GeForce GTX 980 SLI Mobile and Radeon HD 3850 - video card comparison

GeForce GTX 980 SLI Mobile

Radeon HD 3850

Architecture

Maxwell (2014−2018)

TeraScale (2005−2013)

GPU code name

N16E-GXX SLI

RV670

Market segment

Laptop

Desktop

Release date

September 2015

November 2007

Interface

PCIe 2.0 x16

Supplementary power connectors

1x 6-pin

SLI options

Boost clock speed

1228 MHz

Core clock speed

1126 MHz

668 MHz

Floating-point performance

427.5 gflops

Manufacturing process technology

28 nm

55 nm

Number of transistors

10400 Million

666 million

Pipelines / CUDA cores

4096

320

Power consumption (TDP)

330 Watt

75 Watt

Texture fill rate

10.69

Memory type

GDDR5

GDDR3

Maximum RAM amount

2x 8 GB

1 GB

Memory bus width

256 Bit

Memory clock speed

3500 MHz

1660 MHz

Memory bandwidth

53.12 GB/s

Shared memory

Display Connectors

2x DVI, 1x S-Video

G-SYNC support

DirectX

12_1

10.1 (10_1)

CUDA

OpenCL

N/A

OpenGL

3.3

Shader Model

4.1

Vulkan

N/A