NVIDIA GeForce GT 740A vs NVIDIA GeForce GTX 780M Mac Edition

VS

NVIDIA GeForce GT 740A

NVIDIA GeForce GTX 780M Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 4GB VRAM GeForce GTX 780M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 740A 's Advantages

Lower TDP (33W vs 122W)

NVIDIA GeForce GTX 780M Mac Edition 's Advantages

Boost Clock797MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 14.40GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 740A

0.753 TFLOPS

GeForce GTX 780M Mac Edition +225%

2.448 TFLOPS

GeForce GT 740A

VS

GeForce GTX 780M Mac Edition

Graphics Card

Aug 2013

Release Date

Nov 2013

GeForce 700A

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

771 MHz

-

Boost Clock

797 MHz

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

160.0GB/s

Render Config

-

384

Shading Units

1536

32

TMUs

128

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

25.50 GPixel/s

31.36 GTexel/s

Texture Rate

102.0 GTexel/s

-

752.6 GFLOPS

FP32 (float)

2.448 TFLOPS

31.36 GFLOPS

FP64 (double)

102.0 GFLOPS

Board Design

33W

TDP

122W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GK104

GT 740M

GPU Variant

N14E-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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