NVIDIA GeForce GTX 680M vs NVIDIA GeForce GT 120M Mac Edition

VS

NVIDIA GeForce GTX 680M

NVIDIA GeForce GT 120M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 256MB VRAM GeForce GT 120M 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

Released 3 years and 6 months late

Boost Clock758MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 25.34GB/s)

1312 additional rendering cores

NVIDIA GeForce GT 120M Mac Edition 's Advantages

Lower TDP (14W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 680M +2447%

2.038 TFLOPS

GeForce GT 120M Mac Edition

0.08 TFLOPS

GeForce GTX 680M

VS

GeForce GT 120M Mac Edition

Graphics Card

Jun 2012

Release Date

Dec 2008

GeForce 600M

Generation

GeForce 100M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

900 MHz

Memory Clock

792 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

25.34GB/s

Render Config

-

SM Count

4

1344

Shading Units

32

112

TMUs

16

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

32 KB

-

Theoretical Performance

21.22 GPixel/s

Pixel Rate

4.000 GPixel/s

84.90 GTexel/s

Texture Rate

8.000 GTexel/s

-

2.038 TFLOPS

FP32 (float)

80.00 GFLOPS

84.90 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

14W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

G96C

N13E-GTX-A2

GPU Variant

-

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.314 billion

294 mm²

Die Size

121 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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