2.458 TFLOPS
801.3 GFLOPS
Graphics Processor
GPU Name
MI450 256CU
Navi 44
Architecture
CDNA 5.0
RDNA 4.0
Foundry
TSMC
TSMC
Process Size
2 nm
4 nm
Transistors
320 billion
29.7 billion
Die Size
Unknown
199 mm²
GPU Variant
—
Navi 44 XT(215-176400102)
Board Design
TDP
2300W
150W
Suggested PSU
2700 W
450 W
Outputs
No outputs
1x HDMI 2.1b2x DisplayPort 2.1a
Power Connectors
None
1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.2
Vulkan
N/A
1.3
Shader Model
N/A
6.8
CUDA
—
9.0
▲ Specs Compare
Data sourced from official specifications and benchmark tests.