Radeon R9 390 X2 and GeForce3 - video card comparison

Radeon R9 390 X2

GeForce3

Architecture

GCN 2.0 (2013−2017)

Kelvin (2001−2003)

GPU code name

Grenada

NV20 A5

Market segment

Desktop

Desktop

Release date

September 2015

February 2001

Interface

PCIe 3.0 x16

AGP 4x

Supplementary power connectors

4x 8-pin

None

Core clock speed

1000 MHz

200 MHz

Floating-point performance

2x 5,120 gflops

-

Manufacturing process technology

28 nm

150 nm

Number of transistors

6,200 million

57 million

Pipelines / CUDA cores

2560

-

Power consumption (TDP)

580 Watt

-

Texture fill rate

160.0

1.600

Memory type

GDDR5

SDR

Maximum RAM amount

8 GB

64 MB

Memory bus width

512 Bit

128 Bit

Memory clock speed

5400 MHz

230 MHz

Memory bandwidth

345.6 GB/s

3.68 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

1x VGA, 1x DB13W3

HDMI

+

-

DirectX

12 (12_0)

8.0

OpenCL

2.0

N/A

OpenGL

4.6

1.3

Shader Model

6.3

-

Vulkan

1.2.131

N/A