AMD Radeon R9 M290X vs AMD Radeon HD 6650A

VS

AMD Radeon R9 M290X

AMD Radeon HD 6650A

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X 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 M290X 's Advantages

Released 2 years and 9 months late

Boost Clock900MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 28.80GB/s)

800 additional rendering cores

AMD Radeon HD 6650A 's Advantages

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X +300%

2.304 TFLOPS

Radeon HD 6650A

0.576 TFLOPS

Radeon R9 M290X

VS

Radeon HD 6650A

Graphics Card

Jan 2014

Release Date

Apr 2011

Crystal System

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

28.80GB/s

Render Config

20

Compute Units

6

-

1280

Shading Units

480

80

TMUs

24

32

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

4.800 GPixel/s

72.00 GTexel/s

Texture Rate

14.40 GTexel/s

-

2.304 TFLOPS

FP32 (float)

576.0 GFLOPS

144.0 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

45W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Neptune

GPU Name

Onega

Neptune XT (216-0847000)

GPU Variant

-

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.716 billion

212 mm²

Die Size

118 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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