NVIDIA GeForce GT 445M vs NVIDIA GeForce 845M

VS

NVIDIA GeForce GT 445M

NVIDIA GeForce 845M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 845M 's Advantages

Released 4 years and 11 months late

Boost Clock1176MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (40.10GB/s vs 40.00GB/s)

240 additional rendering cores

Lower TDP (33W vs 35W)

Score

Benchmark

FP32 (float)

GeForce GT 445M

0.328 TFLOPS

GeForce 845M +175%

0.903 TFLOPS

GeForce GT 445M

VS

GeForce 845M

Graphics Card

Sep 2010

Release Date

Aug 2015

GeForce 400M

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1071 MHz

-

Boost Clock

1176 MHz

625 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

40.00GB/s

Bandwidth

40.10GB/s

Render Config

-

3

SM Count

-

144

Shading Units

384

24

TMUs

32

16

ROPs

16

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

3.420 GPixel/s

Pixel Rate

18.82 GPixel/s

13.68 GTexel/s

Texture Rate

37.63 GTexel/s

-

328.3 GFLOPS

FP32 (float)

903.2 GFLOPS

27.36 GFLOPS

FP64 (double)

28.22 GFLOPS

Board Design

35W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF106

GPU Name

GM108

N11E-GE-A1

GPU Variant

-

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

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