NVIDIA GeForce GT 445M vs NVIDIA GeForce GTX 850M

VS

NVIDIA GeForce GT 445M NVIDIA GeForce GTX 850M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 2GB VRAM GeForce GTX 850M 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 32.03GB/s)

Lower TDP (35W vs 45W)

NVIDIA GeForce GTX 850M 's Advantages

Released 3 years and 6 months late

More VRAM (2GB vs 1GB)

496 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 445M

0.328 TFLOPS

GeForce GTX 850M +252%

1.155 TFLOPS

GeForce GT 445M

VS

GeForce GTX 850M

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 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

625 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

40.00GB/s

Bandwidth

32.03GB/s

Render Config

3

SM Count

-

Compute Units

-

144

Shading Units

640

24

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

Theoretical Performance

3.420 GPixel/s

Pixel Rate

14.43 GPixel/s

13.68 GTexel/s

Texture Rate

36.08 GTexel/s

-

FP16 (half)

-

328.3 GFLOPS

FP32 (float)

1155 GFLOPS

27.36 GFLOPS

FP64 (double)

36.08 GFLOPS

Graphics Processor

GF106

GPU Name

GM107

N11E-GE-A1

GPU Variant

N15P-GT-A1

Fermi

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

1.87 billion

238 mm²

Die Size

148 mm²

Board Design

35W

TDP

45W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

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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