AMD Radeon R9 380 OEM vs AMD Radeon R9 M485X
GPU Specs Compare
Graphics Card
Release Date
May 2015
May 2016
Generation
Pirate Islands
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1375 MHz
1250 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
176.0GB/s
160.0GB/s
Render Config
Compute Units
28
32
Shading Units
1792
2048
TMUs
112
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
512 KB
Theoretical Performance
Pixel Rate
29.38 GPixel/s
23.14 GPixel/s
Texture Rate
102.8 GTexel/s
92.54 GTexel/s
FP16 (half)
3.290 TFLOPS
2.961 TFLOPS
FP32 (float)
3.290 TFLOPS
2.961 TFLOPS
FP64 (double)
205.6 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
Antigua
Amethyst
GPU Variant
Antigua PRO(215-0877000)
Amethyst XT
Architecture
GCN 3.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
5 billion
Die Size
366 mm²
366 mm²
Board Design
TDP
190W
250W
Suggested PSU
450 W
-
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
No outputs
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.0
Vulkan
1.2
1.2
Shader Model
6.3
6.3