AMD Radeon R9 M385X vs AMD Radeon R7 M260

VS

AMD Radeon R9 M385X

AMD Radeon R7 M260

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 2GB VRAM Radeon R7 M260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 11 months late

Boost Clock has increased by 12% (1100MHz vs 980MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 14.40GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X +162%

1.971 TFLOPS

Radeon R7 M260

0.752 TFLOPS

Radeon R9 M385X

VS

Radeon R7 M260

Graphics Card

May 2015

Release Date

Jun 2014

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1000 MHz

Base Clock

940 MHz

1100 MHz

Boost Clock

980 MHz

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

14.40GB/s

Render Config

14

Compute Units

6

-

896

Shading Units

384

56

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

7.840 GPixel/s

61.60 GTexel/s

Texture Rate

23.52 GTexel/s

-

FP16 (half)

752.6 GFLOPS

1.971 TFLOPS

FP32 (float)

752.6 GFLOPS

123.2 GFLOPS

FP64 (double)

47.04 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Strato

GPU Name

Topaz

Strato XT

GPU Variant

Topaz XT (216-0858020)

GCN 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.55 billion

160 mm²

Die Size

125 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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