GeForce GTX 1080 and GeForce GTX 490 - video card comparison

GeForce GTX 1080

GeForce GTX 490

Architecture

Pascal (2016−2021)

Fermi (2010−2014)

GPU code name

Pascal GP104

GF100

Market segment

Desktop

Desktop

Release date

May 2016

-

Bus support

PCIe 3.0

-

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Recommended system power (PSU)

500 Watt

-

Supplementary power connectors

8-pin

2x 8-pin

SLI options

+

-

Boost clock speed

1733 MHz

-

Core clock speed

1607 MHz

608 MHz

CUDA cores

2560

-

Floating-point performance

8,873 gflops

-

Manufacturing process technology

16 nm

40 nm

Number of transistors

7,200 million

3,100 million

Pipelines / CUDA cores

2560

480

Power consumption (TDP)

180 Watt

365 Watt

Maximum GPU temperature

94 °C

-

Texture fill rate

277.3

36.48

Memory type

GDDR5X

GDDR5

Maximum RAM amount

8 GB

1536 MB

Memory bus width

256 Bit

384 Bit

Memory clock speed

10 GB/s

3.4 GB/s

Memory bandwidth

320 GB/s

164.0 GB/s

Shared memory

-

-

Display Connectors

DP 1.42, HDMI 2.0b, DL-DVI

3x DVI, 1x mini-DisplayPort

Multi monitor support

+

-

HDMI

+

-

G-SYNC support

+

-

DirectX

12 (12_1)

12 (11_0)

CUDA

+

2.0

OpenCL

1.2

1.1

OpenGL

4.5

4.6

Shader Model

6.4

5.1

Vulkan

1.2.131

N/A

Ansel

+

-

GPU Boost

3.0

-

VR Ready

+

-