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GPU Comparison
AMD Radeon R9 M390 Mac Edition vs AMD Radeon R9 M380 Mac Edition
AMD Radeon R9 M390 Mac Edition vs AMD Radeon R9 M380 Mac Edition
VS
AMD Radeon R9 M390 Mac Edition
AMD Radeon R9 M380 Mac Edition
We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 Mac Edition and 2GB VRAM Radeon R9 M380 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 M390 Mac Edition 's Advantages
Larger VRAM bandwidth (174.7GB/s vs 100.4GB/s)
256 additional rendering cores
AMD Radeon R9 M380 Mac Edition 's Advantages
Boost Clock1021MHz
Score
Benchmark
FP32 (float)
Radeon R9 M390 Mac Edition
+25%
1.962 TFLOPS
Radeon R9 M380 Mac Edition
1.568 TFLOPS
Radeon R9 M390 Mac Edition
VS
Radeon R9 M380 Mac Edition
Graphics Card
May 2015
Release Date
May 2015
Crystal System
Generation
Gem System
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
900 MHz
-
Boost Clock
1021 MHz
1365 MHz
Memory Clock
1568 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
174.7GB/s
Bandwidth
100.4GB/s
Render Config
-
SM Count
-
16
Compute Units
12
1024
Shading Units
768
64
TMUs
48
32
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
30.66 GPixel/s
Pixel Rate
16.34 GPixel/s
61.31 GTexel/s
Texture Rate
49.01 GTexel/s
-
FP16 (half)
-
1.962 TFLOPS
FP32 (float)
1.568 TFLOPS
122.6 GFLOPS
FP64 (double)
98.02 GFLOPS
Graphics Processor
Pitcairn
GPU Name
Strato
Pitcairn PRO (215-0828062)
GPU Variant
Strato PRO
GCN 1.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
2.08 billion
212 mm²
Die Size
160 mm²
Board Design
80W
TDP
Unknown
-
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.2.170
-
CUDA
-
5.1
Shader Model
6.5
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