AMD Radeon R9 M385 vs AMD Radeon 660M
GPU Specs Compare
Graphics Card
Release Date
May 2015
Jan 2022
Generation
Gem System
Rembrandt
Type
Mobile
Integrated
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
900 MHz
1500 MHz
Boost Clock
1000 MHz
1900 MHz
Memory Clock
1200 MHz
System Shared
Memory
Memory Size
4GB
System Shared
Memory Type
GDDR5
System Shared
Memory Bus
128bit
System Shared
Bandwidth
76.80GB/s
System Dependent
Render Config
Compute Units
14
6
Shading Units
896
384
TMUs
56
24
ROPs
16
16
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
256 KB
2 MB
RT Cores
-
6
Theoretical Performance
Pixel Rate
16.00 GPixel/s
30.40 GPixel/s
Texture Rate
56.00 GTexel/s
45.60 GTexel/s
FP32 (float)
1.792 TFLOPS
1459 GFLOPS
FP64 (double)
112.0 GFLOPS
91.20 GFLOPS
FP16 (half)
-
2.918 TFLOPS
Graphics Processor
GPU Name
Strato
Rembrandt
GPU Variant
Strato XT
-
Architecture
GCN 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
6 nm
Transistors
2.08 billion
13.1 billion
Die Size
160 mm²
210 mm²
Board Design
TDP
Unknown
15W
Outputs
Portable Device Dependent
No outputs
Power Connectors
-
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2.170
1.2
Shader Model
6.5
6.5
📊 Benchmark
3DMark Time Spy
-
1,537
3DMark Time Spy Extreme
-
701