AMD Radeon R9 M395 Mac Edition vs AMD Radeon E9390 PCIe
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Oct 2019
Generation
Crystal System
Embedded
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1365 MHz
1250 MHz
Base Clock
—
713 MHz
Boost Clock
—
1089 MHz
Memory
Memory Size
2GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
174.7GB/s
160.0GB/s
Render Config
Compute Units
28
28
Shading Units
1792
1792
TMUs
112
112
ROPs
32
32
L1 Cache
—
16 KB (per CU)
L2 Cache
—
2 MB
Theoretical Performance
Pixel Rate
26.69 GPixel/s
34.85 GPixel/s
Texture Rate
93.41 GTexel/s
122.0 GTexel/s
FP32 (float)
2.989 TFLOPS
3.903 TFLOPS
FP64 (double)
373.6 GFLOPS
243.9 GFLOPS
FP16 (half)
—
3.903 TFLOPS
Graphics Processor
GPU Name
Amethyst
Ellesmere
GPU Variant
Amethyst PRO(216-0872004)
—
Architecture
GCN 3.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
5 billion
5.7 billion
Die Size
366 mm²
232 mm²
Board Design
TDP
250W
75W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.3
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.