AMD Radeon R9 M265X vs AMD Radeon R9 M385X

VS

AMD Radeon R9 M265X

AMD Radeon R9 M385X

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M265X and 4GB VRAM Radeon R9 M385X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 1 years and 2 months late

Boost Clock has increased by 76% (1100MHz vs 625MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 64.00GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M265X

0.8 TFLOPS

Radeon R9 M385X +146%

1.971 TFLOPS

Radeon R9 M265X

VS

Radeon R9 M385X

Graphics Card

Mar 2014

Release Date

May 2015

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

575 MHz

Base Clock

1000 MHz

625 MHz

Boost Clock

1100 MHz

1000 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

76.80GB/s

Render Config

10

Compute Units

14

-

640

Shading Units

896

40

TMUs

56

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

17.60 GPixel/s

25.00 GTexel/s

Texture Rate

61.60 GTexel/s

-

800.0 GFLOPS

FP32 (float)

1.971 TFLOPS

50.00 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Venus

GPU Name

Strato

Venus PRO (216-0846009)

GPU Variant

Strato XT

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

2.08 billion

123 mm²

Die Size

160 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2.170

-

6.5 (5.1)

Shader Model

6.5

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