Radeon HD 6850M and GeForce RTX 3080 - video card comparison

Radeon HD 6850M

GeForce RTX 3080

Architecture

Terascale 2 (2009−2015)

Ampere (2020−2022)

GPU code name

Granville Pro/LP

Ampere GA102

Market segment

Laptop

Desktop

Release date

January 2011

September 2020

Interface

PCIe 2.0 x16

PCIe 4.0 x16

Supplementary power connectors

-

1x 12-pin

Boost clock speed

-

1710 MHz

Core clock speed

575 / 675 MHz

1450 MHz

Floating-point performance

1,080.0 gflops

-

Manufacturing process technology

40 nm

8 nm

Number of transistors

1,040 million

28,300 million

Pipelines / CUDA cores

800

8704

Power consumption (TDP)

50 Watt

320 Watt

Texture fill rate

27.00

465.1

Memory type

DDR3, GDDR5

GDDR6X

Maximum RAM amount

1 GB

10 GB

Memory bus width

128 Bit

320 Bit

Memory clock speed

800 MHz

19000 MHz

Memory bandwidth

25.6 GB/s

760.3 GB/s

Shared memory

-

-

Display Connectors

No outputs

1x HDMI, 3x DisplayPort

HDMI

-

+

DirectX

11.2 (11_0)

12 Ultimate (12_2)

CUDA

-

8.5

OpenCL

1.2

2.0

OpenGL

4.4

4.6

Shader Model

5.0

6.5

Vulkan

N/A

1.2