NVIDIA GeForce GT 445M vs NVIDIA GeForce GTX 480M

VS

NVIDIA GeForce GT 445M

NVIDIA GeForce GTX 480M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 2GB VRAM GeForce GTX 480M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 445M 's Advantages

Lower TDP (35W vs 100W)

NVIDIA GeForce GTX 480M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (76.80GB/s vs 40.00GB/s)

208 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 445M

0.328 TFLOPS

GeForce GTX 480M +82%

0.598 TFLOPS

GeForce GT 445M

VS

GeForce GTX 480M

Graphics Card

Sep 2010

Release Date

May 2010

GeForce 400M

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

625 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

40.00GB/s

Bandwidth

76.80GB/s

Render Config

-

3

SM Count

11

144

Shading Units

352

24

TMUs

44

16

ROPs

32

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

3.420 GPixel/s

Pixel Rate

9.350 GPixel/s

13.68 GTexel/s

Texture Rate

18.70 GTexel/s

-

328.3 GFLOPS

FP32 (float)

598.4 GFLOPS

27.36 GFLOPS

FP64 (double)

74.80 GFLOPS

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF106

GPU Name

GF100

N11E-GE-A1

GPU Variant

N11E-GTX-A3

Fermi

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

3.1 billion

238 mm²

Die Size

529 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.0

5.1

Shader Model

5.1

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