AMD Radeon R9 M270X vs AMD Radeon R9 380 OEM

GPU Specs Compare

Graphics Card

Release Date
Feb 2015
May 2015
Generation
Gem System
Pirate Islands
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16

Clock Speeds

Base Clock
900 MHz
-
Boost Clock
1000 MHz
-
Memory Clock
1375 MHz
1375 MHz

Memory

Memory Size
2GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
88.00GB/s
176.0GB/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
512 KB

Theoretical Performance

Pixel Rate
16.00 GPixel/s
29.38 GPixel/s
Texture Rate
48.00 GTexel/s
102.8 GTexel/s
FP32 (float)
1.536 TFLOPS
3.290 TFLOPS
FP64 (double)
96.00 GFLOPS
205.6 GFLOPS
FP16 (half)
-
3.290 TFLOPS

Graphics Processor

GPU Name
Saturn
Antigua
GPU Variant
Saturn PRO(216-0843044)
Antigua PRO(215-0877000)
Architecture
GCN 2.0
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
5 billion
Die Size
160 mm²
366 mm²

Board Design

TDP
Unknown
190W
Outputs
Portable Device Dependent
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Suggested PSU
-
450 W
Power Connectors
-
2x 6-pin

Graphics Features

DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2.170
1.2
Shader Model
6.5
6.3