AMD Radeon R9 M385 vs AMD Radeon E6465

VS

AMD Radeon R9 M385

AMD Radeon E6465

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 2GB VRAM Radeon E6465 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385 's Advantages

Boost Clock1000MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 25.60GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385 +833%

1.792 TFLOPS

Radeon E6465

0.192 TFLOPS

Radeon R9 M385

VS

Radeon E6465

Graphics Card

May 2015

Release Date

Sep 2015

Gem System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1200 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

25.60GB/s

Render Config

14

Compute Units

2

-

896

Shading Units

160

56

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

2.400 GPixel/s

56.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

1.792 TFLOPS

FP32 (float)

192.0 GFLOPS

112.0 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

Caicos

Strato XT

GPU Variant

-

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.37 billion

160 mm²

Die Size

67 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5

Shader Model

5.0

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