NVIDIA GeForce GTX 490 vs NVIDIA GeForce GT 440 Mac Edition

VS

NVIDIA GeForce GTX 490 NVIDIA GeForce GT 440 Mac Edition

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GTX 490 and 1024MB VRAM GeForce GT 440 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 490 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (164.0GB/s vs 21.34GB/s)

384 additional rendering cores

NVIDIA GeForce GT 440 Mac Edition 's Advantages

Lower TDP (65W vs 365W)

Score

Benchmark

FP32 (float)

GeForce GTX 490 +274%

1.166 TFLOPS

GeForce GT 440 Mac Edition

0.311 TFLOPS

GeForce GTX 490

VS

GeForce GT 440 Mac Edition

Graphics Card

Unknown

Release Date

Feb 2011

GeForce 400

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

854 MHz

Memory Clock

667 MHz

Memory

1536MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

164.0GB/s

Bandwidth

21.34GB/s

Render Config

15

SM Count

2

-

Compute Units

-

480

Shading Units

96

60

TMUs

16

48

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

256 KB

Theoretical Performance

18.24 GPixel/s

Pixel Rate

3.240 GPixel/s

36.48 GTexel/s

Texture Rate

12.96 GTexel/s

-

FP16 (half)

-

1166 GFLOPS

FP32 (float)

311.0 GFLOPS

145.8 GFLOPS

FP64 (double)

25.92 GFLOPS

Graphics Processor

GF100

GPU Name

GF108

GF100-375-A3

GPU Variant

GF108-400-A1

Fermi

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3.1 billion

Transistors

0.585 billion

529 mm²

Die Size

116 mm²

Board Design

365W

TDP

65W

750 W

Suggested PSU

250 W

3x DVI 1x mini-DisplayPort

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.0

CUDA

2.1

5.1

Shader Model

5.1

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