AMD Radeon R9 M380 Mac Edition vs AMD Radeon R9 M390 Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M380 Mac Edition and 2GB VRAM Radeon R9 M390 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M380 Mac Edition 's Advantages
Boost Clock1021MHz
AMD Radeon R9 M390 Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 100.4GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 M380 Mac Edition
1.568 TFLOPS
Radeon R9 M390 Mac Edition
+25%
1.962 TFLOPS
Graphics Card
May 2015
Release Date
May 2015
Gem System
Generation
Crystal System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Base Clock
-
1021 MHz
Boost Clock
-
1568 MHz
Memory Clock
1365 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
100.4GB/s
Bandwidth
174.7GB/s
Render Config
12
Compute Units
16
-
-
-
768
Shading Units
1024
48
TMUs
64
16
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
16.34 GPixel/s
Pixel Rate
30.66 GPixel/s
49.01 GTexel/s
Texture Rate
61.31 GTexel/s
-
-
-
1.568 TFLOPS
FP32 (float)
1.962 TFLOPS
98.02 GFLOPS
FP64 (double)
122.6 GFLOPS
Board Design
Unknown
TDP
80W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
Strato
GPU Name
Pitcairn
Strato PRO
GPU Variant
Pitcairn PRO
(215-0828062)
GCN 2.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.08 billion
Transistors
2.8 billion
160 mm²
Die Size
212 mm²
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2.170
Vulkan
1.2
-
-
-
6.5
Shader Model
5.1
