NVIDIA GeForce GTX 670MX vs NVIDIA GeForce GT 740A

VS

NVIDIA GeForce GTX 670MX NVIDIA GeForce GT 740A

We compared two Mobile platform GPUs: 3GB VRAM GeForce GTX 670MX and 2GB VRAM GeForce GT 740A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 670MX 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (67.20GB/s vs 14.40GB/s)

576 additional rendering cores

NVIDIA GeForce GT 740A 's Advantages

Released 10 months late

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 670MX +53%

1.154 TFLOPS

GeForce GT 740A

0.753 TFLOPS

GeForce GTX 670MX

VS

GeForce GT 740A

Graphics Card

Oct 2012

Release Date

Aug 2013

GeForce 600M

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

-

Boost Clock

-

700 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

64bit

67.20GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

Compute Units

-

960

Shading Units

384

80

TMUs

32

24

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

384 KB

L2 Cache

512 KB

Theoretical Performance

12.02 GPixel/s

Pixel Rate

7.840 GPixel/s

48.08 GTexel/s

Texture Rate

31.36 GTexel/s

-

FP16 (half)

-

1154 GFLOPS

FP32 (float)

752.6 GFLOPS

48.08 GFLOPS

FP64 (double)

31.36 GFLOPS

Graphics Processor

GK104

GPU Name

GK208

N13E-GR-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

Board Design

75W

TDP

33W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

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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