AMD Radeon RX 6600M vs AMD Instinct MI300A
GPU Specs Compare
Graphics Card
Release Date
May 2021
Dec 2023
Generation
Mobility Radeon
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 4.0 x8
PCIe 5.0 x16
Clock Speeds
Base Clock
2068 MHz
1000 MHz
Boost Clock
2416 MHz
2100 MHz
Memory Clock
1750 MHz
1300 MHz
Memory
Memory Size
8GB
128GB
Memory Type
GDDR6
HBM3
Memory Bus
128bit
8192bit
Bandwidth
224.0GB/s
5.32TB/s
Render Config
Compute Units
28
228
Shading Units
1792
14592
TMUs
112
912
ROPs
64
0
RT Cores
28
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
16 MB
L3 Cache
32 MB
256 MB
Theoretical Performance
Pixel Rate
154.6 GPixel/s
0 MPixel/s
Texture Rate
270.6 GTexel/s
1915.2 GTexel/s
FP16 (half)
17.32 TFLOPS
653.7 TFLOPS
FP32 (float)
8.659 TFLOPS
61.29 TFLOPS
FP64 (double)
541.2 GFLOPS
30.64 TFLOPS
Graphics Processor
GPU Name
Navi 23
Aqua Vanjaram
Architecture
RDNA 2.0
CDNA 3.0
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
11.06 billion
153 billion
Die Size
237 mm²
1017 mm²
Board Design
TDP
100W
750W
Outputs
No outputs
No outputs
Power Connectors
None
None
Suggested PSU
-
1150 W
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.5
N/A