NVIDIA GeForce GT 740M vs NVIDIA GeForce GTX 680M

VS

NVIDIA GeForce GT 740M

NVIDIA GeForce GTX 680M

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

Main Differences

NVIDIA GeForce GT 740M 's Advantages

Released 1 years late

Lower TDP (33W vs 100W)

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

Score

Benchmark

FP32 (float)

GeForce GT 740M

0.753 TFLOPS

GeForce GTX 680M +170%

2.038 TFLOPS

Blender

GeForce GT 740M

26

GeForce GTX 680M +626%

189

GeForce GT 740M

VS

GeForce GTX 680M

Graphics Card

Jun 2013

Release Date

Jun 2012

GeForce 700M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

719 MHz

-

Boost Clock

758 MHz

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

115.2GB/s

Render Config

-

384

Shading Units

1344

32

TMUs

112

8

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

21.22 GPixel/s

31.36 GTexel/s

Texture Rate

84.90 GTexel/s

-

752.6 GFLOPS

FP32 (float)

2.038 TFLOPS

31.36 GFLOPS

FP64 (double)

84.90 GFLOPS

Board Design

33W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK208

GPU Name

GK104

GT 740M

GPU Variant

N13E-GTX-A2

Kepler 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

3.54 billion

87 mm²

Die Size

294 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

3.5

CUDA

3.0

5.1

Shader Model

5.1

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