NVIDIA GeForce GT 445M vs ATI Mobility Radeon HD 3670

VS

NVIDIA GeForce GT 445M

ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 256MB VRAM Mobility Radeon HD 3670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 445M 's Advantages

Released 2 years and 8 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (40.00GB/s vs 25.60GB/s)

24 additional rendering cores

ATI Mobility Radeon HD 3670 's Advantages

Lower TDP (30W vs 35W)

Score

Benchmark

FP32 (float)

GeForce GT 445M +101%

0.328 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

GeForce GT 445M

VS

Mobility Radeon HD 3670

Graphics Card

Sep 2010

Release Date

Jan 2008

GeForce 400M

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

625 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

40.00GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

3

SM Count

-

144

Shading Units

120

24

TMUs

8

16

ROPs

4

-

64 KB (per SM)

L1 Cache

-

256 KB

L2 Cache

128 KB

-

Theoretical Performance

3.420 GPixel/s

Pixel Rate

2.720 GPixel/s

13.68 GTexel/s

Texture Rate

5.440 GTexel/s

-

328.3 GFLOPS

FP32 (float)

163.2 GFLOPS

27.36 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF106

GPU Name

M86

N11E-GE-A1

GPU Variant

-

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.378 billion

238 mm²

Die Size

135 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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