GeForce GTX 980 and GeForce GTX 490 - video card comparison

GeForce GTX 980

GeForce GTX 490

Architecture

Maxwell (2014−2018)

Fermi (2010−2014)

GPU code name

GM204

GF100

Market segment

Desktop

Desktop

Release date

September 2014

-

Bus support

PCI Express 3.0

-

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Recommended system power (PSU)

500 Watt

-

Supplementary power connectors

2x 6-pins

2x 8-pin

SLI options

+

-

Boost clock speed

1216 MHz

-

Core clock speed

1064 MHz

608 MHz

CUDA cores

2048

-

Floating-point performance

4,981 gflops

-

Manufacturing process technology

28 nm

40 nm

Number of transistors

5,200 million

3,100 million

Pipelines / CUDA cores

2048

480

Power consumption (TDP)

165 Watt

365 Watt

Texture fill rate

144 billion/sec

36.48

Memory type

GDDR5

GDDR5

Maximum RAM amount

4 GB

1536 MB

Memory bus width

256 Bit

384 Bit

Memory clock speed

7.0 GB/s

3.4 GB/s

Memory bandwidth

224 GB/s

164.0 GB/s

Shared memory

-

-

Display Connectors

Dual Link DVI-I, HDMI 2.0, 3x DisplayPort 1.2

3x DVI, 1x mini-DisplayPort

Multi monitor support

4 displays

-

VGA аnalog display support

+

-

DisplayPort Multimode (DP++) support

+

-

HDMI

+

-

HDCP

+

-

Maximum VGA resolution

2048x1536

-

G-SYNC support

+

-

Audio input for HDMI

Internal

-

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

1.1.126

N/A

BatteryBoost

+

-

GameStream

+

-

GameWorks

+

-

GeForce ShadowPlay

+

-

GPU Boost

2.0

-

H.264, VC1, MPEG2 1080p video decoder

+

-

Optimus

+

-