NVIDIA GeForce GTX 680MX Mac Edition vs NVIDIA GeForce GTX 950M

VS

NVIDIA GeForce GTX 680MX Mac Edition

NVIDIA GeForce GTX 950M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition and 4GB VRAM GeForce GTX 950M 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

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

896 additional rendering cores

NVIDIA GeForce GTX 950M 's Advantages

Released 2 years and 5 months late

Boost Clock1124MHz

More VRAM (4GB vs 2GB)

Lower TDP (75W vs 122W)

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +53%

2.209 TFLOPS

GeForce GTX 950M

1.439 TFLOPS

GeForce GTX 680MX Mac Edition

VS

GeForce GTX 950M

Graphics Card

Oct 2012

Release Date

Mar 2015

GeForce 600M

Generation

GeForce 900M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

993 MHz

-

Boost Clock

1124 MHz

1250 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

28.80GB/s

Render Config

-

1536

Shading Units

640

128

TMUs

40

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

23.01 GPixel/s

Pixel Rate

17.98 GPixel/s

92.03 GTexel/s

Texture Rate

44.96 GTexel/s

-

2.209 TFLOPS

FP32 (float)

1439 GFLOPS

92.03 GFLOPS

FP64 (double)

44.96 GFLOPS

Board Design

122W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK104

GPU Name

GM107

N13E-GTX2-A2

GPU Variant

N16P-GT

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.87 billion

294 mm²

Die Size

148 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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