AMD Radeon HD 6650A vs NVIDIA GeForce GTX 775M Mac Edition

VS

AMD Radeon HD 6650A

NVIDIA GeForce GTX 775M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6650A and 2GB VRAM GeForce GTX 775M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6650A 's Advantages

Lower TDP (45W vs 100W)

NVIDIA GeForce GTX 775M Mac Edition 's Advantages

Released 2 years and 7 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 28.80GB/s)

864 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6650A

0.576 TFLOPS

GeForce GTX 775M Mac Edition +271%

2.142 TFLOPS

Radeon HD 6650A

VS

GeForce GTX 775M Mac Edition

Graphics Card

Apr 2011

Release Date

Nov 2013

All-In-One

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

160.0GB/s

Render Config

6

Compute Units

-

480

Shading Units

1344

24

TMUs

112

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

22.32 GPixel/s

14.40 GTexel/s

Texture Rate

89.26 GTexel/s

-

576.0 GFLOPS

FP32 (float)

2.142 TFLOPS

-

FP64 (double)

89.26 GFLOPS

Board Design

45W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Onega

GPU Name

GK104

-

GPU Variant

N13E-GTX-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

3.54 billion

118 mm²

Die Size

294 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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