AMD Radeon R9 M385 vs AMD Radeon R9 M280X

VS

AMD Radeon R9 M385

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

Larger VRAM bandwidth (88.00GB/s vs 76.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 M385

1.792 TFLOPS

Radeon R9 M280X

1.792 TFLOPS

Radeon R9 M385

VS

Radeon R9 M280X

Graphics Card

May 2015

Release Date

Feb 2015

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

900 MHz

1000 MHz

Boost Clock

1000 MHz

1200 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

88.00GB/s

Render Config

14

Compute Units

14

-

896

Shading Units

896

56

TMUs

56

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

16.00 GPixel/s

56.00 GTexel/s

Texture Rate

56.00 GTexel/s

-

1.792 TFLOPS

FP32 (float)

1.792 TFLOPS

112.0 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Strato

GPU Name

Saturn

Strato XT

GPU Variant

Saturn XT (216-0843024)

GCN 2.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

2.08 billion

160 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2.170

-

6.5

Shader Model

6.5

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