NVIDIA GeForce GT 740A vs NVIDIA GeForce 820M

VS

NVIDIA GeForce GT 740A

NVIDIA GeForce 820M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A 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 740A 's Advantages

Lower TDP (33W vs 45W)

NVIDIA GeForce 820M 's Advantages

Released 1 years and 7 months late

Larger VRAM bandwidth (28.83GB/s vs 14.40GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 740A +21%

0.753 TFLOPS

GeForce 820M

0.622 TFLOPS

GeForce GT 740A

VS

GeForce 820M

Graphics Card

Aug 2013

Release Date

Mar 2015

GeForce 700A

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

901 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

28.83GB/s

Render Config

-

384

Shading Units

384

32

TMUs

32

8

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

7.840 GPixel/s

Pixel Rate

6.480 GPixel/s

31.36 GTexel/s

Texture Rate

25.92 GTexel/s

-

752.6 GFLOPS

FP32 (float)

622.1 GFLOPS

31.36 GFLOPS

FP64 (double)

25.92 GFLOPS

Board Design

33W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK208

GPU Name

GK107

GT 740M

GPU Variant

-

Kepler 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.02 billion

Transistors

1.27 billion

87 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.0

5.1

Shader Model

5.1

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