AMD Radeon Instinct MI325X vs AMD Radeon 660M
GPU · Specs Compare
Graphics Card
Release Date
Oct 2024
Jan 2022
Generation
Radeon Instinct
Rembrandt
Type
Professional
Integrated
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1000 MHz
1500 MHz
Boost Clock
2100 MHz
1900 MHz
Memory Clock
1500 MHz
System Shared
Memory
Memory Size
256GB
System Shared
Memory Type
HBM3e
System Shared
Memory Bus
8192bit
System Shared
Bandwidth
6.14TB/s
System Dependent
Render Config
Compute Units
304
6
Shading Units
19456
384
TMUs
1216
24
ROPs
0
16
Tensor Cores
1216
—
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
16 MB
2 MB
L3 Cache
256 MB
—
RT Cores
—
6
Theoretical Performance
Pixel Rate
0 MPixel/s
30.40 GPixel/s
Texture Rate
2553.6 GTexel/s
45.60 GTexel/s
FP16 (half)
81.72 TFLOPS
2.918 TFLOPS
FP32 (float)
81.72 TFLOPS
1459 GFLOPS
FP64 (double)
40.86 TFLOPS
91.20 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Rembrandt
Architecture
CDNA 3.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
5 nm
6 nm
Transistors
153 billion
13.1 billion
Die Size
1017 mm²
210 mm²
Board Design
TDP
1000W
15W
Suggested PSU
1400 W
—
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.0
Vulkan
N/A
1.2
Shader Model
N/A
6.5
Benchmark
3DMark Time Spy
—
1,537
3DMark Time Spy Extreme
—
701
▲ Specs Compare
Data sourced from official specifications and benchmark tests.