NVIDIA GeForce 820M vs NVIDIA GeForce GT 740A

VS

NVIDIA GeForce 820M

NVIDIA GeForce GT 740A

We compared two Mobile platform GPUs: 2GB VRAM GeForce 820M and 2GB VRAM GeForce GT 740A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 820M 's Advantages

Released 1 years and 7 months late

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

NVIDIA GeForce GT 740A 's Advantages

Lower TDP (33W vs 45W)

Score

Benchmark

FP32 (float)

GeForce 820M

0.622 TFLOPS

GeForce GT 740A +21%

0.753 TFLOPS

GeForce 820M

VS

GeForce GT 740A

Graphics Card

Mar 2015

Release Date

Aug 2013

GeForce 800M

Generation

GeForce 700A

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

901 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.83GB/s

Bandwidth

14.40GB/s

Render Config

-

384

Shading Units

384

32

TMUs

32

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.480 GPixel/s

Pixel Rate

7.840 GPixel/s

25.92 GTexel/s

Texture Rate

31.36 GTexel/s

-

622.1 GFLOPS

FP32 (float)

752.6 GFLOPS

25.92 GFLOPS

FP64 (double)

31.36 GFLOPS

Board Design

45W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

GK208

-

GPU Variant

GT 740M

Kepler

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

1.02 billion

118 mm²

Die Size

87 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

3.0

CUDA

3.5

5.1

Shader Model

5.1

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