AMD Radeon HD 6550A vs NVIDIA GeForce GTX 780M Mac Edition

VS

AMD Radeon HD 6550A

NVIDIA GeForce GTX 780M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6550A and 4GB VRAM GeForce GTX 780M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6550A 's Advantages

Lower TDP (35W vs 122W)

NVIDIA GeForce GTX 780M Mac Edition 's Advantages

Released 2 years and 9 months late

Boost Clock797MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 25.60GB/s)

1056 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6550A

0.528 TFLOPS

GeForce GTX 780M Mac Edition +363%

2.448 TFLOPS

Radeon HD 6550A

VS

GeForce GTX 780M Mac Edition

Graphics Card

Feb 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

-

Base Clock

771 MHz

-

Boost Clock

797 MHz

800 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

160.0GB/s

Render Config

6

Compute Units

-

480

Shading Units

1536

24

TMUs

128

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

25.50 GPixel/s

13.20 GTexel/s

Texture Rate

102.0 GTexel/s

-

528.0 GFLOPS

FP32 (float)

2.448 TFLOPS

-

FP64 (double)

102.0 GFLOPS

Board Design

35W

TDP

122W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Pinewood

GPU Name

GK104

Pinewood PRO

GPU Variant

N14E-GTX-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

3.54 billion

104 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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