NVIDIA GeForce GT 445M vs ATI Mobility Radeon HD 5870

VS

NVIDIA GeForce GT 445M

ATI Mobility Radeon HD 5870

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 445M and 1024MB VRAM Mobility Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 445M 's Advantages

Released 8 months late

Lower TDP (35W vs 50W)

ATI Mobility Radeon HD 5870 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 40.00GB/s)

656 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 445M

0.328 TFLOPS

Mobility Radeon HD 5870 +241%

1.12 TFLOPS

GeForce GT 445M

VS

Mobility Radeon HD 5870

Graphics Card

Sep 2010

Release Date

Jan 2010

GeForce 400M

Generation

Manhattan

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

625 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

40.00GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

10

3

SM Count

-

144

Shading Units

800

24

TMUs

40

16

ROPs

16

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

3.420 GPixel/s

Pixel Rate

11.20 GPixel/s

13.68 GTexel/s

Texture Rate

28.00 GTexel/s

-

328.3 GFLOPS

FP32 (float)

1120 GFLOPS

27.36 GFLOPS

FP64 (double)

-

Board Design

35W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF106

GPU Name

Broadway

N11E-GE-A1

GPU Variant

Broadway XT (216-0769008)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

1.04 billion

238 mm²

Die Size

166 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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