AMD Radeon R9 M380 Mac Edition vs AMD Radeon R9 280
GPU Specs Compare
Graphics Card
Release Date
May 2015
Mar 2014
Generation
Gem System
Volcanic Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
900 MHz
827 MHz
Boost Clock
1021 MHz
933 MHz
Memory Clock
1568 MHz
1250 MHz
Memory
Memory Size
2GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
384bit
Bandwidth
100.4GB/s
240.0GB/s
Render Config
Compute Units
12
28
Shading Units
768
1792
TMUs
48
112
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
768 KB
Theoretical Performance
Pixel Rate
16.34 GPixel/s
29.86 GPixel/s
Texture Rate
49.01 GTexel/s
104.5 GTexel/s
FP32 (float)
1.568 TFLOPS
3.344 TFLOPS
FP64 (double)
98.02 GFLOPS
836.0 GFLOPS
Graphics Processor
GPU Name
Strato
Tahiti
GPU Variant
Strato PRO
Tahiti PRO3(215-0821330)
Architecture
GCN 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
4.313 billion
Die Size
160 mm²
352 mm²
Board Design
TDP
Unknown
200W
Outputs
Portable Device Dependent
1x DVI2x HDMI 1.4a1x DisplayPort 1.2
Suggested PSU
-
550 W
Power Connectors
-
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (12_0)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.2.170
1.2
Shader Model
6.5
5.1