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

VS

NVIDIA GeForce GTX 680M

NVIDIA GeForce GTX 950M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 2GB VRAM GeForce GTX 950M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

704 additional rendering cores

NVIDIA GeForce GTX 950M Mac Edition 's Advantages

Released 2 years and 9 months late

Boost Clock has increased by 48% (1124MHz vs 758MHz)

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 680M +41%

2.038 TFLOPS

GeForce GTX 950M Mac Edition

1.439 TFLOPS

GeForce GTX 680M

VS

GeForce GTX 950M Mac Edition

Graphics Card

Jun 2012

Release Date

Mar 2015

GeForce 600M

Generation

GeForce 900M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

719 MHz

Base Clock

993 MHz

758 MHz

Boost Clock

1124 MHz

900 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

28.80GB/s

Render Config

-

1344

Shading Units

640

112

TMUs

40

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

21.22 GPixel/s

Pixel Rate

17.98 GPixel/s

84.90 GTexel/s

Texture Rate

44.96 GTexel/s

-

2.038 TFLOPS

FP32 (float)

1439 GFLOPS

84.90 GFLOPS

FP64 (double)

44.96 GFLOPS

Board Design

100W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

GM107

N13E-GTX-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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