NVIDIA GeForce GTX 680M vs NVIDIA GeForce GT 740M

VS

NVIDIA GeForce GTX 680M

NVIDIA GeForce GT 740M

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 680M and 2GB VRAM GeForce GT 740M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680M 's Advantages

Boost Clock758MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)

960 additional rendering cores

NVIDIA GeForce GT 740M 's Advantages

Released 1 years late

Lower TDP (33W vs 100W)

Score

Benchmark

FP32 (float)

GeForce GTX 680M +170%

2.038 TFLOPS

GeForce GT 740M

0.753 TFLOPS

Blender

GeForce GTX 680M +626%

189

GeForce GT 740M

26

GeForce GTX 680M

VS

GeForce GT 740M

Graphics Card

Jun 2012

Release Date

Jun 2013

GeForce 600M

Generation

GeForce 700M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

900 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

14.40GB/s

Render Config

-

1344

Shading Units

384

112

TMUs

32

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

21.22 GPixel/s

Pixel Rate

7.840 GPixel/s

84.90 GTexel/s

Texture Rate

31.36 GTexel/s

-

2.038 TFLOPS

FP32 (float)

752.6 GFLOPS

84.90 GFLOPS

FP64 (double)

31.36 GFLOPS

Board Design

100W

TDP

33W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GK104

GPU Name

GK208

N13E-GTX-A2

GPU Variant

GT 740M

Kepler

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

3.54 billion

Transistors

1.02 billion

294 mm²

Die Size

87 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

3.5

5.1

Shader Model

5.1

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