NVIDIA GeForce GT 720M vs NVIDIA GeForce 820A

VS

NVIDIA GeForce GT 720M

NVIDIA GeForce 820A

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 720M and 1024MB VRAM GeForce 820A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 720M 's Advantages

Boost Clock758MHz

More VRAM (2GB vs 1024GB)

96 additional rendering cores

NVIDIA GeForce 820A 's Advantages

Larger VRAM bandwidth (14.40GB/s vs 12.80GB/s)

Lower TDP (15W vs 33W)

Score

Benchmark

FP32 (float)

GeForce GT 720M

0.291 TFLOPS

GeForce 820A +2%

0.298 TFLOPS

GeForce GT 720M

VS

GeForce 820A

Graphics Card

Dec 2013

Release Date

Mar 2014

GeForce 700M

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 2.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

719 MHz

Base Clock

-

758 MHz

Boost Clock

-

800 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

12.80GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

192

Shading Units

96

16

TMUs

16

8

ROPs

8

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

3.032 GPixel/s

Pixel Rate

3.100 GPixel/s

12.13 GTexel/s

Texture Rate

12.40 GTexel/s

-

291.1 GFLOPS

FP32 (float)

297.6 GFLOPS

12.13 GFLOPS

FP64 (double)

24.80 GFLOPS

Board Design

33W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GF117

GT 720M

GPU Variant

N15V-GM

Kepler 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

0.585 billion

87 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

2.1

5.1

Shader Model

5.1

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