AMD Radeon R9 M385X vs AMD Radeon R9 M270X

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 2GB VRAM Radeon R9 M270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Boost Clock has increased by 10% (1100MHz vs 1000MHz)

More VRAM (4GB vs 2GB)

128 additional rendering cores

AMD Radeon R9 M270X 's Advantages

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

Score

Benchmark

FP32 (float)

Radeon R9 M385X +28%

1.971 TFLOPS

Radeon R9 M270X

1.536 TFLOPS

Radeon R9 M385X

VS

Radeon R9 M270X

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

1000 MHz

Base Clock

900 MHz

1100 MHz

Boost Clock

1000 MHz

1200 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

88.00GB/s

Render Config

-

SM Count

-

14

Compute Units

12

896

Shading Units

768

56

TMUs

48

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

16.00 GPixel/s

61.60 GTexel/s

Texture Rate

48.00 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

1.536 TFLOPS

123.2 GFLOPS

FP64 (double)

96.00 GFLOPS

Graphics Processor

Strato

GPU Name

Saturn

Strato XT

GPU Variant

Saturn PRO (216-0843044)

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

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

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

-

CUDA

-

6.5

Shader Model

6.5

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