AMD Radeon R9 M385 vs AMD Radeon HD 8590M

VS

AMD Radeon R9 M385

AMD Radeon HD 8590M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 1024MB VRAM Radeon HD 8590M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385 's Advantages

Released 2 years and 2 months late

Boost Clock has increased by 21% (1000MHz vs 825MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (76.80GB/s vs 36.00GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385 +239%

1.792 TFLOPS

Radeon HD 8590M

0.528 TFLOPS

Radeon R9 M385

VS

Radeon HD 8590M

Graphics Card

May 2015

Release Date

Mar 2013

Gem System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

750 MHz

1000 MHz

Boost Clock

825 MHz

1200 MHz

Memory Clock

1125 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

36.00GB/s

Render Config

14

Compute Units

5

-

896

Shading Units

320

56

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

6.600 GPixel/s

56.00 GTexel/s

Texture Rate

16.50 GTexel/s

-

1.792 TFLOPS

FP32 (float)

528.0 GFLOPS

112.0 GFLOPS

FP64 (double)

33.00 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Strato

GPU Name

Sun

Strato XT

GPU Variant

-

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

0.69 billion

160 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5

Shader Model

5.1

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