NVIDIA GeForce GTX 680MX Mac Edition vs NVIDIA GeForce GT 755M Mac Edition

VS

NVIDIA GeForce GTX 680MX Mac Edition

NVIDIA GeForce GT 755M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 1024MB VRAM GeForce GT 755M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680MX Mac Edition 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (160.0GB/s vs 80.00GB/s)

1152 additional rendering cores

NVIDIA GeForce GT 755M Mac Edition 's Advantages

Released 1 years and 1 months late

Lower TDP (50W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +165%

2.209 TFLOPS

GeForce GT 755M Mac Edition

0.833 TFLOPS

GeForce GTX 680MX Mac Edition

VS

GeForce GT 755M Mac Edition

Graphics Card

Oct 2012

Release Date

Nov 2013

GeForce 600M

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

80.00GB/s

Render Config

-

1536

Shading Units

384

128

TMUs

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

23.01 GPixel/s

Pixel Rate

8.680 GPixel/s

92.03 GTexel/s

Texture Rate

34.72 GTexel/s

-

2.209 TFLOPS

FP32 (float)

833.3 GFLOPS

92.03 GFLOPS

FP64 (double)

34.72 GFLOPS

Board Design

122W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

GK107

N13E-GTX2-A2

GPU Variant

GT 755M

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.27 billion

294 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.0

CUDA

3.0

5.1

Shader Model

5.1

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