NVIDIA GeForce GTX 580M vs ATI Mobility Radeon HD 3870 X2

VS

NVIDIA GeForce GTX 580M

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 580M and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 580M 's Advantages

Released 2 years and 9 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (96.00GB/s vs 54.40GB/s)

64 additional rendering cores

Lower TDP (100W vs 110W)

Score

Benchmark

FP32 (float)

GeForce GTX 580M +125%

0.952 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

GeForce GTX 580M

VS

Mobility Radeon HD 3870 X2

Graphics Card

Jun 2011

Release Date

Sep 2008

GeForce 500M

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

850 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

96.00GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

8

SM Count

-

384

Shading Units

320

64

TMUs

16

32

ROPs

16

-

64 KB (per SM)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

9.920 GPixel/s

Pixel Rate

10.56 GPixel/s

39.68 GTexel/s

Texture Rate

10.56 GTexel/s

-

952.3 GFLOPS

FP32 (float)

422.4 GFLOPS

79.36 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

100W

TDP

110W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

GF114

GPU Name

M88

N12E-GTX2-A1

GPU Variant

-

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.666 billion

332 mm²

Die Size

192 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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