AMD Radeon HD 6650A vs NVIDIA GeForce 945A

VS

AMD Radeon HD 6650A

NVIDIA GeForce 945A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650A and 1024MB VRAM GeForce 945A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650A 's Advantages

96 additional rendering cores

NVIDIA GeForce 945A 's Advantages

Released 3 years and 11 months late

Boost Clock1189MHz

Larger VRAM bandwidth (40.10GB/s vs 28.80GB/s)

Lower TDP (33W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 6650A

0.576 TFLOPS

GeForce 945A +58%

0.913 TFLOPS

Radeon HD 6650A

VS

GeForce 945A

Graphics Card

Apr 2011

Release Date

Mar 2015

All-In-One

Generation

GeForce 900A

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1006 MHz

-

Boost Clock

1189 MHz

900 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

40.10GB/s

Render Config

6

Compute Units

-

480

Shading Units

384

24

TMUs

24

8

ROPs

8

-

8 KB (per CU)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

9.512 GPixel/s

14.40 GTexel/s

Texture Rate

28.54 GTexel/s

-

576.0 GFLOPS

FP32 (float)

913.2 GFLOPS

-

FP64 (double)

28.54 GFLOPS

Board Design

45W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Onega

GPU Name

GM108

-

TeraScale 2

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

Unknown

118 mm²

Die Size

Unknown

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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