AMD Radeon R9 M385X vs AMD Radeon E9390 PCIe
GPU Specs Compare
Graphics Card
Release Date
May 2015
Oct 2019
Generation
Gem System
Embedded
Type
Mobile
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
713 MHz
Boost Clock
1100 MHz
1089 MHz
Memory Clock
1200 MHz
1250 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
76.80GB/s
160.0GB/s
Render Config
Compute Units
14
28
Shading Units
896
1792
TMUs
56
112
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
2 MB
Theoretical Performance
Pixel Rate
17.60 GPixel/s
34.85 GPixel/s
Texture Rate
61.60 GTexel/s
122.0 GTexel/s
FP32 (float)
1.971 TFLOPS
3.903 TFLOPS
FP64 (double)
123.2 GFLOPS
243.9 GFLOPS
FP16 (half)
-
3.903 TFLOPS
Graphics Processor
GPU Name
Strato
Ellesmere
GPU Variant
Strato XT
-
Architecture
GCN 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.08 billion
5.7 billion
Die Size
160 mm²
232 mm²
Board Design
TDP
Unknown
75W
Outputs
Portable Device Dependent
4x DisplayPort 1.4a
Power Connectors
-
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2.170
1.2
Shader Model
6.5
6.4