AMD Radeon R9 M385 vs AMD Radeon HD 7670M Rebrand

VS

AMD Radeon R9 M385

AMD Radeon HD 7670M Rebrand

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385 and 1024MB VRAM Radeon HD 7670M Rebrand 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 10 months late

Boost Clock1000MHz

More VRAM (4GB vs 1024GB)

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

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385 +211%

1.792 TFLOPS

Radeon HD 7670M Rebrand

0.576 TFLOPS

Radeon R9 M385

VS

Radeon HD 7670M Rebrand

Graphics Card

May 2015

Release Date

Jul 2012

Gem System

Generation

London

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

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

28.80GB/s

Render Config

14

Compute Units

6

-

896

Shading Units

480

56

TMUs

24

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

16.00 GPixel/s

Pixel Rate

9.600 GPixel/s

56.00 GTexel/s

Texture Rate

14.40 GTexel/s

-

1.792 TFLOPS

FP32 (float)

576.0 GFLOPS

112.0 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

20W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Strato

GPU Name

Whistler

Strato XT

GPU Variant

Whistler XT (216-0810001)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

0.716 billion

160 mm²

Die Size

104 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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