AMD Radeon R9 M385X vs AMD Radeon HD 6470M

VS

AMD Radeon R9 M385X

AMD Radeon HD 6470M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 512MB VRAM Radeon HD 6470M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M385X 's Advantages

Released 4 years and 4 months late

Boost Clock1100MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (76.80GB/s vs 12.80GB/s)

736 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X +779%

1.971 TFLOPS

Radeon HD 6470M

0.224 TFLOPS

Radeon R9 M385X

VS

Radeon HD 6470M

Graphics Card

May 2015

Release Date

Jan 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

76.80GB/s

Bandwidth

12.80GB/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

17.60 GPixel/s

Pixel Rate

2.800 GPixel/s

61.60 GTexel/s

Texture Rate

5.600 GTexel/s

-

1.971 TFLOPS

FP32 (float)

224.0 GFLOPS

123.2 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Strato

GPU Name

Seymour

Strato XT

GPU Variant

Seymour XT (216-0810084)

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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