AMD Radeon R9 390X vs AMD Radeon R9 M380
GPU Specs Compare
Graphics Card
Release Date
Jun 2015
May 2015
Generation
Pirate Islands
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1500 MHz
1500 MHz
Base Clock
-
900 MHz
Boost Clock
-
1000 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
512bit
128bit
Bandwidth
384.0GB/s
96.00GB/s
Render Config
Compute Units
44
12
Shading Units
2816
768
TMUs
176
48
ROPs
64
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
256 KB
Theoretical Performance
Pixel Rate
67.20 GPixel/s
16.00 GPixel/s
Texture Rate
184.8 GTexel/s
48.00 GTexel/s
FP32 (float)
5.914 TFLOPS
1.536 TFLOPS
FP64 (double)
739.2 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
Grenada
Strato
GPU Variant
Grenada XT(215-0880004)
Strato PRO
Architecture
GCN 2.0
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
6.2 billion
2.08 billion
Die Size
438 mm²
160 mm²
Board Design
TDP
275W
Unknown
Suggested PSU
600 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Portable Device Dependent
Power Connectors
1x 6-pin + 1x 8-pin
-
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2.170
Shader Model
6.3
6.5