AMD Radeon HD 8730M vs AMD Radeon R9 M385

VS

AMD Radeon HD 8730M

AMD Radeon R9 M385

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8730M and 4GB VRAM Radeon R9 M385 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 1 months late

Boost Clock has increased by 43% (1000MHz vs 700MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (76.80GB/s vs 28.80GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8730M

0.537 TFLOPS

Radeon R9 M385 +233%

1.792 TFLOPS

Radeon HD 8730M

VS

Radeon R9 M385

Graphics Card

Apr 2013

Release Date

May 2015

Solar System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

650 MHz

Base Clock

900 MHz

700 MHz

Boost Clock

1000 MHz

900 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

76.80GB/s

Render Config

6

Compute Units

14

-

384

Shading Units

896

24

TMUs

56

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.600 GPixel/s

Pixel Rate

16.00 GPixel/s

16.80 GTexel/s

Texture Rate

56.00 GTexel/s

-

537.6 GFLOPS

FP32 (float)

1.792 TFLOPS

33.60 GFLOPS

FP64 (double)

112.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Mars

GPU Name

Strato

Mars S3 PRO (216-0842027)

GPU Variant

Strato XT

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

2.08 billion

77 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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