NVIDIA GeForce GT 445M vs NVIDIA GeForce 840M

VS

NVIDIA GeForce GT 445M

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 445M 's Advantages

Larger VRAM bandwidth (40.00GB/s vs 16.02GB/s)

NVIDIA GeForce 840M 's Advantages

Released 3 years and 6 months late

Boost Clock1124MHz

More VRAM (2GB vs 1024GB)

240 additional rendering cores

Lower TDP (33W vs 35W)

Score

Benchmark

FP32 (float)

GeForce GT 445M

0.328 TFLOPS

GeForce 840M +163%

0.863 TFLOPS

GeForce GT 445M

VS

GeForce 840M

Graphics Card

Sep 2010

Release Date

Mar 2014

GeForce 400M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

625 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

40.00GB/s

Bandwidth

16.02GB/s

Render Config

-

3

SM Count

-

144

Shading Units

384

24

TMUs

16

ROPs

8

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

3.420 GPixel/s

Pixel Rate

8.992 GPixel/s

13.68 GTexel/s

Texture Rate

17.98 GTexel/s

-

328.3 GFLOPS

FP32 (float)

863.2 GFLOPS

27.36 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

35W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF106

GPU Name

GM108

N11E-GE-A1

GPU Variant

N15S-GT

Fermi

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

Unknown

238 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

Related GPU Comparisons

1

NVIDIA GeForce GT 445M vs AMD Radeon RX 5600M

2

NVIDIA GeForce GT 445M vs AMD Radeon HD 8530M

3

NVIDIA GeForce GT 445M vs AMD Radeon R5 M255

4

NVIDIA GeForce GT 445M vs AMD Radeon R5 A230

5

NVIDIA GeForce GT 445M vs AMD Radeon HD 7670M

6

NVIDIA GeForce GT 445M vs AMD Radeon HD 6470M

7

NVIDIA GeForce GT 445M vs AMD FirePro M5800

8

NVIDIA GeForce GT 445M vs AMD FirePro M4100

9

NVIDIA GeForce GT 445M vs AMD Radeon R9 M395X

10

NVIDIA GeForce GT 445M vs AMD Radeon HD 6370M

Related News

1

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

2

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

3

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

4

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

5

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

6

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

7

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

8

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!

9

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game

10

World's First! Intel Arc B580 Graphics Card Arrives Early