NVIDIA GeForce GT 445M vs ATI Mobility Radeon HD 4670

VS

NVIDIA GeForce GT 445M

ATI Mobility Radeon HD 4670

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 512MB VRAM Mobility Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 445M 's Advantages

Released 1 years and 8 months late

More VRAM (1024GB vs 512GB)

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

ATI Mobility Radeon HD 4670 's Advantages

176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 445M

0.328 TFLOPS

Mobility Radeon HD 4670 +31%

0.432 TFLOPS

GeForce GT 445M

VS

Mobility Radeon HD 4670

Graphics Card

Sep 2010

Release Date

Jan 2009

GeForce 400M

Generation

M9x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

625 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

40.00GB/s

Bandwidth

25.60GB/s

Render Config

-

Compute Units

4

3

SM Count

-

144

Shading Units

320

24

TMUs

32

16

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

3.420 GPixel/s

Pixel Rate

5.400 GPixel/s

13.68 GTexel/s

Texture Rate

21.60 GTexel/s

-

328.3 GFLOPS

FP32 (float)

432.0 GFLOPS

27.36 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF106

GPU Name

M96

N11E-GE-A1

GPU Variant

M96 XT (216-0729051)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.514 billion

238 mm²

Die Size

146 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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