GeForce GTX 1080 Ti and Radeon HD 6850M - video card comparison

GeForce GTX 1080 Ti

Radeon HD 6850M

Architecture

Pascal (2016−2021)

Terascale 2 (2009−2015)

GPU code name

GP102

Granville Pro/LP

Market segment

Desktop

Laptop

Release date

February 2017

January 2011

Interface

PCIe 3.0 x16

PCIe 2.0 x16

Recommended system power (PSU)

600 Watt

-

Supplementary power connectors

1x 6-pin + 1x 8-pin

-

SLI options

+

-

Boost clock speed

1600 MHz

-

Core clock speed

1481 MHz

575 / 675 MHz

Floating-point performance

11,340 gflops

1,080.0 gflops

Manufacturing process technology

16 nm

40 nm

Number of transistors

11,800 million

1,040 million

Pipelines / CUDA cores

3584

800

Power consumption (TDP)

250 Watt

50 Watt

Maximum GPU temperature

91 °C

-

Texture fill rate

354.4

27.00

Memory type

GDDR5X

DDR3, GDDR5

Maximum RAM amount

11 GB

1 GB

Memory bus width

352 Bit

128 Bit

Memory clock speed

11000 MHz

800 MHz

Memory bandwidth

484.4 GB/s

25.6 GB/s

Shared memory

-

-

Display Connectors

1x HDMI, 3x DisplayPort

No outputs

Multi monitor support

+

-

HDMI

+

-

G-SYNC support

+

-

DirectX

12 (12_1)

11.2 (11_0)

CUDA

+

-

OpenCL

1.2

1.2

OpenGL

4.5

4.4

Shader Model

6.4

5.0

Vulkan

+

N/A

Ansel

+

-

GPU Boost

3.0

-