NVIDIA GeForce GT 440 OEM vs ATI Radeon HD 3870 Mac Edition

VS

NVIDIA GeForce GT 440 OEM

ATI Radeon HD 3870 Mac Edition

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 440 OEM and 512MB VRAM Radeon HD 3870 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 440 OEM 's Advantages

Released 2 years and 4 months late

More VRAM (1536GB vs 512GB)

Lower TDP (65W vs 106W)

ATI Radeon HD 3870 Mac Edition 's Advantages

Larger VRAM bandwidth (72.06GB/s vs 43.20GB/s)

176 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 440 OEM

0.467 TFLOPS

Radeon HD 3870 Mac Edition +6%

0.497 TFLOPS

GeForce GT 440 OEM

VS

Radeon HD 3870 Mac Edition

Graphics Card

Oct 2010

Release Date

Jun 2008

GeForce 400

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1126 MHz

Memory

1536MB

Memory Size

512MB

DDR3

Memory Type

GDDR4

192bit

Memory Bus

256bit

43.20GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

3

SM Count

-

144

Shading Units

320

24

TMUs

16

24

ROPs

16

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

256 KB

-

Theoretical Performance

4.860 GPixel/s

Pixel Rate

12.43 GPixel/s

19.44 GTexel/s

Texture Rate

12.43 GTexel/s

-

466.6 GFLOPS

FP32 (float)

497.3 GFLOPS

38.88 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

65W

TDP

106W

250 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

GF106

GPU Name

RV670

-

GPU Variant

RV670 XT (215-0708005)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.666 billion

238 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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