AMD Radeon R9 M385X vs AMD Radeon HD 6650A

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M385X and 1024MB VRAM Radeon HD 6650A 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 1 months late

Boost Clock1100MHz

More VRAM (4GB vs 1GB)

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

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M385X +242%

1.971 TFLOPS

Radeon HD 6650A

0.576 TFLOPS

Radeon R9 M385X

VS

Radeon HD 6650A

Graphics Card

May 2015

Release Date

Apr 2011

Gem System

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

1000 MHz

Base Clock

-

1100 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

14

Compute Units

6

896

Shading Units

480

56

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

4.800 GPixel/s

61.60 GTexel/s

Texture Rate

14.40 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

576.0 GFLOPS

123.2 GFLOPS

FP64 (double)

-

Graphics Processor

Strato

GPU Name

Onega

Strato XT

GPU Variant

-

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

118 mm²

Board Design

Unknown

TDP

45W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

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

-

CUDA

-

6.5

Shader Model

5.0

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