AMD Radeon HD 6650M vs AMD Radeon R9 M280X

VS

AMD Radeon HD 6650M

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650M and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M280X 's Advantages

Released 4 years and 1 months late

Boost Clock1000MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (88.00GB/s vs 25.60GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6650M

0.576 TFLOPS

Radeon R9 M280X +211%

1.792 TFLOPS

Radeon HD 6650M

VS

Radeon R9 M280X

Graphics Card

Jan 2011

Release Date

Feb 2015

Vancouver

Generation

Gem System

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1000 MHz

800 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

4GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

88.00GB/s

Render Config

6

Compute Units

14

-

480

Shading Units

896

24

TMUs

56

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

16.00 GPixel/s

14.40 GTexel/s

Texture Rate

56.00 GTexel/s

-

576.0 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

112.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Whistler

GPU Name

Saturn

Whistler LE (216-0810028)

GPU Variant

Saturn XT (216-0843024)

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.08 billion

118 mm²

Die Size

160 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5

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