AMD Radeon RX 7600M XT vs AMD Radeon Instinct MI455X
GPU Specs Compare
Graphics Card
Release Date
Jan 2023
Jul 2026
Generation
Navi Mobile
Radeon Instinct
Type
Mobile
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1280 MHz
1000 MHz
Boost Clock
2469 MHz
2400 MHz
Memory Clock
2250 MHz
1900 MHz
Memory
Memory Size
8GB
432GB
Memory Type
GDDR6
HBM4
Memory Bus
128bit
24576bit
Bandwidth
288.0GB/s
23.3TB/s
Render Config
Compute Units
32
256
Shading Units
2048
32768
TMUs
128
1024
ROPs
64
0
RT Cores
32
-
L1 Cache
128 KB per Array
32 KB (per CU)
L2 Cache
2 MB
192 MB
L3 Cache
32 MB
-
Theoretical Performance
Pixel Rate
158.0 GPixel/s
0 MPixel/s
Texture Rate
316.0 GTexel/s
2457.6 GTexel/s
FP16 (half)
40.45 TFLOPS
157.3 TFLOPS
FP32 (float)
20.23 TFLOPS
157.3 TFLOPS
FP64 (double)
632.1 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
Navi 33
MI450 256CU
GPU Variant
Navi 33 XTM
-
Architecture
RDNA 3.0
CDNA 5.0
Foundry
TSMC
TSMC
Process Size
6 nm
2 nm
Transistors
13.3 billion
320 billion
Die Size
204 mm²
Unknown
Board Design
TDP
120W
2300W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Suggested PSU
-
2700 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
Shader Model
6.7
N/A
📊 Benchmark
3DMark Time Spy
8,828
-
3DMark Time Spy Extreme
4,554
-