AMD Radeon R9 M280X vs AMD Radeon HD 6650M

VS

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M280X and 1024MB VRAM Radeon HD 6650M 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 1GB)

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

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M280X +211%

1.792 TFLOPS

Radeon HD 6650M

0.576 TFLOPS

Radeon R9 M280X

VS

Radeon HD 6650M

Graphics Card

Feb 2015

Release Date

Jan 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1375 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

88.00GB/s

Bandwidth

25.60GB/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

16.00 GPixel/s

Pixel Rate

4.800 GPixel/s

56.00 GTexel/s

Texture Rate

14.40 GTexel/s

-

FP16 (half)

-

1.792 TFLOPS

FP32 (float)

576.0 GFLOPS

112.0 GFLOPS

FP64 (double)

-

Graphics Processor

Saturn

GPU Name

Whistler

Saturn XT (216-0843024)

GPU Variant

Whistler LE (216-0810028)

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

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

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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