NVIDIA GeForce GT 720A vs NVIDIA GeForce 820M

VS

NVIDIA GeForce GT 720A

NVIDIA GeForce 820M

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

Main Differences

NVIDIA GeForce GT 720A 's Advantages

Lower TDP (33W vs 45W)

NVIDIA GeForce 820M 's Advantages

Released 8 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.83GB/s vs 16.02GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 720A

0.298 TFLOPS

GeForce 820M +108%

0.622 TFLOPS

GeForce GT 720A

VS

GeForce 820M

Graphics Card

Jul 2014

Release Date

Mar 2015

GeForce 700A

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1001 MHz

Memory Clock

901 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

28.83GB/s

Render Config

-

2

SM Count

-

96

Shading Units

384

16

TMUs

32

8

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

6.480 GPixel/s

12.40 GTexel/s

Texture Rate

25.92 GTexel/s

-

297.6 GFLOPS

FP32 (float)

622.1 GFLOPS

24.80 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

33W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF117

GPU Name

GK107

N14M-GE

GPU Variant

-

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

1.27 billion

116 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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