NVIDIA GeForce 720A vs NVIDIA GeForce 840M

VS

NVIDIA GeForce 720A

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 720A 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

Boost Clock has increased by 20% (1124MHz vs 938MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (16.02GB/s vs 16.00GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 720A

0.18 TFLOPS

GeForce 840M +379%

0.863 TFLOPS

GeForce 720A

VS

GeForce 840M

Graphics Card

Jul 2014

Release Date

Mar 2014

GeForce 700A

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

775 MHz

Base Clock

1029 MHz

938 MHz

Boost Clock

1124 MHz

1000 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.00GB/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

3.752 GPixel/s

Pixel Rate

8.992 GPixel/s

15.01 GTexel/s

Texture Rate

17.98 GTexel/s

-

180.1 GFLOPS

FP32 (float)

863.2 GFLOPS

15.01 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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