NVIDIA GeForce GTX 850M vs NVIDIA GeForce GT 740A

VS

NVIDIA GeForce GTX 850M

NVIDIA GeForce GT 740A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M 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 850M 's Advantages

Released 7 months late

Larger VRAM bandwidth (32.03GB/s vs 14.40GB/s)

256 additional rendering cores

NVIDIA GeForce GT 740A 's Advantages

Lower TDP (33W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GTX 850M +53%

1.155 TFLOPS

GeForce GT 740A

0.753 TFLOPS

GeForce GTX 850M

VS

GeForce GT 740A

Graphics Card

Mar 2014

Release Date

Aug 2013

GeForce 800M

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

1001 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

32.03GB/s

Bandwidth

14.40GB/s

Render Config

-

640

Shading Units

384

40

TMUs

32

16

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per SMX)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

14.43 GPixel/s

Pixel Rate

7.840 GPixel/s

36.08 GTexel/s

Texture Rate

31.36 GTexel/s

-

1155 GFLOPS

FP32 (float)

752.6 GFLOPS

36.08 GFLOPS

FP64 (double)

31.36 GFLOPS

Board Design

45W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM107

GPU Name

GK208

N15P-GT-A1

GPU Variant

GT 740M

Maxwell

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

1.02 billion

148 mm²

Die Size

87 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

5.0

CUDA

3.5

5.1

Shader Model

5.1

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