NVIDIA GeForce GT 755M Mac Edition vs AMD Radeon HD 6550A

VS

NVIDIA GeForce GT 755M Mac Edition

AMD Radeon HD 6550A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 755M Mac Edition and 2GB VRAM Radeon HD 6550A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 755M Mac Edition 's Advantages

Released 2 years and 9 months late

Larger VRAM bandwidth (80.00GB/s vs 25.60GB/s)

AMD Radeon HD 6550A 's Advantages

More VRAM (2GB vs 1024GB)

96 additional rendering cores

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

GeForce GT 755M Mac Edition +57%

0.833 TFLOPS

Radeon HD 6550A

0.528 TFLOPS

GeForce GT 755M Mac Edition

VS

Radeon HD 6550A

Graphics Card

Nov 2013

Release Date

Feb 2011

GeForce 700M

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1250 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

80.00GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

480

32

TMUs

24

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

8.680 GPixel/s

Pixel Rate

4.400 GPixel/s

34.72 GTexel/s

Texture Rate

13.20 GTexel/s

-

833.3 GFLOPS

FP32 (float)

528.0 GFLOPS

34.72 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

Pinewood

GT 755M

GPU Variant

Pinewood PRO

Kepler

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.627 billion

118 mm²

Die Size

104 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

5.0

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