NVIDIA GeForce 720M vs NVIDIA GeForce 840M

VS

NVIDIA GeForce 720M

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 720M and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Released 11 months late

Boost Clock1124MHz

Larger VRAM bandwidth (16.02GB/s vs 12.80GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 720M

0.24 TFLOPS

GeForce 840M +259%

0.863 TFLOPS

GeForce 720M

VS

GeForce 840M

Graphics Card

Apr 2013

Release Date

Mar 2014

GeForce 700M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

800 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

12.80GB/s

Bandwidth

16.02GB/s

Render Config

-

2

SM Count

-

96

Shading Units

384

16

TMUs

16

8

ROPs

8

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

128 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

8.992 GPixel/s

10.00 GTexel/s

Texture Rate

17.98 GTexel/s

-

240.0 GFLOPS

FP32 (float)

863.2 GFLOPS

20.00 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

33W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF117

GPU Name

GM108

N14M-GE

GPU Variant

N15S-GT

Fermi 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

Unknown

116 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

5.0

5.1

Shader Model

5.1

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