Radeon R9 390 X2 and GeForce G102M - video card comparison

Radeon R9 390 X2

GeForce G102M

Architecture

GCN 2.0 (2013−2017)

Tesla (2006−2010)

GPU code name

Grenada

C79

Market segment

Desktop

Desktop

Release date

September 2015

January 2009

Bus support

-

PCI-E 1.0

Interface

PCIe 3.0 x16

PCIe 1.0 x16

Supplementary power connectors

4x 8-pin

-

Core clock speed

1000 MHz

450 MHz

CUDA cores

-

16

Floating-point performance

2x 5,120 gflops

-

Gigaflops

-

48

Manufacturing process technology

28 nm

65 nm

Number of transistors

6,200 million

314 million

Pipelines / CUDA cores

2560

16

Power consumption (TDP)

580 Watt

14 Watt

Texture fill rate

160.0

3.600

Memory type

GDDR5

GDDR2

Maximum RAM amount

8 GB

Up to 512 MB

Memory bus width

512 Bit

64 Bit

Memory clock speed

5400 MHz

400 MHz

Memory bandwidth

345.6 GB/s

6.4 GB/s

Display Connectors

2x DVI, 1x HDMI, 1x DisplayPort

VGAHDMIDisplayPortSingle Link DVILVDS

Multi monitor support

-

+

HDMI

+

+

Maximum VGA resolution

-

2048x1536

DirectX

12 (12_0)

11.1 (10_0)

CUDA

-

+

OpenCL

2.0

N/A

OpenGL

4.6

2.1

Shader Model

6.3

4.0

Vulkan

1.2.131

N/A

Power management

-

8.0