AMD Radeon HD 6650A vs NVIDIA GeForce 940M

VS

AMD Radeon HD 6650A

NVIDIA GeForce 940M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650A and 2GB VRAM GeForce 940M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650A 's Advantages

Larger VRAM bandwidth (28.80GB/s vs 14.40GB/s)

Lower TDP (45W vs 75W)

NVIDIA GeForce 940M 's Advantages

Released 3 years and 11 months late

Boost Clock1098MHz

More VRAM (2GB vs 1024GB)

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6650A

0.576 TFLOPS

GeForce 940M +95%

1.124 TFLOPS

Radeon HD 6650A

VS

GeForce 940M

Graphics Card

Apr 2011

Release Date

Mar 2015

All-In-One

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1098 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

-

480

Shading Units

512

24

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

17.57 GPixel/s

14.40 GTexel/s

Texture Rate

35.14 GTexel/s

-

576.0 GFLOPS

FP32 (float)

1124 GFLOPS

-

FP64 (double)

35.14 GFLOPS

Board Design

45W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Onega

GPU Name

GM107

-

GPU Variant

N16S-GT1-KB-B

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.87 billion

118 mm²

Die Size

148 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

Shader Model

5.1

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